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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Revenues: Market Access Fees from Sports Wagering Agreements (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2022 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) item | Dec. 31, 2022 USD ($)
Basis Of Presentation [Line Items] |  |  |  |
Deferred revenues |  |  | $ 12,367,000 | $ 10,507,000
Revenue from Contract with Customer, Excluding Assessed Tax |  | $ 1,500,000 | 241,060,000 | 163,281,000
Liabilities in other accrued expenses |  |  | 800,000 | 700,000
Number of idle skins created each in Indiana and Colorado |  | 1 |  |
Total operating costs and expenses |  |  | $ 242,222,000 | $ 150,598,000
COLORADO |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Term of agreement |  |  | 10 years |
Number of contracted mobile sports operators intended to cease operations | item |  |  | 2 |
Minimum revenues receivable |  |  | $ 2,000,000.0 |
INDIANA |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Number of idle skins operated itself or utilize replacement operators | item |  |  | 2 |
Number of contracted mobile sports operators intended to cease operations | item |  |  | 2 |
Minimum revenues receivable |  |  | $ 1,000,000.0 |
ILLINOIS |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Deferred revenue |  |  | $ 4.9 |
Term of agreement | 8 years |  |  |
Upfront fee received | $ 5,000,000.0 |  |  |
Minimum revenues receivable | $ 5,000,000.0 |  |  |
Sports Wagering Agreements | COLORADO |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Number of contracted mobile sports operators in operations | item |  |  | 3 |
Sports Wagering Agreements | INDIANA |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Number of contracted mobile sports operators in operations | item |  |  | 3 |
Sports Wagering Agreements | ILLINOIS |  |  |  |
Basis Of Presentation [Line Items] |  |  |  |
Number of contracted mobile sports in operation that includes both quarterly and annual prepayments of contracted revenue | item |  |  | 4 |

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