Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
---|---|---|
Allowance for doubtful accounts- AR | $ 717us-gaap_AllowanceForDoubtfulAccountsReceivable | $ 2,976us-gaap_AllowanceForDoubtfulAccountsReceivable |
Allowance for deferred rent receivable | 1,418ofc_AllowanceforDoubtfulAccountsDeferredRent | 2,126ofc_AllowanceforDoubtfulAccountsDeferredRent |
Common Shares of beneficial interest, par value (in dollars per share) | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare |
Common Shares of beneficial interest, shares authorized | 125,000,000us-gaap_CommonStockSharesAuthorized | 125,000,000us-gaap_CommonStockSharesAuthorized |
Common Shares of beneficial interest, shares issued | 93,255,284us-gaap_CommonStockSharesIssued | 87,394,512us-gaap_CommonStockSharesIssued |
Common Shares of beneficial interest, shares outstanding | 93,255,284us-gaap_CommonStockSharesOutstanding | 87,394,512us-gaap_CommonStockSharesOutstanding |
Corporate Office Properties, L.P. | ||
Allowance for doubtful accounts- AR |
717us-gaap_AllowanceForDoubtfulAccountsReceivable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
2,976us-gaap_AllowanceForDoubtfulAccountsReceivable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Allowance for deferred rent receivable |
$ 1,418ofc_AllowanceforDoubtfulAccountsDeferredRent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
$ 2,126ofc_AllowanceforDoubtfulAccountsDeferredRent / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
General Partner | Corporate Office Properties, L.P. | ||
Preferred Units, Outstanding |
7,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |
9,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |
Common Shares of beneficial interest, shares outstanding |
93,255,284us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |
87,394,512us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |
Limited Partner | Corporate Office Properties, L.P. | ||
Preferred Units, Outstanding |
352,000us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
352,000us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
Common Shares of beneficial interest, shares outstanding |
3,837,551us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
3,977,700us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
X | ||||||||||
- Definition
Valuation allowance for deferred rent receivables attributable to, for instance, credit risk associated with a lessee. No definition available.
|
X | ||||||||||
- Definition
For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The number of preferred units outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|