Segment Information (Summary of Inter-Segment Eliminations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues, net	$ 738,025	$ 771,392	$ 1,450,182	$ 1,463,133
Corporate / Inter-segment Eliminations
Segment Reporting Information [Line Items]
Revenues, net	(8,848)	(5,900)	(12,085)	(9,295)
Corporate / Inter-segment Eliminations | Domestic Operations
Segment Reporting Information [Line Items]
Revenues, net	(7,442)	(6,256)	(10,444)	(6,926)
Corporate / Inter-segment Eliminations | International and Other
Segment Reporting Information [Line Items]
Revenues, net	$ (1,406)	$ 356	$ (1,641)	$ (2,369)