v3.22.0.1
REVENUE - Revenue Disaggregated by Revenue Sources (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]      
Securities lending $ 137,153 $ 98,165 $ 6,380
Margin interest 131,823 66,781 19,104
Interest on segregated cash and securities 4,023 13,401 36,281
Other interest revenue 4,181 3,972 9,865
Interest expenses related to credit facilities (20,218) (4,882) (991)
Net interest revenues 256,962 177,437 70,639
Total net revenues 1,815,143 958,833 277,533
Options      
Disaggregation of Revenue [Line Items]      
Revenues 688,899 440,070 110,656
Cryptocurrencies      
Disaggregation of Revenue [Line Items]      
Revenues 419,382 26,708 9,487
Equities      
Disaggregation of Revenue [Line Items]      
Revenues 287,734 251,200 50,688
Other      
Disaggregation of Revenue [Line Items]      
Revenues 6,335 2,155 0
Transaction-based revenues      
Disaggregation of Revenue [Line Items]      
Revenues 1,402,350 720,133 170,831
Other revenues      
Disaggregation of Revenue [Line Items]      
Revenues $ 155,831 $ 61,263 $ 36,063