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Revenues from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | The following table presents the Company’s revenue from contracts with customers disaggregated by the services described above, by timing of revenue recognition, reconciled to the Company’s segments, for the three months ended March 31, 2019:
|  | Three Months Ended March 31, 2019
(in thousands) |  | Market Making |  | Execution Services |  | Corporate |  | Total
Revenues from contracts with customers: |  |  |  |  |  |  |  |
Commissions, net |  | $ | 5,000 |  |  | $ | 57,755 |  |  | $ | — |  |  | $ | 62,755 |
Workflow technology |  | — |  |  | 8,872 |  |  | — |  |  | 8,872 |
Analytics |  | — |  |  | 3,520 |  |  | — |  |  | 3,520 |
Total revenue from contract with customers |  | 5,000 |  |  | 70,147 |  |  | — |  |  | 75,147 |
Other sources of revenue |  | 274,221 |  |  | 13,371 |  |  | 252 |  |  | 287,844 |
Total Revenues |  | 279,221 |  |  | 83,518 |  |  | 252 |  |  | 362,991 |
Timing of revenue recognition: |  |  |  |  |  |  |  |
Services transferred at a point in time |  | 279,221 |  |  | 76,729 |  |  | 252 |  |  | 356,202 |
Services transferred over time |  | — |  |  | 6,789 |  |  | — |  |  | 6,789 |
Total Revenues |  | $ | 279,221 |  |  | $ | 83,518 |  |  | $ | 252 |  |  | $ | 362,991 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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