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

Quarterly report pursuant to Section 13 or 15(d)

Organization - Narrative 1 (Details)

Organization - Narrative 1 (Details) - Mar. 31, 2022 ft² in Millions	property	ft²	a
Unconsolidated Real Estate Joint Ventures
Investments in real estate
Number of real estate properties	19
Operating Properties
Investments in real estate
Number of real estate properties	188
Area of real estate property (in sqft or acres) \| ft²		22.0
Operating Properties \| Office Properties
Investments in real estate
Number of real estate properties	161
Area of real estate property (in sqft or acres) \| ft²		17.0
Operating Properties \| Single-tenant data centers
Investments in real estate
Number of real estate properties	27
Area of real estate property (in sqft or acres) \| ft²		5.0
Operating Properties \| Single-tenant data centers \| Unconsolidated Real Estate Joint Ventures
Investments in real estate
Number of real estate properties	19
Properties under development
Investments in real estate
Number of real estate properties	11
Area of real estate property (in sqft or acres) \| ft²		1.7
Properties under development \| Office Properties
Investments in real estate
Number of real estate properties	8
Properties under development \| Single-tenant data centers
Investments in real estate
Number of real estate properties	3
Properties under development, partially-operational
Investments in real estate
Number of real estate properties	2
Land controlled for future development
Investments in real estate
Area of real estate property (in sqft or acres)		8.7	710
Other Land
Investments in real estate
Area of real estate property (in sqft or acres) \| a			43