Summary of Significant Accounting Policies - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue
Revenues	$ 2,470,368	$ 2,705,527	$ 2,906,443
U.S.
Disaggregation of Revenue
Revenues	2,161,090	2,514,477	2,775,556
U.K.
Disaggregation of Revenue
Revenues	154,380	57,552	48,061
Other
Disaggregation of Revenue
Revenues	$ 154,898	$ 133,498	$ 82,826