Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
0 Months Ended |
Dec. 31, 2014
|
Sep. 30, 2014
|
Jun. 30, 2014
|
Mar. 31, 2014
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Jan. 30, 2012
Property
|
Jul. 24, 2012
Property
|
Dec. 12, 2013
Property
|
Dec. 23, 2013
Property
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Revenue from real estate operations |
|
|
|
|
|
|
|
|
$ (14)us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
|
$ 37,636us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
|
$ 58,801us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
|
|
|
|
|
Property operating expenses |
|
|
|
|
|
|
|
|
135ofc_DisposalGroupIncludingDiscontinuedOperationPropertyOperatingExpense
|
(13,505)ofc_DisposalGroupIncludingDiscontinuedOperationPropertyOperatingExpense
|
(21,529)ofc_DisposalGroupIncludingDiscontinuedOperationPropertyOperatingExpense
|
|
|
|
|
Depreciation and amortization |
|
|
|
|
|
|
|
|
0ofc_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortizationForRealEstateOperations
|
(4,505)ofc_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortizationForRealEstateOperations
|
(13,939)ofc_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortizationForRealEstateOperations
|
|
|
|
|
Impairment losses |
|
|
|
|
|
|
|
|
(3)ofc_ImpairmentOfPropertiesToBeDisposedDiscontinuedOperations
|
(26,190)ofc_ImpairmentOfPropertiesToBeDisposedDiscontinuedOperations
|
(23,232)ofc_ImpairmentOfPropertiesToBeDisposedDiscontinuedOperations
|
|
|
|
|
General, administrative and leasing expenses |
|
|
|
|
|
|
|
|
0ofc_DisposalGroupIncludingDiscontinuedOperationsGeneralAndAdministrativeAndLeasingExpenses
|
(4)ofc_DisposalGroupIncludingDiscontinuedOperationsGeneralAndAdministrativeAndLeasingExpenses
|
(3)ofc_DisposalGroupIncludingDiscontinuedOperationsGeneralAndAdministrativeAndLeasingExpenses
|
|
|
|
|
Business development and land carry costs |
|
|
|
|
|
|
|
|
0ofc_DisposalGroupIncludingDiscontinuedOperationBusinessDevelopmentAndLandCarryCosts
|
0ofc_DisposalGroupIncludingDiscontinuedOperationBusinessDevelopmentAndLandCarryCosts
|
(24)ofc_DisposalGroupIncludingDiscontinuedOperationBusinessDevelopmentAndLandCarryCosts
|
|
|
|
|
Interest expense |
|
|
|
|
|
|
|
|
0us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
|
(8,221)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
|
(10,397)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
|
|
|
|
|
Gain on sales of real estate |
|
|
|
|
|
|
|
|
24ofc_DiscontinuedOperationGainLossOnSaleOfRealEstate
|
2,671ofc_DiscontinuedOperationGainLossOnSaleOfRealEstate
|
20,940ofc_DiscontinuedOperationGainLossOnSaleOfRealEstate
|
|
|
|
|
Gain (loss) on early extinguishment of debt |
|
|
|
|
|
|
|
|
(116)ofc_DisposalGroupIncludingDiscontinuedOperationGainsLossesOnExtinguishmentOfDebt
|
67,810ofc_DisposalGroupIncludingDiscontinuedOperationGainsLossesOnExtinguishmentOfDebt
|
1,736ofc_DisposalGroupIncludingDiscontinuedOperationGainsLossesOnExtinguishmentOfDebt
|
|
|
|
|
Discontinued operations |
22us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
191us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
(198)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
11us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
71,907us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
(12,974)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
(4,502)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
1,261us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
26us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
55,692us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
12,353us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
|
|
|
|
|
Assets held for sale, net |
14,339us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
|
|
|
0us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
|
|
|
14,339us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
0us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
|
|
|
|
|
White Marsh Portfolio Disposition Property |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of properties sold |
|
|
|
|
|
|
|
|
|
|
|
5ofc_NumberOfRealEstatePropertiesSold / ofc_RealEstatePropertyDisposalAxis = ofc_WhiteMarshPortfolioDispositionPropertyMember
|
|
|
|
July 2012 Portfolio Disposition |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of properties sold |
|
|
|
|
|
|
|
|
|
|
|
|
23ofc_NumberOfRealEstatePropertiesSold / ofc_RealEstatePropertyDisposalAxis = ofc_JulyPortfolioDispositionMember
|
|
|
December 2013 Colorado Springs Portfolio Disposition |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of properties sold |
|
|
|
|
|
|
|
|
|
|
|
|
|
15ofc_NumberOfRealEstatePropertiesSold / ofc_RealEstatePropertyDisposalAxis = ofc_December2013ColoradoSpringsPortfolioDispositionMember
|
|
Baltimore and Washington Corridor |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of properties transferred |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9ofc_NumberofRealEstatePropertiesTitleTransfertoLender / ofc_RealEstatePropertyDisposalAxis = ofc_BaltimoreAndWashingtonCorridorMember
|
Colorado Springs |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of properties transferred |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5ofc_NumberofRealEstatePropertiesTitleTransfertoLender / ofc_RealEstatePropertyDisposalAxis = ofc_ColoradoSpringsMember
|
Greater Baltimore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of land parcels held-for-sale |
2ofc_NumberofRealEstatePropertiesAssetsHeldforsale / ofc_RealEstatePropertyDisposalAxis = ofc_GreaterBaltimoreMember
|
|
|
|
|
|
|
|
2ofc_NumberofRealEstatePropertiesAssetsHeldforsale / ofc_RealEstatePropertyDisposalAxis = ofc_GreaterBaltimoreMember
|
|
|
|
|
|
|
Assets held for sale, net |
$ 14,339us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / ofc_RealEstatePropertyDisposalAxis = ofc_GreaterBaltimoreMember
|
|
|
|
|
|
|
|
$ 14,339us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / ofc_RealEstatePropertyDisposalAxis = ofc_GreaterBaltimoreMember
|
|
|
|
|
|
|