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Business Combination - Narrative (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 24, 2020 | Oct. 23, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Oct. 22, 2020
Business Acquisition [Line Items] |  |  |  |  |  |
Contributions to Wynn Interactive |  |  | $ 6,238 | $ 7,745 | $ 305,372 |
Payments to purchase Wynn Interactive shares from non-controlling shareholders |  |  | $ 33,621 | $ 0 | $ 0 |
Wynn Interactive |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contributions to Wynn Interactive | $ 78,000 |  |  |  |  |
Payments to purchase Wynn Interactive shares from non-controlling shareholders | $ 33,600 |  |  |  |  |
Wynn Interactive |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percent interest held following acquisition | 100.00% |  | 72.00% |  |  |
Wynn Interactive | Betbull, WSI, and Wynn Social |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percent interest held following acquisition | 72.00% |  |  |  |  |
Betbull Acquisition |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage interest in acquiree immediately prior to acquisition |  |  |  |  |  | 22.50%
Cost method investment, book value |  |  |  |  |  | $ 21,500
Cost method investment, fair value |  |  |  |  |  | $ 37,200
Gain reflecting fair value of interest at date of acquisition |  |  | $ 15,700 |  |  |
Fair value of combined interests contributed |  | $ 49,500 |  |  |  |
Settlement of transactions from pre-existing relationship and fair value of vested replacement stock options included in consideration |  | 6,000 |  |  |  |
Fair value of non-controlling interest |  | 72,000 |  |  |  |
Property and equipment |  | 32,092 |  |  |  |
Betbull Acquisition | Software |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Property and equipment |  | $ 31,500 |  |  |  |
Estimated useful life of property and equipment |  | 3 years |  |  |  |
Betbull Acquisition | Trademarks |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible assets, useful life, years |  | 10 years | 10 years |  |  |
Betbull Acquisition | Customer Lists |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible assets, useful life, years |  | 3 years | 3 years |  |  |

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