XML 22 R48.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Real Estate Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015
Consolidated real estate joint ventures |
Investments in consolidated real estate joint ventures |
Total Assets | $ 208,769 us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember
Encumbered Assets | 114,414 us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember
Total Liabilities | 82,014 us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember
LW Redstone Company, LLC |
Investments in consolidated real estate joint ventures |
Buildings Operated by Joint Ventures Number | 4 ofc_BuildingsOperatedbyJointVenturesNumber / us-gaap_CounterpartyNameAxis = ofc_LwRedstoneCompanyLlcMember
LW Redstone Company, LLC | Variable Interest Entity, Primary Beneficiary [Member] |
Investments in consolidated real estate joint ventures |
Ownership (as a percent) | 85.00%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_CounterpartyNameAxis = ofc_LwRedstoneCompanyLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Total Assets | 149,098 us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets / us-gaap_CounterpartyNameAxis = ofc_LwRedstoneCompanyLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Encumbered Assets | 65,934 us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate / us-gaap_CounterpartyNameAxis = ofc_LwRedstoneCompanyLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Total Liabilities | 43,314 us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities / us-gaap_CounterpartyNameAxis = ofc_LwRedstoneCompanyLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
M Square Associates, LLC |
Investments in consolidated real estate joint ventures |
Buildings Operated by Joint Ventures Number | 2 ofc_BuildingsOperatedbyJointVenturesNumber / us-gaap_CounterpartyNameAxis = ofc_MSquareAssociatesLlcMember
M Square Associates, LLC | Variable Interest Entity, Primary Beneficiary [Member] |
Investments in consolidated real estate joint ventures |
Ownership (as a percent) | 50.00%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_CounterpartyNameAxis = ofc_MSquareAssociatesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Total Assets | 59,671 us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets / us-gaap_CounterpartyNameAxis = ofc_MSquareAssociatesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Encumbered Assets | 48,480 us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate / us-gaap_CounterpartyNameAxis = ofc_MSquareAssociatesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Total Liabilities | $ 38,700 us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities / us-gaap_CounterpartyNameAxis = ofc_MSquareAssociatesLlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember

X
- Definition Buildings Operated by Joint Ventures Number + References No definition available. + Details
Name: | ofc_BuildingsOperatedbyJointVenturesNumber
Namespace Prefix: | ofc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ofc_ConsolidatedJointVenturesDisclosureAbstract
Namespace Prefix: | ofc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729 + Details
Name: | us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685 + Details
Name: | us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685 + Details
Name: | us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CounterpartyNameAxis=ofc_LwRedstoneCompanyLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=ofc_MSquareAssociatesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |