Derivative Financial Instruments - Changes in Fair Value of Derivative Contracts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax:
Net loss (gain) recognized in other comprehensive loss	$ (14,648)	$ 6,919	$ 6,071
Gain recognized in earnings	900	(600)
Interest rate swap agreements
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax:
Gain recognized in earnings	(746)	(145)
Derivative contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax:
Beginning balance	15,989	9,238
Loss (gain) recognized in other comprehensive loss	(2,714)	8,465
Amounts reclassified from other comprehensive loss to earnings	(12,529)	(1,569)
Net loss (gain) recognized in other comprehensive loss	(15,243)	6,896
Ending balance	$ 0	$ 15,989	$ 9,238