SEGMENT INFORMATION - Revenue and Long-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue and Long-lived Assets by Geography
Revenue	$ 1,358,748	$ 1,764,355	$ 1,619,317
Long-lived assets (excluding goodwill and intangible assets)	155,498	208,872
United States
Revenue and Long-lived Assets by Geography
Revenue	1,242,092	1,660,373	1,514,930
Long-lived assets (excluding goodwill and intangible assets)	145,710	199,744
All other countries
Revenue and Long-lived Assets by Geography
Revenue	116,656	103,982	$ 104,387
Long-lived assets (excluding goodwill and intangible assets)	$ 9,788	$ 9,128