Goodwill and Intangible Assets - Schedule of Finite Lived Intangible Assets Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 31,777	$ 147,480
Additions	129,596	192
Amortization expense	(72,135)	(115,613)	$ (166,400)
Other	(6,661)	(282)
Ending balance	82,577	31,777	147,480
Client relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	284	85,615
Additions	101,839	0
Amortization expense	(46,943)	(85,331)
Other	(5,324)	0
Ending balance	49,856	284	85,615
Trademarks and domain names
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	30,755	60,533
Additions	24,877	0
Amortization expense	(24,485)	(29,778)
Other	(1,337)	0
Ending balance	29,810	30,755	60,533
Patented technologies
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	0	0
Additions	0	0
Amortization expense	0	0
Other	0	0
Ending balance	0	0	0
Covenants not to compete
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	738	1,332
Additions	2,880	192
Amortization expense	(707)	(504)
Other		(282)
Ending balance	$ 2,911	$ 738	$ 1,332