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	6 Months Ended
Debt, Net - Schedule of Debt (Details)	Jun. 30, 2022 USD ($) extension	Jun. 30, 2022 USD ($) extension	Dec. 31, 2021 USD ($)
Debt
Carrying Value	$ 2,177,811,000	$ 2,177,811,000	$ 2,272,304,000
Mortgage and other secured debt
Debt
Carrying Value	119,238,000	119,238,000	120,627,000
Loans payable
Debt
Net deferred financing costs	$ 4,900,000	$ 4,900,000	5,800,000
Line of Credit \| Revolving Credit Facility
Debt
Number of extensions \| extension	2	2
Extension option period (in years)		6 months
Line of credit facility, extension fee percentage		0.075%
Fixed rate mortgage debt \| Mortgage and other secured debt
Debt
Carrying Value	$ 85,708,000	$ 85,708,000	86,960,000
Weighted average interest rate (as a percent)	4.07%	4.07%
Fixed rate mortgage debt \| Mortgage and other secured debt \| Minimum
Debt
Interest rate	3.82%	3.82%
Fixed rate mortgage debt \| Mortgage and other secured debt \| Maximum
Debt
Interest rate	4.62%	4.62%
Variable-rate secured debt \| Mortgage and other secured debt
Debt
Carrying Value	$ 33,530,000	$ 33,530,000	33,667,000
Variable-rate secured debt \| Mortgage and other secured debt \| London Interbank Offered Rate (LIBOR)
Debt
Weighted average interest rate (as a percent)	2.58%	2.58%
Variable-rate secured debt \| Mortgage and other secured debt \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.45%
Variable-rate secured debt \| Mortgage and other secured debt \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.55%
Revolving Credit Facility
Debt
Carrying Value	$ 181,000,000	$ 181,000,000	76,000,000
Aggregate additional borrowing capacity available	$ 500,000,000	$ 500,000,000
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt
Weighted average interest rate (as a percent)	2.38%	2.38%
Revolving Credit Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		0.775%
Revolving Credit Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.45%
Term Loan Facility
Debt
Carrying Value	$ 99,904,000	$ 99,904,000	299,420,000
Repayments of long-term debt	$ 200,000,000
Term Loan Facility \| London Interbank Offered Rate (LIBOR)
Debt
Interest rate	2.31%	2.31%
Term Loan Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.00%
Term Loan Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.65%
2.25%, $400,000 aggregate principal \| Unsecured senior notes
Debt
Interest rate	2.25%	2.25%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	396,013,000	396,013,000	395,491,000
Unamortized discount included in carrying value	$ 3,200,000	$ 3,200,000	3,600,000
Effective interest rate on debt	2.48%	2.48%
2.00%, $400,000 aggregate principal \| Unsecured senior notes
Debt
Interest rate	2.00%	2.00%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	396,749,000	396,749,000	396,512,000
Unamortized discount included in carrying value	$ 2,300,000	$ 2,300,000	2,500,000
Effective interest rate on debt	2.09%	2.09%
2.75%, $600,000 aggregate principal \| Unsecured senior notes
Debt
Interest rate	2.75%	2.75%
Debt instrument, face amount	$ 600,000,000	$ 600,000,000
Carrying Value	589,588,000	589,588,000	589,060,000
Unamortized discount included in carrying value	$ 9,000,000	$ 9,000,000	9,500,000
Effective interest rate on debt	2.94%	2.94%
2.90%, $400,000 aggregate principal \| Unsecured senior notes
Debt
Interest rate	2.90%	2.90%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	394,643,000	394,643,000	394,441,000
Unamortized discount included in carrying value	$ 4,400,000	$ 4,400,000	4,500,000
Effective interest rate on debt	3.01%	3.01%
Unsecured note payable
Debt
Interest rate	0.00%	0.00%
Carrying Value	$ 676,000	$ 676,000	753,000
Unamortized discount included in carrying value	$ 85,000	$ 85,000	$ 108,000