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Revenues from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Summary of Revenues from Contracts with Customers and Other Sources of Revenues | The following table presents the Company’s total revenues separated between revenues from contracts with customers and other sources of revenues (in thousands):
|  | Year Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Revenues from contracts with customers: |  |  |  |  |  |
Commissions |  | $ | 1,541,900 |  |  | $ | 1,567,668 |  |  | $ | 1,645,818 |
Data, software, and post-trade |  | 89,963 |  |  | 81,920 |  |  | 73,166 |
Fees from related parties |  | 14,856 |  |  | 25,754 |  |  | 29,442 |
Other revenues |  | 16,818 |  |  | 14,948 |  |  | 12,806 |
Total revenues from contracts with customers |  | 1,663,537 |  |  | 1,690,290 |  |  | 1,761,232 |
Other sources of revenues: |  |  |  |  |  |
Principal transactions |  | 327,761 |  |  | 351,633 |  |  | 321,923 |
Interest and dividend income |  | 21,977 |  |  | 12,332 |  |  | 18,319 |
Other revenues |  | 2,089 |  |  | 2,506 |  |  | 3,132 |
Total revenues |  | $ | 2,015,364 |  |  | $ | 2,056,761 |  |  | $ | 2,104,606 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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