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v2.4.1.9

Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net income | $ 45,206 us-gaap_ProfitLoss | $ 101,544 us-gaap_ProfitLoss | $ 20,341 us-gaap_ProfitLoss
Other comprehensive (loss) income |  |  |
Unrealized (losses) gains on interest rate derivatives | (7,799)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax | 6,791 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax | (7,676)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
Unrealized equity in other comprehensive income of equity method investee | 0 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax | 1,070 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax | 0 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
Realized equity in other comprehensive income of equity method investee | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | (1,070)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Other comprehensive (loss) income | (4,771)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 9,531 us-gaap_OtherComprehensiveIncomeLossNetOfTax | (3,979)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive income | 40,435 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 111,075 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 16,362 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive (income) loss attributable to noncontrolling interests | (4,957)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | (8,453)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 961 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive income attributable to COPT | 35,478 us-gaap_ComprehensiveIncomeNetOfTax | 102,622 us-gaap_ComprehensiveIncomeNetOfTax | 17,323 us-gaap_ComprehensiveIncomeNetOfTax
Interest expense |  |  |
Other comprehensive (loss) income |  |  |
Losses on interest rate derivatives | 2,990 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | 2,740 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | 3,697 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember
Loss on early extinguishment of debt |  |  |
Other comprehensive (loss) income |  |  |
Losses on interest rate derivatives | 38 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember
Corporate Office Properties, L.P. |  |  |
Net income | 45,206 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 101,544 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 20,341 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Other comprehensive (loss) income |  |  |
Unrealized (losses) gains on interest rate derivatives | (7,799)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 6,791 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (7,676)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Unrealized equity in other comprehensive income of equity method investee | 0 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 1,070 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Realized equity in other comprehensive income of equity method investee | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (1,070)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Other comprehensive (loss) income | (4,771)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 9,531 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (3,979)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Comprehensive income | 40,435 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 111,075 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 16,362 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Comprehensive (income) loss attributable to noncontrolling interests | (3,492)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (4,125)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 615 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Comprehensive income attributable to COPT | 36,943 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 106,950 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 16,977 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Corporate Office Properties, L.P. | Interest expense |  |  |
Other comprehensive (loss) income |  |  |
Losses on interest rate derivatives | 2,990 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,740 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 3,697 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Corporate Office Properties, L.P. | Loss on early extinguishment of debt |  |  |
Other comprehensive (loss) income |  |  |
Losses on interest rate derivatives | $ 38 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | $ 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_IncomeStatementLocationAxis = ofc_EarlyExtinguishmentofDebtMember / dei_LegalEntityAxis = us-gaap_SubsidiariesMember

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