Consolidated Statements of Equity (USD $) In Thousands, except Share data, unless otherwise specified
|
Total
USD ($)
|
Preferred Shares
USD ($)
|
Common Shares
USD ($)
|
Additional Paid-in Capital
USD ($)
|
Cumulative Distributions in Excess of Net Income
USD ($)
|
Accumulated Other Comprehensive Income (Loss)
USD ($)
|
Noncontrolling Interests
USD ($)
|
Corporate Office Properties, L.P.
USD ($)
|
Corporate Office Properties, L.P.
Common Shares
USD ($)
|
Corporate Office Properties, L.P.
Accumulated Other Comprehensive Income (Loss)
USD ($)
|
Corporate Office Properties, L.P.
Noncontrolling Interests
USD ($)
|
Corporate Office Properties, L.P.
Limited Partner
|
Corporate Office Properties, L.P.
Limited Partner
Preferred Shares
USD ($)
|
Corporate Office Properties, L.P.
General Partner
|
Corporate Office Properties, L.P.
General Partner
Preferred Shares
USD ($)
|
Balance (COPT: 87,394,512 shares and 93,255,284 shares as of December 31, 2013 and 2014, respectively) at Dec. 31, 2013 |
$ 1,497,249us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
$ 249,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
$ 874us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
$ 1,814,015us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
$ (641,868)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
$ 3,480us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
$ 71,665us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
$ 1,497,249us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
$ 1,226,318us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
$ 3,605us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
$ 9,443us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
$ 8,800us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
$ 249,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Balance (in units/ shares) at Dec. 31, 2013 |
87,394,512us-gaap_CommonStockSharesOutstanding
|
|
|
|
|
|
|
|
91,372,212us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Balance (preferred units) at Dec. 31, 2013 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
9,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 48,498 shares and 158,000 shares for the three months ended March 31, 2014 and 2015, respectively) |
0us-gaap_StockIssuedDuringPeriodValueConversionOfUnits
|
|
0us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
651us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
(651)us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Exercise of share options (in units/shares) |
26,614us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
|
|
|
|
|
|
|
|
26,614us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Exercise of share options (COPT: 26,614 shares and 70,374 shares for the three months ended March 31, 2014 and 2015, respectively) |
568us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
|
|
|
568us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
568us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
568us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
125,307us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
|
|
|
|
|
|
|
|
125,307us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 125,307 and 162,370 shares issued, net of redemptions for the three months ended March 31, 2014 and 2015, respectively) |
1,856us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
|
2us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
1,854us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
1,856us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
1,856us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Redemption of vested equity awards (in units/shares) |
|
|
|
|
|
|
|
|
0us-gaap_StockRepurchasedDuringPeriodShares / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Redemption of vested equity awards |
(1,092)us-gaap_StockRepurchasedDuringPeriodValue
|
|
|
(1,092)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
(1,092)us-gaap_StockRepurchasedDuringPeriodValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
(1,092)us-gaap_StockRepurchasedDuringPeriodValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
|
|
|
(69)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
69us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Comprehensive income |
3,741ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments
|
|
|
|
4,741ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
(1,408)ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
408ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
3,741ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
279ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
(1,472)ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
279ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
165ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
4,490ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Dividends / Distributions to owners of common and preferred units |
(28,581)us-gaap_Dividends
|
|
|
|
(28,581)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
|
|
(29,827)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
(25,172)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
(165)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
(4,490)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Distributions to owners of common and preferred units in COPLP |
(1,246)ofc_MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders
|
|
|
|
|
|
(1,246)ofc_MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interest |
540ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest
|
|
|
540ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
540ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
540ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Balance (COPT: 87,594,931 shares and 94,536,269 shares as of March 31, 2014 and 2015, respectively) at Mar. 31, 2014 |
1,473,035us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
249,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
876us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
1,816,467us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
(665,708)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
2,072us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
70,245us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
1,473,035us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
1,203,297us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
2,133us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
9,722us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
8,800us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
249,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Balance (in units/ shares) at Mar. 31, 2014 |
87,594,931us-gaap_CommonStockSharesOutstanding
|
|
|
|
|
|
|
|
91,524,133us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Balance (preferred units) at Mar. 31, 2014 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
9,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Balance (COPT: 87,394,512 shares and 93,255,284 shares as of December 31, 2013 and 2014, respectively) at Dec. 31, 2014 |
1,520,884us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
199,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
933us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
1,969,968us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
(717,264)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
(1,297)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
69,461us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
1,520,884us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
1,305,219us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
(1,381)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
9,163us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
8,800us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
199,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Balance (in units/ shares) at Dec. 31, 2014 |
93,255,284us-gaap_CommonStockSharesOutstanding
|
|
|
|
|
|
|
|
97,092,835us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
3,837,551us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
|
|
93,255,284us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
|
|
Balance (preferred units) at Dec. 31, 2014 |
|
|
|
|
|
|
|
|
|
|
|
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 / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
7,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
|
7,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 48,498 shares and 158,000 shares for the three months ended March 31, 2014 and 2015, respectively) |
0us-gaap_StockIssuedDuringPeriodValueConversionOfUnits
|
|
2us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
2,120us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
(2,122)us-gaap_StockIssuedDuringPeriodValueConversionOfUnits / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (in units) |
|
|
|
|
|
|
|
|
890,241ofc_StockIssuedDuringPeriodSharesNewIssuesforOtherProgram / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (COPT: 890,241 shares for the three months ended March 31, 2015) |
26,535ofc_StockIssuedDuringPeriodValueNewIssuesforOtherProgram
|
|
9ofc_StockIssuedDuringPeriodValueNewIssuesforOtherProgram / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
26,526ofc_StockIssuedDuringPeriodValueNewIssuesforOtherProgram / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
26,535ofc_StockIssuedDuringPeriodValueNewIssuesforOtherProgram / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
26,535ofc_StockIssuedDuringPeriodValueNewIssuesforOtherProgram / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Exercise of share options (in units/shares) |
70,374us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
|
|
|
|
|
|
|
|
70,374us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Exercise of share options (COPT: 26,614 shares and 70,374 shares for the three months ended March 31, 2014 and 2015, respectively) |
1,845us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
|
|
|
1,845us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
1,845us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
1,845us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
162,370us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
|
|
|
|
|
|
|
|
162,370us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 125,307 and 162,370 shares issued, net of redemptions for the three months ended March 31, 2014 and 2015, respectively) |
1,829us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
|
1us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
1,828us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
1,829us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
1,829us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Redemption of vested equity awards (in units/shares) |
|
|
|
|
|
|
|
|
0us-gaap_StockRepurchasedDuringPeriodShares / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Redemption of vested equity awards |
(2,031)us-gaap_StockRepurchasedDuringPeriodValue
|
|
|
(2,031)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
(2,031)us-gaap_StockRepurchasedDuringPeriodValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
(2,031)us-gaap_StockRepurchasedDuringPeriodValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
|
|
|
(475)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
475us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Comprehensive income |
11,472ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments
|
|
|
|
13,355ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
(2,650)ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
767ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
11,472ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
10,200ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
(2,756)ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
311ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
165ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
3,552ofc_ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Dividends / Distributions to owners of common and preferred units |
(29,550)us-gaap_Dividends
|
|
|
|
(29,550)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
|
|
(30,727)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
(27,010)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
(165)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
(3,552)us-gaap_Dividends / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Distributions to owners of common and preferred units in COPLP |
(1,177)ofc_MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders
|
|
|
|
|
|
(1,177)ofc_MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in subsidiaries |
(4)ofc_MinorityInterestDecreaseFromDistributionsIncludingJointVentures
|
|
|
|
|
|
(4)ofc_MinorityInterestDecreaseFromDistributionsIncludingJointVentures / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
(4)ofc_MinorityInterestDecreaseFromDistributionsIncludingJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
|
|
(4)ofc_MinorityInterestDecreaseFromDistributionsIncludingJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interest |
(73)ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest
|
|
|
(73)ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
|
|
|
(73)ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
(73)ofc_AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
|
|
|
|
Balance (COPT: 87,594,931 shares and 94,536,269 shares as of March 31, 2014 and 2015, respectively) at Mar. 31, 2015 |
$ 1,529,730us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
$ 199,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
$ 945us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
$ 1,999,708us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
|
$ (733,459)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember
|
$ (3,947)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
$ 67,400us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
$ 1,529,730us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
|
$ 1,316,514us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
$ (4,137)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
|
$ 9,470us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
|
|
$ 8,800us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
|
$ 199,083us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
Balance (in units/ shares) at Mar. 31, 2015 |
94,536,269us-gaap_CommonStockSharesOutstanding
|
|
|
|
|
|
|
|
98,215,820us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
|
|
|
3,679,551us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
|
|
94,536,269us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
|
|
Balance (preferred units) at Mar. 31, 2015 |
|
|
|
|
|
|
|
|
|
|
|
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 / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|
7,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
|
7,431,667us-gaap_PreferredUnitsOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
|