XML 38 R86.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Share-Based Compensation and Employee Benefit Plans Share-Based Compensation and Employee Benefit Plans (Details 4) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Maximum percentage of compensation employees can contribute to the 401K plan | 90.00% |  |
Minimum age of participants who are eligible to contribute an additional portion of their annual compensation | 50 years |  |
Employer matching contribution for the first 1% of the participants' eligible compensation (as a percent) | 100.00% |  |
Maximum percentage of participants' compensation eligible for 100% employer matching contribution (as a percent) | 1.00% |  |
Employer matching contribution for the next 5% after first 1% of the participants' eligible compensation (as a percent) | 50.00% |  |
Maximum percentage of participants' compensation eligible for 50% employer matching contribution (as a percent) | 5.00% |  |
Employer's aggregate matching contribution for the first 6% of the participants' eligible compensation (as a percent) | 3.50% |  |
Maximum percentage of participants' compensation eligible for 3.5% aggregate employer matching contribution | 6.00% |  |
Participants' vesting portion in employer matching contribution after one year of credited service (as a percent) | 50.00% |  |
Period of credited service after which participants are 50% vested in employer matching contribution | 1 year |  |
Participants' vesting portion in employer matching contribution after two years of credited service (as a percent) | 100.00% |  |
Period of credited service after which participants are 100% vested in employer matching contribution | 2 years |  |
Matching contribution under the plan | $ 1.1 | $ 1.1 | $ 1.1

X
- Definition Represents the maximum percentage that the employer may contribute in matching contributions to a defined contribution plan on the first six percent of compensation contributions by an employee, under the terms of the plan. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanAggregateEmployerMatchingContribution
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of the employer matching contribution to the participant's next five percent of compensation contribution, after first one percent of contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanEmployerMatchingConributionToEmployeePercentageUpToFivePercentAfterFirstOnePercentContributionByParticipant
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of the employer's matching contribution to the first one percent of pre-tax and/or after-tax contribution that participants contribute to the defined contribution plan. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanEmployerMatchingContributionForFirstOnePercentContributionByParticipant
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum percentage of compensation employees are permitted to contribute to the entity's 401K plan. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanMaximumPercentageOfEmployeesCompensationContributionTo401KPlan
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum percentage of participants' compensation eligible for one hundred percent employer matching contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanMaximumPercentageOfParticipantCompensationEligibleFor100PercentEmployerMatchingContribution
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum percentage of participants' compensation eligible for 3.5 percent employer matching contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanMaximumPercentageOfParticipantCompensationEligibleFor35PercentOfEmployerMatchingContribution
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum age of participants, who are eligible to contribute an additional portion of their annual compensation on a before-tax basis as catch-up contributions, up to the annual limit under the Internal Revenue Code of 1986. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanMinimumParticipantsAgeForAdditionalContribution
Namespace Prefix: | ofc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum percentage of participants' compensation eligible for fifty percent employer matching contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanPercentageOfParticipantCompensationMartchedFiftyPercentByEmployer
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the extent to which the participants are vested represented in percentage, in employer matching contribution after one year of credited service. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanVestingPercentageAfterOneYearOfCreditService
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the extent to which the participants are vested, represented in percentage, in employer matching contribution after two years of credited service. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanVestingPercentageAfterTwoYearsOfCreditedService
Namespace Prefix: | ofc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period of credited service after which participants are fifty percent vested in employer matching contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanVestingPeriodForFiftyPercentInEmployerMatchingContribution
Namespace Prefix: | ofc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period of credited service after which participants are hundred percent vested in employer matching contribution. + References No definition available. + Details
Name: | ofc_DefinedContributionPlanVestingPeriodForOneHundredPercentInEmployerMatchingContribution
Namespace Prefix: | ofc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration