COPT Defense Properties Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Construction Contract and Other Service Revenues - Narrative (Details)

Construction Contract and Other Service Revenues - Narrative (Details) - Construction Contract Revenue - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Deferred incremental costs			$ 0	$ 0
Credit loss recoveries	$ 369,000	$ 461,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details