XML 69 R51.htm IDEA: XBRL DOCUMENT v3.25.0.1

Summary of Significant Accounting Policies - Share-Based Compensation (Details)	Dec. 31, 2024 form
Accounting Policies [Abstract]
Number of forms of share-based compensation	4

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Forms of Share-Based Compensation

+ References

No definition available.

+ Details

Name:	ofc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfFormsOfShareBasedCompensation
Namespace Prefix:	ofc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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