Segment Operating Results - Revenues Derived from Clients by Geographical Areas (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Net Revenues	$ 581,762	$ 826,437	$ 1,968,859	$ 2,161,857
United States [Member]
Segment Reporting Information [Line Items]
Net Revenues	374,571	659,158	1,408,491	1,648,128
Europe And Other [Member]
Segment Reporting Information [Line Items]
Net Revenues	206,893	165,065	553,926	508,796
Latin America [Member]
Segment Reporting Information [Line Items]
Net Revenues	$ 298	$ 2,214	$ 6,442	$ 4,933