Segment Operating Results - Revenues Derived from Clients by Geographical Areas (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]
Net Revenues	$ 658,214	$ 675,770	$ 1,387,097	$ 1,335,420
United States [Member]
Segment Reporting Information [Line Items]
Net Revenues	423,189	528,322	1,033,920	988,970
Europe And Other [Member]
Segment Reporting Information [Line Items]
Net Revenues	234,968	145,117	347,033	343,731
Latin America [Member]
Segment Reporting Information [Line Items]
Net Revenues	$ 57	$ 2,331	$ 6,144	$ 2,719