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v3.19.1

Revenues from Contracts with Customers (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | $ 75,147,000 | $ 53,844,000 |
Total revenue | 362,991,000 | 815,053,000 |
Receivables related to revenue from contracts with customers | 49,600,000 |  | $ 1,700,000
Impairment losses on receivables | 0 |  |
Deferred revenue related to contracts with customers | 11,500,000 |  |
Revenue recognized | 8,000,000 |  |
Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 356,202,000 |  |
Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 6,789,000 |  |
Commissions, net |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 62,755,000 |  |
Workflow technology |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 8,872,000 |  |
Analytics |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 3,520,000 |  |
Other sources of revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 287,844,000 |  |
Market Making |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 5,000,000 |  |
Total revenue | 279,221,000 | 432,536,000 |
Market Making | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 279,221,000 |  |
Market Making | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 |  |
Market Making | Commissions, net |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 5,000,000 |  |
Market Making | Workflow technology |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Market Making | Analytics |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Market Making | Other sources of revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 274,221,000 |  |
Execution Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 70,147,000 |  |
Total revenue | 83,518,000 | 383,779,000 |
Execution Services | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 76,729,000 |  |
Execution Services | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 6,789,000 |  |
Execution Services | Commissions, net |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 57,755,000 |  |
Execution Services | Workflow technology |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 8,872,000 |  |
Execution Services | Analytics |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 3,520,000 |  |
Execution Services | Other sources of revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 13,371,000 |  |
Corporate |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Total revenue | 252,000 | $ (1,262,000) |
Corporate | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 252,000 |  |
Corporate | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 |  |
Corporate | Commissions, net |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Corporate | Workflow technology |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Corporate | Analytics |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contract with customers | 0 |  |
Corporate | Other sources of revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 252,000 |  |

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