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Commitments and Contingencies (Details) (USD $)
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1 Months Ended | 0 Months Ended | |
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Aug. 31, 2010
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Apr. 15, 2015
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Mar. 31, 2015
Property
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| Tax incremental financing obligation | |||
| The amount of tax incremental financing bonds issued by Anne Arundel County, Maryland | $ 30,000,000ofc_TaxIncrementalFinancingBondsAmountIssuedByAnneArundelCountyMaryland | ||
| Liability recognized with regard to tax incremental financing obligation at end of current period | 1,400,000us-gaap_GuaranteeObligationsCurrentCarryingValue | ||
| Environmental Indemnity Agreement | |||
| Number of lease properties which were provided environmental indemnifications | 3ofc_PropertySubjectToEnvironmentalIndemnityLeaseAgreementNumberOfProperties | ||
| Environmental indemnification to the tenant against losses covered under prior owner's indemnity agreement | 5,000,000.0ofc_EnvironmentalIndemnificationToTenantAgainstLossesCoveredUnderPriorOwnerIndemnityAgreementMaximum | ||
| Maximum environmental indemnification to the tenant against consequential damages after acquisition of property | 12,500,000.0ofc_EnvironmentalIndemnificationToTenantAgainstConsequentialDamagesAfterAcquisitionOfPropertyMaximum | ||
| Additional costs agreed to be paid by the entity related to construction and environmental regulatory activities (as a percent) | 50.00%ofc_AdditionalCostsIncurredRelatedToConstructionAndEnvironmentalRegulatoryActivitiesPercentage | ||
| Maximum annual additional costs agreed to be paid by the entity related to construction and environmental regulatory activities | 300,000ofc_AdditionalCostsIncurredRelatedToConstructionAndEnvironmentalRegulatoryActivitiesMaximumPerAnnum | ||
| Maximum additional costs agreed to be paid by the entity related to construction and environmental regulatory activities | 1,500,000.0ofc_MaximumAdditionalCostsIncurredRelatedToConstructionAndEnvironmentalRegulatoryActivities | ||
| Subsequent Event | 2600 Park Tower Drive | Virginia | |||
| Other Commitments [Line Items] | |||
| Square footage of real estate properties (in square feet) |
240,000us-gaap_AreaOfRealEstateProperty / us-gaap_BusinessAcquisitionAxis = ofc_A2600ParkTowerDriveMember / us-gaap_StatementGeographicalAxis = stpr_VA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Acquired property percentage leased |
100.00%ofc_AcquiredPropertyPercentageLeased / us-gaap_BusinessAcquisitionAxis = ofc_A2600ParkTowerDriveMember / us-gaap_StatementGeographicalAxis = stpr_VA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Total acquisition cost |
$ 83,000,000us-gaap_PaymentsToAcquireRealEstate / us-gaap_BusinessAcquisitionAxis = ofc_A2600ParkTowerDriveMember / us-gaap_StatementGeographicalAxis = stpr_VA / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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- Definition
The percentage of acquired property that is leased at the time of acquisition, expressed as a percent. No definition available.
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- Definition
Represents the maximum annual additional costs agreed to be paid by the entity related to the construction and environmental regulatory activities incurred by the tenant as a result of the indemnified environmental condition of the properties. No definition available.
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- Definition
Represents the percentage of additional costs agreed to be paid by the entity related to the construction and environmental regulatory activities incurred by the tenant as a result of the indemnified environmental condition of the properties, subject to an annual and aggregate limits. No definition available.
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- Definition
Represents the maximum amount of environmental indemnification to the tenant against consequential damages after the acquisition of the property from the entity. No definition available.
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- Definition
Represents the maximum amount of environmental indemnification to the tenant against losses covered under an indemnity agreement of the prior owner of the property after the State of New Jersey declares the remediation complete. No definition available.
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- Details
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- Definition
Represents the maximum additional costs agreed to be paid by the entity related to the construction and environmental regulatory activities incurred by the tenant as a result of the indemnified environmental condition of the properties. No definition available.
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- Definition
Represents the number of lease properties in New Jersey which were provided environmental indemnifications by the entity. No definition available.
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- Definition
The bond amounts issued by Anne Arundel County, Maryland to third-party investors in order to finance public improvements needed in connection with National Business Park North. No definition available.
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- Details
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- Definition
Area of a real estate property. No definition available.
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- Definition
The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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