XML 161 R136.htm IDEA: XBRL DOCUMENT v3.20.4
Geographic Information and Business Segments - Segments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]      
Total revenue $ 3,239,331 $ 1,517,492 $ 1,878,718
Income (loss) before income taxes and noncontrolling interest 1,382,837 (115,982) 696,363
Operating Segments | Market Making      
Segment Reporting Information [Line Items]      
Total revenue 2,593,342 1,028,094 1,384,475
Income (loss) before income taxes and noncontrolling interest 1,241,313 109,190 422,648
Operating Segments | Execution Services      
Segment Reporting Information [Line Items]      
Total revenue 650,143 491,736 496,333
Income (loss) before income taxes and noncontrolling interest 174,617 (126,931) 325,043
Segment Reconciling Items | Corporate      
Segment Reporting Information [Line Items]      
Total revenue (4,154) (2,338) (2,090)
Income (loss) before income taxes and noncontrolling interest $ (33,093) $ (98,241) $ (51,328)