Accumulated Other Comprehensive Income (Amounts Reclassified from AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Acceleration of 2020 Swap	$ 34,610	$ 32,848	$ 28,569
Total	102,784	32,030	71,451
Interest Rate Swap | Reclassification out of Accumulated Other Comprehensive Loss | Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest Expense - Amortization of IRPAs	410	410	233
Interest Expense - Settlement Payments	6,421	6,516	(1,217)
Acceleration of 2020 Swap	0	201	0
Total	$ 6,831	$ 7,127	$ (984)