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Regulatory Capital Requirements (Tables) - Tradeweb Markets LLC | 12 Months Ended
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Dec. 31, 2018
Entity Information [Line Items] |
Schedule of regulatory capital requirements | At December 31, 2018 and December 31, 2017, the regulatory capital requirements and regulatory capital for TWL, DW, TWD, TEL and TWJ were as follows (in thousands):
Predecessor |  | TWL |  | DW |  | TWD |  | TEL |  | TWJ |
As of December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Capital |  | $ | 22,551 |  | $ | 35,546 |  | $ | 16,965 |  | $ | 31,509 |  | $ | 5,326 |
Regulatory Capital Requirement |  |  | 1,589 |  |  | 1,612 |  |  | 378 |  |  | 18,034 |  |  | 961 |
Excess Regulatory Capital |  | $ | 20,962 |  | $ | 33,934 |  | $ | 16,587 |  | $ | 13,475 |  | $ | 4,365 |
Successor |  | TWL |  | DW |  | TWD |  | TEL |  | TWJ
As of December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Capital |  | $ | 18,986 |  | $ | 41,164 |  | $ | 24,042 |  | $ | 46,157 |  | $ | 10,592
Regulatory Capital Requirement |  |  | 2,698 |  |  | 1,803 |  |  | 599 |  |  | 17,493 |  |  | 3,413
Excess Regulatory Capital |  | $ | 16,288 |  | $ | 39,361 |  | $ | 23,443 |  | $ | 28,664 |  | $ | 7,179
Schedule of financial resources and liquid financial resources | The required and maintained financial resources and liquid financial assets at December 31, 2018 and December 31, 2017 are as follows (in thousands):
|  | Successor |  | Predecessor
|  | As of December 31, 2018 |  | As of December 31, 2017
|  | TW SEF |  | DW SEF |  | TW SEF |  | DW SEF
Financial Resources |  | $ | 31,232 |  | $ | 17,837 |  | $ | 23,349 |  | $ | 20,069
Required Financial Resources |  |  | 10,500 |  |  | 5,169 |  |  | 10,500 |  |  | 5,875
Excess Financial Resources |  | $ | 20,732 |  | $ | 12,668 |  | $ | 12,849 |  | $ | 14,194
Liquid Financial Assets |  | $ | 16,662 |  | $ | 11,888 |  | $ | 14,084 |  | $ | 13,865
Required Liquid Financial Assets |  |  | 5,250 |  |  | 2,585 |  |  | 5,250 |  |  | 2,893
Excess Liquid Financial Assets |  | $ | 11,412 |  | $ | 9,303 |  | $ | 8,834 |  | $ | 10,972

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the regulatory capital requirements and regulatory capital for entities subject to regulation. + References No definition available. + Details
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- Definition Tabular disclosure of minimum financial requirements for commodities brokers, known as futures commission merchants (FCMs) including the risk-based requirement, and the amount of adjusted net capital required by a registered futures association of which it is a member. + References No definition available. + Details
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