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

Quarterly report pursuant to Section 13 or 15(d)

Debt, Net - Schedule of Debt (Details)

Debt, Net - Schedule of Debt (Details)	3 Months Ended
Debt, Net - Schedule of Debt (Details)	Mar. 31, 2023 USD ($) extension	Dec. 31, 2022 USD ($)
Debt
Carrying Value	$ 2,123,012,000	$ 2,231,794,000
Mortgage and other secured debt
Debt
Carrying Value	101,166,000	117,751,000
Loans payable
Debt
Net deferred financing costs	$ 5,100,000	5,400,000
Line of Credit \| Revolving Credit Facility
Debt
Number of extensions \| extension	2
Extension option period (in years)	6 months
Line of credit facility, extension fee percentage	0.0625%
Fixed rate mortgage debt \| Mortgage and other secured debt
Debt
Carrying Value	$ 67,954,000	84,433,000
Weighted average interest rate (as a percent)	4.10%
Fixed rate mortgage debt \| Mortgage and other secured debt \| Minimum
Debt
Interest rate	3.82%
Fixed rate mortgage debt \| Mortgage and other secured debt \| Maximum
Debt
Interest rate	4.62%
Variable rate secured debt \| Mortgage and other secured debt
Debt
Carrying Value	$ 33,212,000	33,318,000
Variable rate secured debt \| Mortgage and other secured debt \| Secured Overnight Financing Rate
Debt
Variable rate, additional spread	0.10%
Weighted average interest rate (as a percent)	6.20%
Variable rate secured debt \| Mortgage and other secured debt \| Secured Overnight Financing Rate \| Interest rate swaps
Debt
Weighted average interest rate (as a percent)	2.45%
Variable rate secured debt \| Mortgage and other secured debt \| Minimum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	1.45%
Variable rate secured debt \| Mortgage and other secured debt \| Maximum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	1.55%
Revolving Credit Facility
Debt
Carrying Value	$ 118,000,000	211,000,000
Revolving Credit Facility \| Secured Overnight Financing Rate
Debt
Variable rate, additional spread	0.10%
Weighted average interest rate (as a percent)	5.84%
Revolving Credit Facility \| Minimum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	0.725%
Revolving Credit Facility \| Maximum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	1.40%
Term Loan Facility
Debt
Carrying Value	$ 124,034,000	123,948,000
Number of extensions \| extension	2
Extension option period (in years)	12 months
Line of credit facility, extension fee percentage	0.125%
Term Loan Facility \| Secured Overnight Financing Rate
Debt
Interest rate	6.07%
Variable rate, additional spread	0.10%
Term Loan Facility \| Minimum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	0.85%
Term Loan Facility \| Maximum \| Secured Overnight Financing Rate
Debt
Variable rate, spread	1.70%
2.25%, $400,000 aggregate principal \| Unsecured Senior Notes
Debt
Interest rate	2.25%
Debt instrument, face amount	$ 400,000,000
Carrying Value	396,805,000	396,539,000
Unamortized discount included in carrying value	$ 2,600,000	2,800,000
Effective interest rate on debt	2.48%
2.00%, $400,000 aggregate principal \| Unsecured Senior Notes
Debt
Interest rate	2.00%
Debt instrument, face amount	$ 400,000,000
Carrying Value	397,108,000	396,988,000
Unamortized discount included in carrying value	$ 2,100,000	2,100,000
Effective interest rate on debt	2.09%
2.75%, $600,000 aggregate principal \| Unsecured Senior Notes
Debt
Interest rate	2.75%
Debt instrument, face amount	$ 600,000,000
Carrying Value	590,392,000	590,123,000
Unamortized discount included in carrying value	$ 8,300,000	8,500,000
Effective interest rate on debt	2.94%
2.90%, $400,000 aggregate principal \| Unsecured Senior Notes
Debt
Interest rate	2.90%
Debt instrument, face amount	$ 400,000,000
Carrying Value	394,951,000	394,848,000
Unamortized discount included in carrying value	$ 4,100,000	4,200,000
Effective interest rate on debt	3.01%
Unsecured note payable
Debt
Interest rate	0.00%
Carrying Value	$ 556,000	597,000
Unamortized discount included in carrying value	$ 55,000	$ 65,000