SEGMENT AND GEOGRAPHICAL INFORMATION - Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 3,960,645	$ 5,057,270
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	3,721,597	4,963,335
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 239,048	$ 93,935

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details