XML 59 R48.htm IDEA: XBRL DOCUMENT v3.23.1

Leases - Lessee Arrangements (Details) $ in Millions	Mar. 31, 2023 USD ($)
Leases [Abstract]
Carrying value of lessee right-of-use asset	$ 45.4

X

- Definition

Amount of lessee's right to use underlying asset under operating and finance leases.

+ References

No definition available.

+ Details

Name:	ofc_LesseeRightOfUseAssetCarryingValue
Namespace Prefix:	ofc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration