Supplemental Disclosures of Cash Flow Information and Noncash Activities (Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Cash paid for income taxes, net of refunds received	$ 17,499	$ 3,383	$ 5,554
Cash paid for interest	$ 273,482	$ 261,127	$ 274,530