Quarterly report pursuant to Section 13 or 15(d)

Redeemable Noncontrolling Interests (Details)

v2.4.1.9
Redeemable Noncontrolling Interests (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Redeemable Noncontrolling Interest [Roll Forward]    
Beginning balance $ 18,417us-gaap_RedeemableNoncontrollingInterestEquityFairValue $ 17,758us-gaap_RedeemableNoncontrollingInterestEquityFairValue
Distribution to noncontrolling interest (157)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders (68)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Net income attributable to noncontrolling interest 562ofc_RedeemableNoncontrollingInterestEquityNetIncomeLossAttributabletoNoncontrollingInterest 504ofc_RedeemableNoncontrollingInterestEquityNetIncomeLossAttributabletoNoncontrollingInterest
Adjustment to arrive at fair value of interest 73us-gaap_MinorityInterestChangeInRedemptionValue (540)us-gaap_MinorityInterestChangeInRedemptionValue
Ending balance $ 18,895us-gaap_RedeemableNoncontrollingInterestEquityFairValue $ 17,654us-gaap_RedeemableNoncontrollingInterestEquityFairValue