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Related Party Transactions - Balances (Details) - Tradeweb Markets LLC - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
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Successor |  |
Related Party Transactions |  |
Cash and cash equivalents | $ 283,790,000 |
Receivables from brokers and dealers and clearing organizations | 3,332,000 |
Deposits with clearing organizations | 500,000 |
Accounts receivable | 40,730,000 |
Receivable from affiliates | 3,243,000 |
Other assets | 9,000 |
Payable to brokers and dealers and clearing organizations | 2,404,000 |
Deferred revenue | 9,151,000 |
Payable to affiliates | $ 5,009,000 |
Predecessor |  |
Related Party Transactions |  |
Cash and cash equivalents |  | $ 234,107,000
Deposits with clearing organizations |  | 500,000
Accounts receivable |  | 27,163,000
Receivable from affiliates |  | 375,000
Other assets |  | 27,000
Deferred revenue |  | 5,106,000
Contingent consideration payable |  | 129,393,000
Accounts payable, accrued expenses and other liabilities |  | 2,555,000
Payable to affiliates |  | $ 5,578,000

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