Debt Disclosure [Abstract]
2016
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2017
Long-term Debt, Maturities, Repayments of Principal in Year Two
2018
Long-term Debt, Maturities, Repayments of Principal in Year Three
2019
Long-term Debt, Maturities, Repayments of Principal in Year Four
2020
Long-term Debt, Maturities, Repayments of Principal in Year Five
Thereafter
Long-term Debt, Maturities, Repayments of Principal after Year Five
Total
Long-term Debt, Gross
Debt
Debt Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Loss Contingencies [Table]
Loss Contingencies [Table]
Category of Item Purchased [Axis]
Category of Item Purchased [Axis]
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Non-incremental capital expenditures [Member]
Capital Addition Purchase Commitments [Member]
Incremental Capital Expenditures [Member]
Incremental Capital Expenditures [Member]
Incremental Capital Expenditures [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Maximum [Member]
Maximum [Member]
Loss Contingencies by Nature of Contingency [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Collectibility of Tenant Reimbursements [Member]
Collectibility of Tenant Reimbursements [Member]
Collectibility of Tenant Reimbursements [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
$500 Million Unsecured 2015 Line of Credit [Member]
Unsecured 500 Million 2015 Line of Credit [Member]
Unsecured 500 Million 2015 Line of Credit [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Line of Credit [Member]
Line of Credit [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Unsecured Debt [Member]
Unsecured Debt [Member]
Major Property Class [Axis]
Major Property Class [Axis]
Major Property Class [Domain]
Major Property Class [Domain]
Land [Member]
Land [Member]
Building [Member]
Building [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Number of tenant and building improvement categories
Number of Tenant and Building Improvement Categories
Number of Tenant and Building Improvement Categories
Period for tenant improvements
Long Term Capital Expenditure Commitment Period
Period covered by the long-term capital expenditure commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Non-incremental capital expenditures for tenant improvements
Commitment to Provide Funding to Tenants for Capital Improvements
Commitment to Provide Funding to Tenants for Capital Improvements
Additional expense related to such tenant audits/disputes
Loss Contingency, Loss in Period
Letters of credit outstanding, amount
Letters of Credit Outstanding, Amount
Amount of line of credit
Line of Credit Facility, Maximum Borrowing Capacity
Operating Leases, Future Minimum Payments Due [Abstract]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2016
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2017
Operating Leases, Future Minimum Payments, Due in Two Years
2018
Operating Leases, Future Minimum Payments, Due in Three Years
2019
Operating Leases, Future Minimum Payments, Due in Four Years
2020
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total
Operating Leases, Future Minimum Payments Due
Ground rent expense
Operating Leases, Rent Expense
Net book value of real estate assets subject to operating ground leases
Property Subject to or Available for Operating Lease, Net
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Park Place on Turtle Creek [Member]
Park Place on Turtle Creek [Member]
Park Place on Turtle Creek [Member]
80 Central Street [Member]
Central Street 80 [Member]
Central Street 80 [Member]
SunTrust Center [Member]
SunTrust Center [Member]
SunTrust Center [Member]
Galleria 300 [Member]
Galleria 300 [Member]
Galleria 300 [Member]
Glenridge Highlands I [Member]
GLENRIDGE HIGHLANDS ONE [Member]
GLENRIDGE HIGHLANDS ONE [Member]
Two Pierce Land Parcel [Member]
Two Pierce Land Parcel [Member]
Two Pierce Land Parcel [Member]
Suwanee Gateway Land Tracts [Member]
Suwanee Gateway Land Parcel [Member]
Suwanee Gateway Land Parcel [Member]
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Real Estate Properties [Domain]
Real Estate [Domain]
Building [Member]
Office Building [Member]
Parking Garage [Member]
812930 Parking Lots and Garages [Member]
Name of Property [Axis]
Name of Property [Axis]
Name of Property [Domain]
Name of Property [Domain]
30 Story Tower [Member]
SunTrust Center 30 Story Tower [Member]
SunTrust Center 30 Story Tower [Member]
7 Story Building [Member]
Sun Trust Center 7 Story Office Building [Member]
Sun Trust Center 7 Story Office Building [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Percentage ownership of properties acquired
Business Acquisition, Percentage of Voting Interests Acquired
Proceeds from Unsecured Line of Credit
Rentable Square Feet (Unaudited)
Area of Real Estate Property
Percentage Leased as of Acquisition (Unaudited)
Percentage of Leased Real Estate Properties
Percentage of Leased Real Estate Properties
Acreage
Area of Land
Contractual Purchase Price (in millions)
Business Combination, Consideration Transferred
Number of stories
Business Acquisition, Number of Stories of Office Building
Business Acquisition, Number of Stories of Office Building
Number of spaces in parking garage
Business Acquisition, Number of Spaces of Parking Garage
Business Acquisition, Number of Spaces of Parking Garage
Guarantor and Non-Guarantor Financial Information [Abstract]
Guarantor and Non-Guarantor Financial Information [Abstract]
Condensed Financial Statements [Table]
Condensed Financial Statements [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Issuer [Member]
Subsidiary Issuer [Member]
Guarantor [Member]
Guarantor [Member]
The registrant that guarantees the debt issued by another entity it controls, either directly or indirectly. The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree.
Non-Guarantor Subsidiaries [Member]
Non-Guarantor Subsidiaries [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Eliminations [Member]
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by/(used in) Operating Activities
Net Cash Provided by (Used in) Operating Activities
Cash Flows from Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Acquisition of real estate assets, related intangibles and capitalized expenditures, net of accruals
Payments to Acquire and Develop Real Estate
Intercompany note receivable
Payments for (Proceeds from) Intercompany Notes Receivable, Investing Activities
Payments for (Proceeds from) Intercompany Notes Receivable, Investing Activities
Redemption of noncontrolling interest in unconsolidated variable interest entity
Payments for Repurchase of Redeemable Noncontrolling Interest
Net sale proceeds from wholly-owned properties and consolidated joint venture
Proceeds from Divestiture of Businesses, Net of Cash Divested
Net sale proceeds received from unconsolidated joint ventures
Proceeds from Sale of Equity Method Investments
Cash assumed upon consolidation of variable interest entity
Cash Acquired from Acquisition
Investments in unconsolidated joint ventures
Payments to Acquire Equity Method Investments
Deferred lease costs paid
Increase (Decrease) in Lease Acquisition Costs
Net cash provided by/(used in) investing activities
Net Cash Provided by (Used in) Investing Activities
Cash Flows from Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Debt issuance costs paid
Payments of Financing Costs
Proceeds from debt
Proceeds from Notes Payable
Repayments of debt
Repayments of Notes Payable
Discount due to loan modification
Payments of Debt Discount Due to Loan Modification
Costs paid to lender for modification of loan facility accounted for as discount on debt in the period of payment.
Intercompany note payable
Payments for (Proceeds from) Intercompany Notes Payable
Payments for (Proceeds from) Intercompany Notes Payable
Costs of issuance of common stock
Payments of Stock Issuance Costs
Repurchases of common stock as part of announced plan
Payments for Repurchase of Common Stock
Intercompany distributions
Payments for (Proceeds from) Intercompany Distributions
Payments for (Proceeds from) Intercompany Distributions
Dividends paid and discount on dividend reinvestments
Payments of Dividends Common Stock, Distributions To Noncontrolling Interest and Discount on Dividend Reinvestment
Sum of a) The cash outflow from the distribution of an entity's earnings in the form of dividends to common stockholders, and b) Distributions to noncontrolling interest, and c)Discount on dividend reinvestments.
Net cash provided by/(used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Net increase/(decrease) in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents, beginning of year
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents, end of year
Quarterly Financial Information Disclosure [Abstract]
Schedule of Quarterly Financial Information
Schedule of Quarterly Financial Information [Table Text Block]
Statement of Stockholders' Equity [Abstract]
Dividends to common stockholders per share
Common Stock, Dividends, Per Share, Cash Paid
Earnings Per Share [Abstract]
Weighted-average common shares—basic
Weighted Average Number of Shares Outstanding, Basic
Plus incremental weighted-average shares resulting from the assumed conversion of time-vested restricted stock awards
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Weighted-average shares outstanding - diluted
Weighted Average Number of Shares Outstanding, Diluted
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Leases [Abstract]
Operating Leases
Leases of Lessor Disclosure [Text Block]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
$170 Million Unsecured 2015 Term Loan [Member]
Unsecured 170 Million 2015 Term Loan [Member]
Unsecured 170 Million 2015 Term Loan [Member]
$160.0 Million Fixed Rate Loan [Member]
Fixed Rate 160 Million Loan [Member]
Fixed Rate 160 Million Loan [Member]
$300 Million Unsecured 2011 Term Loan Maturing in 2016 [Member]
$300 Million 2011 Unsecured Term Loan Maturing 2016 [Member]
$300 Million 2011 Unsecured Term Loan Maturing 2016 [Member]
$300 Million Unsecured 2013 Term Loan [Member]
Unsecured 300 million 2013 Term Loan Maturing 2019 [Member]
Unsecured 300 million 2013 Term Loan Maturing 2019 [Member]
$300 Million Unsecured 2011 Term Loan [Member]
$300 Million 2011 Unsecured Term Loan Maturing 2020 [Member]
$300 Million 2011 Unsecured Term Loan Maturing 2020 [Member]
Derivative Instrument Risk [Axis]
Derivative Instrument [Axis]
Derivative Contract Type [Domain]
Derivative Contract [Domain]
Interest Rate Contract [Member]
Interest Rate Contract [Member]
Interest Rate Swap 1 through 4 [Member]
Interest Rate Swap 1 through 4 [Member]
Interest Rate Swap 5 through 8 [Member]
Interest Rate Swap 5 through 8 [Member]
Interest Rate Swap 9 through 10 [Member]
Interest Rate Swap 9 through 10 [Member]
Forward Starting Interest Rate Swap [Member]
Forward Starting Interest Rate Swap [Member]
Forward Starting Interest Rate Swap [Member]
Forward Starting Interest Rate Swap 1 through 3 [Member]
Forward Starting Interest Rate Swap 1 through 3 [Member]
Credit Risk Contract [Member]
Credit Risk Contract [Member]
Secured Debt [Member]
Secured Debt [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Interest Expense [Member]
Interest Expense [Member]
Derivative [Line Items]
Derivative [Line Items]
Debt instrument, face amount
Debt Instrument, Face Amount
Total notional amount of forward starting interest rate agreements
Derivative, Notional Amount
Net loss from settlement of forward starting interest rate swaps
Deferred Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge including Gain (Loss) Recognized in Earnings on Hedge Ineffectiveness
Deferred Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge including Gain (Loss) Recognized in Earnings on Hedge Ineffectiveness
Net gain/ (loss) related to hedge ineffectiveness and terminations of cash flow hedges
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness
Term of loan
Debt Instrument, Term
Number of forward starting interest rate swaps settled
Number of Interest Rate Derivatives Settled
Number of Interest Rate Derivatives Settled
Settlement value of forward starting interest rate swaps
Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net
Maximum length of time of cash flow hedge
Maximum Length of Time Hedged in Cash Flow Hedge
Number of Swap Agreements
Number of Interest Rate Derivatives Held
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net [Abstract]
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net [Abstract]
Interest rate swaps
Interest Rate Cash Flow Hedge Asset at Fair Value
Gross derivative liabilities
Interest Rate Cash Flow Hedge Liability at Fair Value
Net derivative liability
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net
Amount of gain/(loss) recognized in OCI on derivatives
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)
Amount of previously recorded loss reclassified from accumulated OCI into interest expense
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net
Amount that will be reclassified from accumulated other comprehensive income over the next twelve months
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Assets needed for immediate settlement, aggregate fair value
Assets Needed for Immediate Settlement, Aggregate Fair Value
Income Tax Disclosure [Abstract]
Schedule of Tax Basis Income
Schedule of Tax Basis Income [Table Text Block]
Schedule of reconciliation between GAAP basis financial statement net income and Income Tax basis net income, prior to dividends paid deduction.
Schedule of Characterization Of Dividends To Common Stockholders
Schedule of Characterization Of Dividends To Common Stockholders [Table Text Block]
Schedule of characterization of dividends to common stockholders between ordinary income, capital gains, and return of capital.
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Income Statement [Abstract]
Revenues:
Revenues [Abstract]
Rental income
Operating Leases, Income Statement, Lease Revenue
Tenant reimbursements
Tenant Reimbursements
Property management fee revenue
Management Fees Revenue
Total revenues
Revenues
Expenses:
Operating Expenses [Abstract]
Property operating costs
Direct Costs of Leased and Rented Property or Equipment
Depreciation
Depreciation, Continuing Operations
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives, from continuing operations.
Amortization
Adjustment for Amortization, Continuing Operations
The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives, from continuing operations.
Impairment loss on real estate assets
Impairment of Long-Lived Assets to be Disposed of
General and administrative
General and Administrative Expense
Operating Expenses
Operating Expenses
Real estate operating income
Operating Income (Loss)
Other income (expense):
Nonoperating Income (Expense) [Abstract]
Interest expense
Interest Expense
Other income/(expense)
Other Nonoperating Income (Expense)
Net recoveries/(loss) from casualty events and litigation settlements
Net Loss (Gain) from Casualty Event and Litigation Settlement Expense
The net charge/(recovery) against earnings in the period related to a fire, explosion, or natural disaster (hurricane, earthquake) and amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees
Equity in income/(loss) of unconsolidated joint ventures
Income (Loss) from Equity Method Investments
Loss on consolidation
Gain (Loss) On Consolidation
The initial gain/loss upon acquisition of an entity which was previously unconsolidated
Nonoperating Income (Expense)
Nonoperating Income (Expense)
Income from continuing operations
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest
Discontinued operations:
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent [Abstract]
Operating income
Disposal Group, Including Discontinued Operation, Operating Income (Loss)
Impairment loss on real estate assets
Disposal Group, Including Discontinued Operation, Loss on Write Down
Disposal Group Including Discontinued Operation Loss on Write Down
Gain/(loss) on sale of real estate assets
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax
Income from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Gain on sale of real estate assets
Gain (Loss) on Sale of Properties, Net of Applicable Income Taxes
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Net income attributable to noncontrolling interest
Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest
Net income attributable to Piedmont
Net Income (Loss) Attributable to Parent
Per share information— basic and diluted:
Earnings Per Share, Basic and Diluted [Abstract]
Income from continuing operations and gain on sale of real estate assets (in dollars per share)
Income (Loss) from Continuing Operations, Per Basic and Diluted Share
Income from discontinued operations (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share
Net income available to common stockholders (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted-average shares outstanding - basic (in shares)
Weighted-average shares outstanding - diluted (in shares)
Net income attributable to Piedmont
Expenses for income tax purposes in excess of amounts for financial reporting purposes related to fixed assets
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount
Rental income accrued for income tax purposes less than amounts for financial reporting purposes
Effective Income Tax Rate Reconciliation, Deductions, Rental Income Accrued
Effective Income Tax Rate Reconciliation, Deductions, Rental Income Accrued
Net amortization of above/below-market lease intangibles for income tax purposes in excess of amounts for financial reporting purposes
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Leases, Amount
Gain on disposal of property for financial reporting purposes in excess of amounts for income tax purposes
Effective Income Tax Rate Reconciliation, Disposition of Asset, Amount
Taxable income (loss) of Piedmont Washington Properties, Inc., in excess of amount for financial reporting purposes
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other expenses, including impairment loss on real estate assets, for financial reporting purposes in excess of amounts for income tax purposes
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Income tax basis net income, prior to dividends paid deduction
Income Tax Basis Net Income Prior To Dividends Paid Deduction
Income Tax Basis Net Income Prior To Dividends Paid Deduction
Ordinary income
Common Stock Dividends, Ordinary Income, Percent
Common Stock Dividends, Ordinary Income, Percent
Return of capital
Common Stock Dividends, Return Of Capital, Percent
Common Stock Dividends, Return Of Capital, Percent
Capital gains
Common Stock Dividends, Capital Gains, Percent
Common Stock Dividends, Capital Gains, Percent
Common Stock Dividends, Percent
Common Stock Dividends, Percent
Common Stock Dividends, Percent
Tax basis of total assets
Tax Basis Of Total Assets
Tax Basis Of Total Assets
Accrued interest and penalties related to uncertain tax positions
Liability for Uncertain Tax Positions, Noncurrent
Reduction in potential liability and indemnity receivable
Tax Adjustments, Settlements, and Unusual Provisions
Statement [Table]
Statement [Table]
Statement, Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Additional Paid-in Capital [Member]
Cumulative Distributions in Excess of Earnings [Member]
Retained Earnings [Member]
Other Comprehensive Income/ (Loss) [Member]
AOCI Attributable to Parent [Member]
Non-controlling Interest [Member]
Noncontrolling Interest [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, value
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Balance (in shares)
Share repurchases as part of an announced plan
Stock Repurchased and Retired During Period, Value
Stock repurchases as part of an announced plan (in shares)
Stock Repurchased and Retired During Period, Shares
Offering costs
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs
Retirement of shares returned from escrow
Retirement of Shares Returned from Escrow
Retirement of Shares Returned from Escrow
Retirement of shares returned from escrow, in shares
Retirement of Shares Returned From Escrow, Shares
Retirement of Shares Returned From Escrow, Shares
Redemption of noncontrolling interest in consolidated variable interest entity
Redemption of Noncontrolling Interest in Consolidated Variable Interest Entity
Redemption of noncontrolling interest in consolidated variable interest entity
Reallocation of noncontrolling interest of subsidiary
Noncontrolling Interest, Reallocation of Noncontrolling Interest of Subsidiary
Reallocation of noncontrolling interest of subsidiary
Dividends to common stockholders, dividends to preferred stockholders of subsidiary, and dividends reinvested
Dividends, Minority Interest (Decrease) From Distributions to Noncontrolling Interest Holders and Stock Issued During Period Value Dividend Reinvestment Plan
Sum of a) Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for all securities (common shares, preferred shares, etc.) during the period, b) Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders, and c) Value of stock issued during the period from a dividend reinvestment plan (DRP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock or stock purchased and reissued by the entity.
Shares issued under the 2007 Omnibus Incentive Plan, net of tax
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Shares issued under the 2007 Omnibus Incentive Plan, net of tax, shares
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Net income attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Other comprehensive income/ (loss)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Balance, value
Balance, (in shares)
Revenues
Real estate operating income/(loss)
Income/(loss) from continuing operations
Income/(loss) from discontinued operations
Net income/(loss) attributable to Piedmont
Basic and diluted earnings/(loss) per share
Dividends per share
Fair Value Disclosures [Abstract]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Property, Plant and Equipment [Abstract]
Impairment of Certain Real Estate Assets
Property, Plant and Equipment Disclosure [Text Block]
Accounting Policies [Abstract]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Real Estate Assets
Real Estate Assets [Policy Text Block]
Describes the accounting policy pertaining to long-lived real estate assets, both tangible and intangible, which are held-for-use; and the methods for depreciating or amortizing such assets.
Fair Value of Assets and Liabilities of Acquired Properties
Business Combinations Policy [Policy Text Block]
Investments in and Amounts Due from Unconsolidated Joint Ventures
Investments In Unconsolidated Joint Ventures [Policy Text Block]
Disclosure of accounting policy for investment in unconsolidated joint ventures or partnerships that are included in the enterprise's financial statements using the equity method of accounting.
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Tenant Receivables, net and Straight-line Rent Receivables
Tenant Receivables Net [Policy Text Block]
Disclosure of accounting policy for tenant receivables and straight-line rent receivables, net of allowance for doubtful accounts.
Restricted Cash and Escrows
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Prepaid Expenses and Other Assets
Prepaid Expenses and Other Assets [Policy Text Block]
Disclosure of accounting policy for prepaid and other assets.
Goodwill
Goodwill and Intangible Assets, Policy [Policy Text Block]
Interest Rate Derivatives
Derivatives, Policy [Policy Text Block]
Deferred Lease Costs
Deferred Charges, Policy [Policy Text Block]
Debt
Debt, Policy [Policy Text Block]
Deferred Income
Revenue Recognition, Deferred Revenue [Policy Text Block]
Shares-in-trust, Preferred Stock, Common Stock, Dividends
Stockholders' Equity, Policy [Policy Text Block]
Noncontrolling Interest
Noncontrolling Interest [Policy Text Block]
Disclosure of accounting policy for noncontrolling interests.
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Stock-based Compensation and Nonqualified Deferred Compensation Plan
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Legal Fees and Related Insurance Recoveries
Legal Costs, Policy [Policy Text Block]
Casualty Losses and Litigation Settlement Expense and Related Insurance Recoveries
Net Casualty Losses Litigation Settlements Losses Gains [Policy Text Block]
Disclosure of accounting policy for costs associated with natural disasters and litigation settlements, and related insurance recoveries (if applicable).
Discontinued Operations and Disclosures of Disposals of Components of an Entity
Discontinued Operations, Policy [Policy Text Block]
Net Income Available to Common Stockholders Per Share
Earnings Per Share, Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Reclassifications
Comparability of Prior Year Financial Data, Policy [Policy Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Equity Method Investments and Joint Ventures [Abstract]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Fund XIII And REIT Joint Venture [Member]
Fund XIII And REIT Joint Venture [Member]
Investment [Line Items]
Piedmont’s Approximate Ownership Percentage
Equity Method Investment, Ownership Percentage
Net Book Value
Equity Method Investments
Number of real estate properties
Number of Real Estate Properties
Number of unconsolidated joint ventures
Number Of Unconsolidated Joint Venture Partnerships
Number Of Unconsolidated Joint Venture Partnerships
Loss on consolidation
Discontinued Operations and Disposal Groups [Abstract]
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures
Disposal Groups, Including Discontinued Operations [Table Text Block]
Disclosure of Long Lived Assets Held-for-sale
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
Schedule of Disposal Groups, Including Discontinued Operations, Results Of Operations
Schedule of Disposal Groups, Including Discontinued Operations, Results Of Operations [Table Text Block]
Schedule of Disposal Groups, Including Discontinued Operations, Results Of Operations [Table Text Block]
Schedule of Debt
Schedule of Debt [Table Text Block]
Schedule of Maturities of Long-term Debt
Schedule of Maturities of Long-term Debt [Table Text Block]
Supplemental Cash Flow Elements [Abstract]
Accrued capital expenditures and deferred lease costs
Increase Decrease In Accrued Capital Expenditures And Deferred Lease Costs
Net change in the balance of accrued lease acquisition costs and accrued capital expenditures during the period. These accrued costs consist of items such as leasing commissions, lease incentives, procurement fees, tenant improvements, and/or general building improvements.
Escrowed cash from prior year applied to acquisitions in the current year
Escrow Deposit Disbursements Related to Property Acquisition
Change in accrued share repurchases as part of an announced plan
Increase (Decrease) in Accrued Share Repurchases
Increase (Decrease) in Accrued Share Repurchases
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Compensation expense and directors' fees related to stock awards
Allocated Share-based Compensation Expense
Compensation expense, non-vested awards
Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Amortization Of Nonvested Shares
Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Amortization Of Nonvested Shares
Shares were issued to employees, directors and officers
Nonvested awards, total compensation cost not yet recognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Nonvested awards, total compensation cost not yet recognized, period for recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Statement of Comprehensive Income [Abstract]
Other comprehensive income/(loss):
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Effective portion of gain/(loss) on derivative instruments that are designated and qualify as cash flow hedges (See Note 7)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Reclassification of previously recorded loss included in net income (See Note 7)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
Unrealized loss on investment in available for sale securities
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Other comprehensive income/(loss)
Comprehensive income attributable to Piedmont
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Schedule of Weighted Average Number of Shares
Schedule of Weighted Average Number of Shares [Table Text Block]
Schedule of Cash Flow, Supplemental Disclosures
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Fair Value, by Balance Sheet Grouping
Fair Value, by Balance Sheet Grouping [Table Text Block]
Statement of Financial Position [Abstract]
Assets:
Assets [Abstract]
Land
Land
Buildings and improvements, less accumulated depreciation of $922,019 and $889,997 as of December 31, 2015 and December 31, 2014, respectively
Investment Building and Building Improvements, Net
Investment Building and Building Improvements, Net
Intangible lease assets, less accumulated amortization of $93,012 and $79,860 as of December 31, 2015 and December 31, 2014, respectively
Finite-Lived Intangible Assets, Net
Construction in progress
Construction in Progress, Gross
Real estate assets held for sale, net
Real Estate Held-for-sale
Total real estate assets
Real Estate Investment Property, Net
Investments in and amounts due from unconsolidated joint ventures
Unconsolidated Equity Method Investments and Due from Joint Ventures
Unconsolidated Equity Method Investments and Due from Joint Ventures
Cash and cash equivalents
Tenant receivables, net of allowance for doubtful accounts of $83 and $231 as of December 31, 2015 and December 31, 2014, respectively
Accounts Receivable, Net
Straight-line rent receivables
Deferred Rent Receivables, Net
Notes receivable
Financing Receivable, Net
Restricted cash and escrows
Restricted Cash and Cash Equivalents
Prepaid expenses and other assets
Prepaid Expense and Other Assets
Goodwill
Goodwill
Deferred lease costs, less accumulated amortization of $147,862 and $129,601 as of December 31, 2015 and December 31, 2014, respectively
Deferred Costs, Leasing, Net
Other assets held for sale, net
Disposal Group, Including Discontinued Operation, Other Assets
Total assets
Assets
Liabilities:
Liabilities [Abstract]
Unsecured debt, net of discount and unamortized debt issuance costs of $12,779 and $12,698 as of December 31, 2015 and December 31, 2014, respectively
Unsecured Debt
Secured debt, net of premiums and unamortized debt issuance costs of $1,319 and $2,833 as of December 31, 2015 and December 31, 2014, respectively
Secured Debt
Accounts payable, accrued expenses, and accrued capital expenditures
Accounts Payable and Accrued Liabilities
Deferred income
Deferred Revenue
Intangible lease liabilities, less accumulated amortization of $42,315 and $35,628 as of December 31, 2015 and December 31, 2014, respectively
Off-market Lease, Unfavorable
Interest rate swaps
Other liabilities held for sale, net
Disposal Group, Including Discontinued Operation, Liabilities
Total liabilities
Liabilities
Commitments and Contingencies
Commitments and Contingencies
Stockholders' Equity:
Stockholders' Equity Attributable to Parent [Abstract]
Shares-in-trust, 150,000,000 shares authorized, none outstanding as of December 31, 2015 or December 31, 2014
Common Stock Held in Trust
Preferred stock, no par value, 100,000,000 shares authorized, none outstanding as of December 31, 2015 or December 31, 2014
Preferred Stock, Value, Issued
Common stock, $.01 par value; 750,000,000 shares authorized, 145,511,644 shares issued and outstanding as of December 31, 2015; and 154,324,089 shares issued and outstanding at December 31, 2014
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Cumulative distributions in excess of earnings
Accumulated Distributions in Excess of Net Income
Other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Piedmont stockholders’ equity
Stockholders' Equity Attributable to Parent
Noncontrolling interest
Stockholders' Equity Attributable to Noncontrolling Interest
Total stockholders’ equity
Total liabilities and stockholders’ equity
Liabilities and Equity
Schedule of Nonvested Share Activity
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of Outstanding Employee Deferred Stock Awards
Schedule of Outstanding Employee Deferred Stock Awards [Table Text Block]
Schedule of Outstanding Employee Deferred Stock Awards [Table Text Block]
Guarantor and Non-Guarantor Financial Information
Condensed Financial Statements [Text Block]
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]
Real Estate and Accumulated Depreciation, by Property [Table]
SEC Schedule III, Real Estate and Accumulated Depreciation, by Property [Table]
Real Estate and Accumulated Depreciation, Description of Property [Axis]
Real Estate and Accumulated Depreciation, Name of Property [Domain]
1430 ENCLAVE PARKWAY [Member]
ENCLAVE PARKWAY 1430 [Member]
ENCLAVE PARKWAY 1430 [Member]
CRESCENT RIDGE II [Member]
CRESCENT RIDGE II [Member]
CRESCENT RIDGE II [Member]
1200 CROWN COLONY DRIVE [Member]
CROWN COLONY DRIVE 1200 [Member]
CROWN COLONY DRIVE 1200 [Member]
5601 HIATUS ROAD [Member]
HIATUS ROAD 5601 [Member]
HIATUS ROAD 5601 [Member]
WINDY POINT I [Member]
WINDY POINT I [Member]
WINDY POINT I [Member]
WINDY POINT II [Member]
WINDY POINT II [Member]
WINDY POINT II [Member]
SARASOTA COMMERCE CENTER II [Member]
SARASOTA COMMERCE CENTER II [Member]
SARASOTA COMMERCE CENTER II [Member]
11695 JOHNS CREEK PARKWAY [Member]
JOHNS CREEK PARKWAY 11695 [Member]
JOHNS CREEK PARKWAY 11695 [Member]
2001 NW 64TH STREET [Member]
NW 64th Street 2001 [Member]
NW 64th STREET 2001 [Member]
90 CENTRAL STREET [Member]
CENTRAL STREET 90 [Member]
CENTRAL STREET 90 [Member]
300 DESERT CANYON [Member]
DESERT CANYON 300 [Member]
DESERT CANYON 300 [Member]
6031 CONNECTION DRIVE [Member]
CONNECTION DRIVE 6031 [Member]
CONNECTION DRIVE 6031 [Member]
6021 CONNECTION DRIVE [Member]
CONNECTION DRIVE 6021 [Member]
CONNECTION DRIVE 6021 [Member]
6011 CONNECTION DRIVE [Member]
CONNECTION DRIVE 6011 [Member]
CONNECTION DRIVE 6011 [Member]
BRAKER POINTE III [Member]
BRAKER POINTE III [Member]
BRAKER POINTE III [Member]
TWO INDEPENDENCE SQUARE [Member]
TWO INDEPENDENCE SQUARE [Member]
TWO INDEPENDENCE SQUARE [Member]
ONE INDEPENDENCE SQUARE [Member]
ONE INDEPENDENCE SQUARE [Member]
ONE INDEPENDENCE SQUARE [Member]
2120 WEST END AVENUE [Member]
WEST END AVENUE 2120 [Member]
WEST END AVENUE 2120 [Member]
800 NORTH BRAND BOULEVARD [Member]
NORTH BRAND BOULEVARD 800 [Member]
NORTH BRAND BOULEVARD 800 [Member]
150 WEST JEFFERSON [Member]
WEST JEFFERSON 150 [Member]
WEST JEFFERSON 150 [Member]
US BANCORP CENTER [Member]
US BANCORP CENTER [Member]
US BANCORP CENTER [Member]
AUBURN HILLS CORPORATE CENTER [Member]
Auburn Hills Corporate Center Building [Member]
Auburn Hills Corporate Center Building [Member]
9211 CORPORATE BOULEVARD [Member]
CORPORATE BOULEVARD 9211 [Member]
CORPORATE BOULEVARD 9211 [Member]
9221 CORPORATE BOULEVARD [Member]
CORPORATE BOULEVARD 9221 [Member]
CORPORATE BOULEVARD 9221 [Member]
GLENRIDGE HIGHLANDS TWO [Member]
GLENRIDGE HIGHLANDS TWO [Member]
GLENRIDGE HIGHLANDS TWO [Member]
200 BRIDGEWATER CROSSING [Member]
BRIDGEWATER CROSSING 200 [Member]
BRIDGEWATER CROSSING 200 [Member]
1055 EAST COLORADO BOULEVARD [Member]
EAST COLORADO BOULEVARD 1055 [Member]
EAST COLORADO BOULEVARD 1055 [Member]
FAIRWAY CENTER II [Member]
FAIRWAY CENTER II [Member]
FAIRWAY CENTER II [Member]
1901 MAIN STREET [Member]
MAIN STREET 1901 [Member]
MAIN STREET 1901 [Member]
400 VIRGINIA AVE [Member]
VIRGINIA AVE 400 [Member]
VIRGINIA AVE 400 [Member]
4250 NORTH FAIRFAX DRIVE [Member]
NORTH FAIRFAX DRIVE 4250 [Member]
NORTH FAIRFAX DRIVE 4250 [Member]
1225 EYE STREET [Member]
EYE STREET 1225 [Member]
EYE STREET 1225 [Member]
1201 EYE STREET [Member]
EYE STREET 1201 [Member]
EYE STREET 1201 [Member]
1901 MARKET STREET [Member]
MARKET STREET 1901 [Member]
MARKET STREET 1901 [Member]
60 BROAD STREET [Member]
BROAD STREET 60 [Member]
BROAD STREET 60 [Member]
1414 MASSACHUSETTS AVENUE [Member]
MASSACHUSETTS AVENUE 1414 [Member]
MASSACHUSETTS AVENUE 1414 [Member]
ONE BRATTLE SQUARE [Member]
ONE BRATTLE SQUARE [Member]
ONE BRATTLE SQUARE [Member]
600 CORPORATE DRIVE [Member]
CORPORATE DRIVE 600 [Member]
CORPORATE DRIVE 600 [Member]
1075 WEST ENTRANCE DRIVE [Member]
WEST ENTRANCE DRIVE 1075 [Member]
WEST ENTRANCE DRIVE 1075 [Member]
3100 CLARENDON BOULEVARD [Member]
CLARENDON BOULEVARD 3100 [Member]
CLARENDON BOULEVARD 3100 [Member]
9200 CORPORATE BOULEVARD [Member]
CORPORATE BOULEVARD 9200 [Member]
CORPORATE BOULEVARD 9200 [Member]
400 BRIDGEWATER CROSSING [Member]
BRIDGEWATER CROSSING 400 [Member]
BRIDGEWATER CROSSING 400 [Member]
LAS COLINAS CORPORATE CENTER I [Member]
LAS COLINAS CORPORATE CENTER I [Member]
LAS COLINAS CORPORATE CENTER I [Member]
LAS COLINAS CORPORATE CENTER II [Member]
LAS COLINAS CORPORATE CENTER II [Member]
LAS COLINAS CORPORATE CENTER II [Member]
TWO PIERCE PLACE [Member]
TWO PIERCE PLACE [Member]
TWO PIERCE PLACE [Member]
2300 CABOT DRIVE [Member]
CABOT DRIVE 2300 [Member]
CABOT DRIVE 2300 [Member]
PIEDMONT POINTE I [Member]
PIEDMONT POINTE I [Member]
PIEDMONT POINTE I [Member]
PIEDMONT POINTE II [Member]
PIEDMONT POINTE II [Member]
PIEDMONT POINTE II [Member]
SUWANEE GATEWAY ONE [Member]
SUWANEE GATEWAY ONE [Member]
SUWANEE GATEWAY ONE [Member]
ONE MERIDIAN CROSSINGS [Member]
ONE MERIDIAN CROSSINGS [Member]
ONE MERIDIAN CROSSINGS [Member]
TWO MERIDIAN CROSSINGS [Member]
TWO MERIDIAN CROSSINGS [Member]
TWO MERIDIAN CROSSINGS [Member]
500 W. MONROE [Member]
W MONROE 500 [Member]
W MONROE 500 [Member]
THE DUPREE [Member]
DUPREE [Member]
DUPREE [Member]
THE MEDICI [Member]
MEDICI [Member]
MEDICI [Member]
225 PRESIDENTIAL WAY [Member]
PRESIDENTIAL WAY 225 [Member]
PRESIDENTIAL WAY 225 [Member]
235 PRESIDENTIAL WAY [Member]
PRESIDENTIAL WAY 235 [Member]
PRESIDENTIAL WAY 235 [Member]
400 TOWNPARK [Member]
TOWNPARK 400 [Member]
TOWNPARK 400 [Member]
ARLINGTON GATEWAY [Member]
Arlington Gateway [Member]
Arlington Gateway [Member]
5 & 15 WAYSIDE ROAD [Member]
Wayside Road, 5 and 15 [Member]
Wayside Road, 5 and 15 [Member]
5301 MARYLAND WAY [Member]
MARYLAND WAY 5301 [Member]
MARYLAND WAY 5301 [Member]
6565 MACARTHUR BLVD [Member]
Six Five Six Five MacArthur Blvd [Member]
Six Five Six Five MacArthur Blvd [Member]
ONE LINCOLN PARK [Member]
One Lincoln Park [Member]
One Lincoln Park [Member]
161 CORPORATE CENTER [Member]
CORPORATE CENTER 161 [Member]
CORPORATE CENTER 161 [Member]
5 Wall Street [Member]
The 5 Wall Street Building [Member]
The 5 Wall Street Building [Member]
1155 Perimeter Center West [Member]
Perimeter Center West 1155 [Member]
Perimeter Center West 1155 [Member]
ENCLAVE PLACE [Member]
ENCLAVE PLACE [Member]
ENCLAVE PLACE [Member]
GLENRIDGE HIGHLANDS ONE [Member]
PIEDMONT POWER, LLC [Member]
PIEDMONT POWER LLC [Member]
PIEDMONT POWER, LLC [Member]
UNDEVELOPED LAND PARCELS [Member]
UNDEVELOPED LAND PARCELS [Member]
UNDEVELOPED LAND PARCELS [Member]
8560 UPLAND DRIVE [Member]
UPLAND DRIVE 8560 [Member]
UPLAND DRIVE 8560 [Member]
Minimum [Member]
Minimum [Member]
Real Estate Properties [Axis]
Real Estate Property Ownership [Axis]
Real Estate Properties [Domain]
Real Estate Properties [Domain]
Wholly Owned Properties [Member]
Wholly Owned Properties [Member]
Partially Owned Properties [Member]
Partially Owned Properties [Member]
$125.0 Million Fixed-Rate Loan [Member]
Fixed-Rate 125Million Loan [Member]
Fixed-Rate 125Million Loan [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Building Improvements [Member]
Building Improvements [Member]
Land Improvements [Member]
Land Improvements [Member]
1225 Equity LLC [Member]
1225 Equity LLC [Member]
1225 Equity LLC [Member]
1201 Equity LLC [Member]
1201 Equity LLC [Member]
1201 Equity LLC [Member]
Variable Interest Entities [Axis]
Variable Interest Entities [Axis]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity, Classification [Domain]
1225 Eye Street N.W. Associates, LLC [Member]
Eye Street 1225 NW Associates LLC [Member]
Eye Street 1225 NW Associates LLC [Member]
1201 Eye Street N.W. Associates, LLC [Member]
Eye Street 1201 NW Associates LLC [Member]
Eye Street 1201 NW Associates LLC [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage
Real Estate and Accumulated Depreciation, Ownership Percentage
Real Estate and Accumulated Depreciation, Ownership Percentage
Encumbrances
SEC Schedule III, Real Estate and Accumulated Depreciation, Amount of Encumbrances
Initial Cost, Land
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land
Initial Cost, Buildings and Improvements
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements
Initial Cost, Total
Real Estate and Accumulated Depreciation, Initial Cost
Real Estate and Accumulated Depreciation, Initial Cost
Costs Capitalized Subsequent to Acquisition
SEC Schedule III, Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements
Gross Amount at Which Carried, Land
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Land
Gross Amount at Which Carried, Buildings and Improvements
SEC Schedule III, Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements
Gross Amount at Which Carried, Total
SEC Schedule III, Real Estate, Gross
Accumulated Depreciation and Amortization
Real Estate, Accumulated Depreciation And Amortization
Real Estate, Accumulated Depreciation And Amortization
Life on which Depreciation and Amortization is Computed
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation
Useful life
Property, Plant and Equipment, Useful Life
Amount of principal paid off
Repayments of Debt
Piedmont’s % Ownership of Entity
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage
Real Estate:
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at the beginning of the year
Additions to/improvements of real estate
SEC Schedule III, Real Estate, Improvements
Assets disposed
SEC Schedule III, Real Estate, Cost of Real Estate Sold
Assets impaired
Real Estate, Assets Impaired
Real Estate, Assets Impaired
Write-offs of intangible assets
Real Estate, Write-down of Intangible Assets
Real Estate, Write-down of Intangible Assets
Write-offs of fully depreciated/amortized assets
Real Estate, Write-down of Depreciated and Amortized Assets
Real Estate, Write-down of Depreciated and Amortized Assets
Balance at the end of the year
Accumulated Depreciation and Amortization:
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at the beginning of the year
Depreciation and amortization expense
Depreciation, Depletion and Amortization
Assets disposed
SEC Schedule III, Real Estate Accumulated Depreciation, Real Estate Sold
Write-offs of intangible assets
Real Estate Accumulated Depreciation, Write Offs Of Intangible Assets
Real Estate Accumulated Depreciation, Write Offs Of Intangible Assets
Write-offs of fully depreciated/amortized assets
Real Estate Accumulated Depreciation, Write Offs Of Fully Depreciated And Amortized Assets
Real Estate Accumulated Depreciation, Write Offs Of Fully Depreciated And Amortized Assets
Balance at the end of the year
Condensed Balance Sheet
Condensed Balance Sheet [Table Text Block]
Condensed Income Statement
Condensed Income Statement [Table Text Block]
Condensed Cash Flow Statement
Condensed Cash Flow Statement [Table Text Block]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]
Measurement Basis [Axis]
Fair Value, Disclosure Item Amounts [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Carrying Value [Member]
Reported Value Measurement [Member]
Estimated Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Receivable Type [Axis]
Receivable Type [Axis]
Receivable [Domain]
Receivable [Domain]
Notes Receivable [Member]
Notes Receivable [Member]
Interest Rate Swap [Member]
Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Tenant receivables, net and Notes receivable
Receivables, Fair Value Disclosure
Restricted cash and escrows
Restricted Cash and Escrows, Fair Value Disclosure
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of restricted cash and escrows existing as of the balance sheet date.
Interest rate swap asset
Accounts payable and accrued expenses
Accounts Payable, Fair Value Disclosure
Interest rate swap liability
Debt
Notes Payable, Fair Value Disclosure
Variable Interest Entities and Equity Participation Rights
Variable Interest Entity Disclosure [Text Block]
Schedule of Impaired Long-Lived Assets Held and Used [Table]
Schedule of Impaired Long-Lived Assets Held and Used [Table]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Discontinued Operations, Held-for-sale [Member]
Discontinued Operations, Held-for-sale [Member]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Groups, Including Discontinued Operations, Name [Domain]
Disposal Group Name [Domain]
Eastpoint I & II [Member]
EASTPOINT I and II [Member]
EASTPOINT I and II [Member]
2 Gatehall Drive [Member]
GATEHALL DRIVE 2 [Member]
GATEHALL DRIVE 2 [Member]
11107 and 11109 Sunset Hills Road [Member]
Sunset Hills Road, 11107 and 11109 [Member]
Sunset Hills Road, 11107 and 11109 [Member]
1111 Durham Avenue [Member]
Durham 111 Avenue [Member]
Durham 111 Avenue [Member]
Investment, Name [Axis]
Piedmont's Investment in Fund XIII and REIT Joint Venture (at Piedmont's approximate 72% ownership) [Member]
Piedmont's Investment in Fund XIII and REIT Joint Venture [Member]
Piedmont's Investment in Fund XIII and REIT Joint Venture [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment losses included as Equity in Income/(Loss) of Unconsolidated Joint Ventures:
Equity Method Investment, Other than Temporary Impairment
Impairment losses recorded in Discontinued Operations:
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Building and building improvements [Member]
Building and Building Improvements [Member]
Construction in Progress [Member]
Construction in Progress [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Real estate assets held for sale, net:
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment
Accumulated depreciation (building improvements)
Disposal Group, Including Discontinued Operation, Accumulated Depreciation, Property Plant and Equipment
Disposal Group, Including Discontinued Operation, Accumulated Depreciation, Property Plant and Equipment
Total real estate assets held for sale, net
Real Estate Held-for-sale, Net
Net carrying amount as of the balance sheet date of investments in land, buildings, finite-lived intangibles, and construction in progress classified as held for sale.
Straight-line rent receivables
Disposal Group, Including Discontinued Operation, Straight-line Rent
Disposal Group, Including Discontinued Operation, Straight-line Rent
Prepaid expenses and other assets
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets
Deferred lease costs, less accumulated amortization of $14,866 as of December 31, 2014
Disposal Group, Including Discontinued Operation, Deferred Lease Costs, Net
Disposal Group, Including Discontinued Operation, Deferred Lease Costs, Net
Accumulated amortization on deferred lease costs
Disposal Group, Including Discontinued Operation, Deferred Lease Costs, Accumulated Amortization
Disposal Group, Including Discontinued Operation, Deferred Lease Costs, Accumulated Amortization
Total other assets held for sale, net
Intangible lease liabilities, less accumulated amortization of $2,335 as of December 31, 2014
Disposal Group, Including Discontinued Operation, Off Market Lease Unfavorable
Disposal Group, Including Discontinued Operation, Off Market Lease Unfavorable
Accumulated amortization on Intangible lease liabilities
Disposal Group, Including Discontinued Operation, Below Market Lease, Accumulated Amortization
Disposal Group, Including Discontinued Operation, Below Market Lease, Accumulated Amortization
Details of Impairment of Long-Lived Assets Held and Used by Asset
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block]
Derivative Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Buildings and improvements, accumulated depreciation
Real Estate Investment Property, Accumulated Depreciation
Intangible lease assets, accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Tenant receivables, allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable
Deferred lease costs, accumulated amortization
Deferred Costs, Leasing, Accumulated Amortization
Net of discount, premium and unamortized debt issuance costs
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Intangible lease liabilities, accumulated amortization
Intangible Lease Liabilities Accumulated Amortization
Intangible Lease Liabilities Accumulated Amortization
Shares-in-trust, shares authorized
Shares In Trust Authorized
Shares In Trust Authorized
Shares-in-trust, shares outstanding
Shares In Trust, Outstanding
Shares In Trust, Outstanding
Preferred stock, par value
Preferred Stock, No Par Value
Preferred stock, shares authorized
Preferred Stock, Shares Authorized
Preferred stock, shares outstanding
Preferred Stock, Shares Outstanding
Common stock, par value
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized
Common Stock, Shares Authorized
Common stock, shares issued
Common Stock, Shares, Issued
Quarterly Results (unaudited)
Quarterly Financial Information [Text Block]
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Medici Atlanta LLC [Member]
Medici Atlanta LLC [Member]
Medici Atlanta LLC [Member]
Piedmont 500 W. Monroe Fee LLC [Member]
Piedmont 500 W. Monroe Fee LLC [Member]
Piedmont 500 W. Monroe Fee LLC [Member]
Piedmont TownPark Land, LLC [Member]
Piedmont TownPark Land, LLC [Member]
Piedmont TownPark Land, LLC [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Net Carrying Amount
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net
Percent of cash flow entitled to entity
Variable Interest Entity Cash Flow Percent Entitled To Entity
Variable Interest Entity Cash Flow Percent Entitled To Entity
Payments to settle redemption option
Schedule of Real Estate Properties [Table]
Schedule of Real Estate Properties [Table]
Office properties [Member]
Office properties [Member]
Office properties [Member]
Redevelopment Asset [Member]
Redevelopment Asset [Member]
Redevelopment Asset [Member]
Unconsolidated Joint Venture [Member]
Unconsolidated Joint Venture [Member]
Unconsolidated Joint Venture [Member]
Real Estate Properties [Line Items]
Real Estate Properties [Line Items]
Number of wholly owned subsidiaries
Number Of Wholly Owned Management Subsidiaries
Number Of Wholly Owned Management Subsidiaries
Percentage ownership by sole general partner
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest
Percentage ownership by sole limited partner
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest
Number of office properties under development
Number of Real Estate Properties Under Development
Number of Real Estate Properties Under Development
Number of square feet of office building
Percentage of Class A commercial office space
Real Estate Properties Leased, Percent
Real Estate Properties Leased Percent
Percentage of annualized lease revenue
Operating Leases, Income Statement, Percentage of Annualized Lease Revenue
Operating Leases, Income Statement, Percentage of Annualized Lease Revenue
Number of operating segments
Number of Operating Segments
Schedule of Future Minimum Rental Payments for Operating Leases
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Interest income and other income/(expense)
Discontinued Operations [Member]
Discontinued Operations [Member]
Discontinued Operations, Disposed of by Sale [Member]
Discontinued Operations, Disposed of by Sale [Member]
1200 Enclave Parkway [Member]
Enclave 1200 Parkway [Member]
Enclave 1200 Parkway [Member]
350 Spectrum Loop [Member]
SPECTRUM LOOP 350 [Member]
SPECTRUM LOOP 350 [Member]
8700 South Price Road [Member]
SOUTH PRICE ROAD 8700 [Member]
SOUTH PRICE ROAD 8700 [Member]
1441 West Long Lake Road [Member]
West Long Lake Road 1441 [Member]
West Long Lake Road 1441 [Member]
4685 Investment Drive [Member]
INVESTMENT DRIVE 4685 [Member]
INVESTMENT DRIVE 4685 [Member]
Gain/(Loss) on Sale
Net Sales Proceeds
Rental income
Disposal Group, Including Discontinued Operation, Rental Income
Tenant reimbursements
Disposal Group, Including Discontinued Operation, Tenant Reimbursement
Disposal Group, Including Discontinued Operation, Tenant Reimbursement
Property management fee revenue
Disposal Group, Including Discontinued Operation, Property Management Fee Revenue
Disposal Group, Including Discontinued Operation, Property Management Fee Revenue
Revenue
Disposal Group, Including Discontinued Operation, Revenue
Expenses:
Expenses [Abstract]
Expenses [Abstract]
Property operating costs
Disposal Group, Including Discontinued Operation, Property Operating Costs
Disposal Group, Including Discontinued Operation, Property Operating Costs
Depreciation
Disposal Group, Including Discontinued Operation, Depreciation
Disposal Group, Including Discontinued Operation, Depreciation
Amortization
Disposal Group, Including Discontinued Operation, Amortization
Disposal Group, Including Discontinued Operation, Amortization
General and administrative
Disposal Group, Including Discontinued Operation, General and Administrative Expense
Expenses
Disposal Group, Including Discontinued Operation, Operating Expense
Other income (expense):
Other Income and Expenses [Abstract]
Other income/(expense)
Disposal Group Including Discontinued Operation Interest And Other Income Expense
Disposal Group Including Discontinued Operation Interest And Other Income Expense
Net casualty recoveries
Disposal Group Including Discontinued Operation Net Loss Gain From Casualty Event
The net charge/recovery against earnings in the period related to a fire, explosion, or natural disaster (hurricane, earthquake) for disposal group, including discontinued operation.
Other income (expense)
Disposal Group Including Discontinued Other Income Expense
Disposal Group Including Discontinued Other Income Expense
Operating income, excluding impairment loss and gain/(loss) on sale of real estate assets
Impairment loss
Schedule of Debt Instruments [Table]
Schedule of Debt Instruments [Table]
Schedule of Debt Instruments [Table]
$500 Million Unsecured Line of Credit [Member]
Unsecured 500 Million Line of Credit [Member]
Unsecured 500 Million Line of Credit [Member]
$50 Million Unsecured Term Loan [Member]
The 50 Million Bridge Loan Facility [Member]
The 50 Million Bridge Loan Facility [Member]
$105.0 Million Fixed-Rate Loan [Member]
Fixed-Rate 105Million Loan [Member]
Fixed-Rate 105Million Loan [Member]
$42.5 Million Fixed-Rate Loan [Member]
Fixed-Rate 42.5Million Loan [Member]
Fixed-Rate 42.5Million Loan [Member]
$140 Million WDC Fixed-Rate Loans [Member]
WDC Mortgage Notes [Member]
WDC Mortgage Notes [Member]
$35.0 Million Fixed-Rate Loan [Member]
Mortgage Loan Maturing September 1, 2021 [Member]
Mortgage Loan Maturing September 1, 2021 [Member]
$350 Million Senior Notes [Member]
Senior 350 Million Notes [Member]
Senior 350 Million Notes [Member]
$400 Million Senior Notes [Member]
Senior 2014 Notes [Member]
Senior 2014 Notes [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
LIBOR [Member]
London Interbank Offered Rate (LIBOR) [Member]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Bridge Loan [Member]
Bridge Loan [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Interest rate percentage
Debt Instrument, Interest Rate, Stated Percentage
Additional extension period
Line Of Credit Facility, Maximum Maturity Extension Period
Line Of Credit Facility, Maximum Maturity Extension Period
Number of extension periods
Line Of Credit Facility, Number of Maturity Extension Periods
Line Of Credit Facility, Number of Maturity Extension Periods
Extension period
Line Of Credit Facility, Maturity Extension Period
Line Of Credit Facility, Maturity Extension Period
Repayment amount
Repayments of Long-term Debt
Amount of indebtedness outstanding
Notes and Loans Payable
Inclusive of premiums, net of discounts and net deferred costs paid to lenders and other third-parties
Effective rate percentage
Debt Instrument, Interest Rate, Effective Percentage
LIBOR interest rate in effect
LIBOR Interest Rate In Effect
LIBOR Interest Rate In Effect
Net borrowings
Debt Instrument, Increase (Decrease), Net
Effective interest on debt including swap settlement
Debt Instrument, Interest Rate, Effective Percentage Including Swap Settlement
Effective interest rate for the funds borrowed under the debt agreement considering original issue of discount or premium as well as the impact of settled interest rate swaps
Weighted average interest rate
Debt, Weighted Average Interest Rate
Interest payments
Interest Paid
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
2020 W. 89th STREET [Member]
Building 2020 [Member]
Building 2020 [Member]
Two Park Center [Member]
TWO PARK CENTER [Member]
TWO PARK CENTER [Member]
3900 Dallas Parkway [Member]
DALLAS PARKWAY 3900 [Member]
DALLAS PARKWAY 3900 [Member]
5601 Headquarters Drive [Member]
HEADQUARTERS DRIVE 5601 [Member]
HEADQUARTERS DRIVE 5601 [Member]
River Corporate Center [Member]
RIVER CORPORATE CENTER [Member]
RIVER CORPORATE CENTER [Member]
Copper Ridge Center [Member]
COPPER RIDGE CENTER [Member]
COPPER RIDGE CENTER [Member]
3750 Brookside Parkway [Member]
BROOKSIDE PARKWAY 3750 [Member]
BROOKSIDE PARKWAY 3750 [Member]
Chandler Forum [Member]
CHANDLER FORUM [Member]
CHANDLER FORUM [Member]
Aon Center [Member]
AON CENTER [Member]
AON CENTER [Member]
Schedule of Receivables with Imputed Interest, Name of Receivable with Imputed Interest [Axis]
Schedule of Receivables with Imputed Interest, Name of Receivable with Imputed Interest [Axis]
Name of Receivable with Imputed Interest [Domain]
Name of Receivable with Imputed Interest [Domain]
Secured Promissory Note [Member]
Secured Promissory Note [Member]
Secured Promissory Note [Member]
Gain/(Loss) on Sale
Gains (Losses) on Sales of Investment Real Estate
Interest rate percentage for unsecured promissory note
Financing Receivable, Stated Interest Rate
Financing Receivable, Stated Interest Rate
Number of terms in which unsecured promissory note may be extended
Financing Receivable, Number of Extension Terms
Financing Receivable, Number of Extension Terms
Duration of extension period
Financing Receivable, Duration of Extension Term
Financing Receivable, Duration of Extension Term
Schedule of Equity Method Investments
Equity Method Investments [Table Text Block]
Schedule of Variable Interest Entities
Schedule of Variable Interest Entities [Table Text Block]
Property, Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Schedule of Finite-Lived Intangible Assets by Major Class
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Amortization Of Intangible Lease Costs
Amortization Of Intangible Lease Costs [Table Text Block]
Amortization Of Intangible Lease Costs [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Buildings and improvements, less accumulated depreciation
Intangible lease assets, less accumulated amortization
Investments in and amounts due from unconsolidated joint ventures
Tenant and straight-line receivables, net
Tenant Receivables Including Straight Line Rental Revenue Receivables
Tenant Receivables Including Straight Line Rental Revenue Receivables
Advances to affiliates
Due from Affiliates
Investment in subsidiary
Investment In Subsidiary
Amount of Investment in an affiliate by means of direct or indirect ownership
Prepaid expenses, restricted cash, escrows, and other assets
Prepaid Expense and Restricted Cash and Cash Equivalents and Other Assets
Prepaid Expense and Restricted Cash and Cash Equivalents and Other Assets
Deferred lease costs, net
Debt
Long-term Debt
Advances from affiliates
Due to Affiliate
Intangible lease liabilities, net
Stockholders’ Equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock
Other comprehensive loss
Supplemental Disclosures of Noncash Activities
Cash Flow, Supplemental Disclosures [Text Block]
Income Taxes
Income Tax Disclosure [Text Block]
Statement of Cash Flows [Abstract]
Cash Flows from Operating Activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income
Operating distributions received from unconsolidated joint ventures
Proceeds from Equity Method Investment, Dividends or Distributions
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation
Depreciation
Amortization of debt issuance costs
Amortization of Financing Costs and Discounts
Gain/(loss) on settlement of forward starting interest rate swaps
Deferred Gain/(Loss) on Settlement of Interest Rate Derivative
Gain/(Loss) on settlement of interest rate derivative which is recorded as component of accumulated other comprehensive income and recognized as offset/increase to interest expense over the life of the respective underlying debt facility.
Other amortization
Amortization of Intangible Assets
Impairment loss on real estate assets
Disposal Group Including Discontinued Operation Loss on Write Down and Impairment of Long-Lived Assets to be Disposed of
Disposal Group Including Discontinued Operation Loss on Write Down and Impairment of Long-Lived Assets to be Disposed of
Stock compensation expense
Share-based Compensation
Equity in loss/(income) of unconsolidated joint ventures
Income (Loss) from Equity Method Investments, Actual Cash Impact
Income (Loss) from Equity Method Investments, Actual Cash Impact
Gain on sale of real estate assets
Gain (Loss) on Disposal of Real Estate Assets Non Cash Impact
Represents the total non-cash gain/loss from sales of real estate assets, including property sales which meet the definition of discontinued operations and property sales which do not meet the definition of discontinued operations under ASC No. 2014-08
Loss on consolidation
Retirement of shares returned from escrow
Retirement of Shares Returned from Escrow, Operating Activity
Retirement of Shares Returned from Escrow, Operating Activity
Changes in assets and liabilities:
Increase (Decrease) in Operating Assets [Abstract]
Increase in tenant and straight-line rent receivables, net
Increase (Decrease) in Accounts Receivable
Increase in restricted cash and escrows
Increase (Decrease) in Restricted Cash for Operating Activities
Increase in prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Increase/(decrease) in accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Increase/(decrease) in deferred income
Increase (Decrease) in Deferred Revenue
Net cash provided by operating activities
Cash Flows from Investing Activities:
Acquisition of real estate assets, net of related debt assumed, and intangibles
Payments to Acquire Real Estate
Net cash held in escrow for acquisitions
Increase (Decrease) in Restricted Cash
Capitalized expenditures, net of accruals
Payments for Tenant Improvements, Capital Improvements, and to Develop Real Estate Assets
Payments for Tenant Improvements, Capital Improvements, and to Develop Real Estate Assets
Acquisition of unconsolidated joint ventures, net of cash assumed
Payments to Acquire Interest in Unconsolidated Joint Venture, Net of Cash Assumed
Payments to Acquire Remaining Interest in Unconsolidated Joint Venture(s), Net of Cash Assumed
Discount paid due to loan modification
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Dividends declared (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Earnings Per Share
Earnings Per Share [Text Block]
Acquisitions
Business Combination Disclosure [Text Block]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Concentration Risk by Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Major Customers [Axis]
Customer [Axis]
Name of Major Customer [Domain]
Customer [Domain]
Federal Governmental Agencies [Member]
Federal Governmental Agencies [Member]
Federal Governmental Agencies [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage
Concentration Risk, Percentage
Operating Leases, Future Minimum Payments Receivable [Abstract]
2016
Operating Leases, Future Minimum Payments Receivable, Current
2017
Operating Leases, Future Minimum Payments Receivable, in Two Years
2018
Operating Leases, Future Minimum Payments Receivable, in Three Years
2019
Operating Leases, Future Minimum Payments Receivable, in Four Years
2020
Operating Leases, Future Minimum Payments Receivable, in Five Years
Thereafter
Operating Leases, Future Minimum Payments Receivable, Thereafter
Total
Operating Leases, Future Minimum Payments Receivable
Stock Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Property Dispositions, Assets Held for Sale, and Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Schedule of Business Acquisitions, by Acquisition
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Date [Axis]
Award Date [Axis]
Award Date [Domain]
Award Date [Domain]
Deferred Stock Award, Granted April 2, 2013 [Member]
Deferred Stock Award, Granted April 2, 2013 [Member]
Deferred Stock Award, Granted April 2, 2013 [Member]
Performance Share Program Award, Granted April 2, 2013 [Member]
Performance Share Program Award, Granted April 2, 2013 [Member]
Performance Share Program Award, Granted April 2, 2013 [Member]
Deferred Stock Award, Granted January 3, 2014 [Member]
Deferred Stock Award, Granted January 3, 2014 [Member]
Deferred Stock Award, Granted January 3, 2014 [Member]
Deferred Stock Award, Granted May 9, 2014 [Member]
Deferred Stock Award, Granted May 9, 2014 [Member]
Deferred Stock Award, Granted May 9, 2014 [Member]
Performance Share Program Award, Granted May 9, 2014 [Member]
Performance Share Program Award, Granted May 9, 2014 [Member]
Performance Share Program Award, Granted May 9, 2014 [Member]
Deferred Stock Award, Granted May 1, 2015 [Member]
Deferred Stock Award, Granted May 1, 2015 [Member]
Deferred Stock Award, Granted May 1, 2015 [Member]
Performance Share Program Award, Granted May 1, 2015 [Member]
Performance Share Program Award, Granted May 1, 2015 [Member]
Performance Share Program Award, Granted May 1, 2015 [Member]
Vesting [Axis]
Vesting [Axis]
Vesting [Domain]
Vesting [Domain]
Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Award, Tranche Three [Member]
Share-based Compensation Award, Tranche Three [Member]
Share-based Compensation Award, Tranche Four [Member]
Share-based Compensation Award, Tranche Four [Member]
Share-based Compensation Award, Tranche Four [Member]
Share-based Compensation Award, Tranche Five [Member]
Share-based Compensation Award, Tranche Five [Member]
Share-based Compensation Award, Tranche Five [Member]
Award Type [Axis]
Equity Award [Domain]
Deferred Stock Award [Member]
Deferred Stock Award [Member]
Deferred Stock Award [Member]
Performance Shares [Member]
Performance Shares [Member]
Stock Awards [Member]
Stock Awards [Member]
Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Rollforward of deferred stock award activity
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested Deferred Stock Awards as of December 31, 2014 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Deferred Stock Awards Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Increase in Estimated Potential Future Performance Share Awards (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Increase in Estimated Potential Future Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Increase in Estimated Potential Future Awards
Deferred Stock Awards Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Deferred Stock Awards Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Unvested Deferred Stock Awards as of December 31, 2015 (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Unvested Deferred Stock Awards, Weighted-Average Grant Date Fair Value at beginning of year (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Deferred Stock Awards Granted, Weighted-Average Grant Date Fair (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Increase in Estimated Potential Future Performance Share Awards, Weighted Average Grant Date Fair Value (in dollars per share)
Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Increase in Estimated Potential Future Awards, Weighted Average Grant Date Fair Value
Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Increase in Estimated Potential Future Awards, Weighted Average Grant Date Fair Value
Deferred Stock Awards Vested, Weighted-Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Deferred Stock Awards Forfeited, Weighted Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Unvested Deferred Stock Awards, Weighted-Average Grant Date Fair Value at end of year (in dollars per share)
Total Grant Date Fair Value of Shares Vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Share-based Liability Awards Paid
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid During Period
The liabilities paid during the accounting period for equity-based compensation.
Net Shares Granted (in shares)
Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Net Shares Granted
The number of share grants, net of shares surrendered for taxes, made on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
Grant Date Fair Value (in dollars per share)
Unvested Shares (in shares)
Vesting percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Unconsolidated Joint Ventures
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Schedule III - Real Estate Assets and Accumulated Depreciation
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Text Block]
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Schedule of Notional Amounts of Outstanding Derivative Positions
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Schedule of Interest Rate Derivatives
Schedule of Interest Rate Derivatives [Table Text Block]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Summary of Significant Accounting Policies
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity, Primary Beneficiary [Member]
1201 Eye Street NW Associates LLC and 1225 Eye Street, NW Associates LLC [Member]
Eye Street 1201 NW Associates LLC and Eye Street 1225, NW Associates LLC [Member]
Eye Street 1201 NW Associates LLC and Eye Street 1225, NW Associates LLC [Member]
Furniture, fixtures, and equipment [Member]
Furniture and Fixtures [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Above-Market In-Place Lease Assets [Member]
Above Market Leases [Member]
Absorption Period Costs [Member]
Absorption Period Costs [Member]
Absorption Period Costs [Member]
Intangible Lease Origination Costs (included as component of Deferred Lease Costs) [Member]
Lease Origination Costs [Member]
Lease Origination Costs [Member]
Income Statement Location [Domain]
General and administrative expenses [Member]
General and Administrative Expense [Member]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Principles, Early Adoption [Domain]
New Accounting Principles, Early Adoption [Domain]
New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption, Effect [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2015-03 [Member]
Accounting Standards Update 2015-03 [Member]
Accounting Standards Update 2015-03 [Member]
Significant Accounting Policies [Line Items]
Significant Accounting Policies [Line Items]
Significant Accounting Policies [Line Items]
Piedmont’s % Ownership of Entity
Ownership Percentage by Parent
Ownership Percentage by Parent
Interest capitalized
Interest Costs Capitalized
Intangible Lease Assets:
Finite-Lived Intangible Assets, Gross
Intangible Lease Liabilities (Below-Market In-Place Leases)
Below Market Lease, Gross
Amortization expense related to Intangible Lease Origination Costs and Absorption Period Costs
Amortization Of Intangible Lease Origination Costs And Absorption Period Costs
Amortization Of Intangible Lease Origination Costs And Absorption Period Costs
Amortization of Above-Market and Below-Market In-Place Lease intangibles as a net increase to rental revenues
Amortization of above and below Market Leases
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2016
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total
2016
Below Market Lease, Amortization Income, Next Twelve Months
2017
Below Market Lease, Amortization Income, Year Two
2018
Below Market Lease, Amortization Income, Year Three
2019
Below Market Lease, Amortization Income, Year Four
2020
Below Market Lease, Amortization Income, Year Five
Thereafter
Below Market Lease, Amortization Income, after Year Five
Total
Below Market Lease, Net
Weighted-Average Amortization Period (in years)
Finite-Lived Intangible Asset, Useful Life
Weighted-Average Amortization Period (in years)
Finite-Lived Intangible Liabilities, Weighted-Average Useful Life
Finite-Lived Intangible Liabilities, Weighted-Average Useful Life
Provision for doubtful accounts
Provision for Doubtful Accounts
Recoveries of bad debts
Valuation Allowances and Reserves, Recoveries
Amortization of deferred common area maintenance recognized
Amortization Deferred Common Area Maintenance
Amortization of deferred common area maintenance costs
Capitalized internal leasing costs
Capitalized Deferred Costs, Internal Leasing
Capitalized Deferred Costs, Internal Leasing
Amortization of deferred lease costs
Amortization of Deferred Leasing Fees
Amortization of lease incentive
Amortization of Lease Incentives
Amortization of fair value adjustments
Amortization for Estimated Fair Value Adjustment for Debt Assumed
Amortization for Estimated Fair Value Adjustment for Debt Assumed
Amortization of debt discount
Amortization of Debt Discount (Premium)
Reclassification of deferred financing costs
Deferred Finance Costs, Net
Reduction of unsecured debt
Reduction of secured debt
Amortization of deferred financing costs and fair market value adjustments on notes payable
Amortization of Financing Costs
Number of votes for each share of common stock
Common Stock, Voting Rights, Number of Votes for Each Share
Common Stock, Voting Rights, Number of Votes for Each Share
Stock repurchase program, authorized amount
Stock Repurchase Program, Authorized Amount
Stock repurchase program, remaining authorized repurchase amount
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Dividend reinvestment plan, shareholders discount
Dividend Reinvestment Plan, Shareholders Discount
Dividend Reinvestment Plan, Shareholders Discount
Number of class action lawsuits settled
Number of Lawsuits as Defendant
Number of Lawsuits as Defendant
Business interruption insurance recoveries
Gain on Business Interruption Insurance Recovery
Income tax expense
Income Tax Expense (Benefit)