Segment Operating Results - Revenues Derived from Clients by Geographical Areas (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net Revenues	$ 728,883	$ 659,650
United States [Member]
Segment Reporting Information [Line Items]
Net Revenues	610,731	460,648
Europe And Other [Member]
Segment Reporting Information [Line Items]
Net Revenues	112,065	198,614
Latin America [Member]
Segment Reporting Information [Line Items]
Net Revenues	$ 6,087	$ 388