Segment Information (Summary of Inter-segment Eliminations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues, net	$ 3,077,608	$ 2,814,956	$ 3,060,321
Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	(14,325)	(19,675)	(30,845)
Corporate / Inter-segment Eliminations | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	(10,584)	(15,852)	(26,639)
Corporate / Inter-segment Eliminations | International and Other
Segment Reporting Information [Line Items]
Revenues, net	$ (3,741)	$ (3,823)	$ (4,206)