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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ / shares in Units, $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 11 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 28, 2025 $ / shares shares | Aug. 14, 2025 USD ($) | Jun. 25, 2025 AUD ($) | Feb. 07, 2025 USD ($) $ / shares shares | Sep. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2025 USD ($) tranche | Dec. 31, 2025 USD ($) tranche | Dec. 31, 2025 USD ($) tranche plan | Dec. 31, 2024 USD ($) | Oct. 08, 2025 | Apr. 09, 2025 AUD ($) | Apr. 08, 2025 AUD ($) | Apr. 07, 2025 AUD ($) | Nov. 18, 2020 $ / shares shares
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 1,100,000 | $ 1,100,000 | $ 1,100,000 |  |  |  |  |  |
Issuance of long-term debt |  |  |  | $ 97,000 |  |  |  | 1,330,000 |  | $ 440,000 |  |  |  |  |
Net loss attributable to non-controlling interest |  |  |  | 0 |  |  |  | 15,465 |  | 0 |  |  |  |  |
Capitalized interest |  |  |  | 800 |  |  |  | 4,800 |  | 8,000 |  |  |  |  |
Supplier finance program, obligation, addition |  |  |  | 79,600 |  |  |  | 272,100 |  | 239,100 |  |  |  |  |
Supplier finance program, obligation, settlement |  |  |  | 68,500 |  |  |  | 313,600 |  | 165,400 |  |  |  |  |
Deferred payable arrangements |  |  |  |  |  |  | $ 47,000 | $ 47,000 | $ 47,000 | $ 72,800 |  |  |  |  |
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] |  |  |  |  |  |  | Accrued and other current liabilities | Accrued and other current liabilities | Accrued and other current liabilities | Accrued and other current liabilities |  |  |  |  |
Non-cash amortization of debt discounts, debt issuance costs and fair value adjustments |  |  |  | 1,004 |  |  |  | $ 77,282 |  | $ 11,707 |  |  |  |  |
Self-insurance liabilities |  |  |  |  |  |  | $ 32,800 | 32,800 | $ 32,800 | 23,900 |  |  |  |  |
Employer contribution expense |  |  |  | $ 1,000 |  |  |  | 5,100 |  | 10,300 |  |  |  |  |
Number of incentive plans | plan |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |
Shares for purchase from exercisable warrants (in shares) | shares |  |  |  | 384,536 |  |  |  |  |  |  |  |  |  |  |
Advertising expense |  |  |  | $ 900 |  |  |  | $ 12,900 |  | 12,200 |  |  |  |  |
Developed Technology Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life |  |  |  |  |  |  | 5 years | 5 years | 5 years |  |  |  |  |  |
Interactive Segments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising expense |  |  |  | $ 12,600 |  |  |  | $ 121,100 |  | 170,100 |  |  |  |  |
Management Facility Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Funding obligation from counterparty |  |  |  |  |  |  | $ 50,000 | $ 50,000 | $ 50,000 |  |  |  |  |  |
Contractual obligation, payable in term |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Amount received in installment |  |  |  |  | $ 4,400 |  |  |  |  |  |  |  |  |  |
Sinclair Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax benefit required to be shared |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.60
Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | tranche |  |  |  |  |  |  | 4 | 4 | 4 |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |  |
Penny warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares for purchase from exercisable warrants (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,915,726
Exercise price of warrants (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01
Penny warrant | Sinclair Commercial Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares for purchase from exercisable warrants (in shares) | shares |  |  |  | 384,536 |  |  |  |  |  |  |  |  |  |  |
Performance Warrant | Sinclair Commercial Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants (in USD per share) | $ / shares |  |  |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |
Performance Warrant | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares for purchase from exercisable warrants (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,279,337
Option on Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares for purchase from exercisable warrants (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,639,669
Option on Securities | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 45.00
Option on Securities | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30.00
Deferred Payables |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  | $ 500 |  |  |  | $ 8,700 |  | $ 6,400 |  |  |  |  |
Bally's Chicago |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  | 10.50% | 10.50% | 10.50% |  |  |  |  |  |
Measurement Input, Price Volatility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, measurement input |  |  |  |  |  |  | 0.45 | 0.45 | 0.45 |  |  |  |  |  |
Measurement Input, Recovery Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, measurement input |  |  |  |  |  |  | 0.10 | 0.10 | 0.10 |  |  |  |  |  |
Measurement Input, Risk Free Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, measurement input |  |  |  |  |  |  | 0.036 | 0.036 | 0.036 |  |  |  |  |  |
Bally's Chicago |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to non-controlling interest |  |  |  |  |  |  |  | $ (6,300) |  |  |  |  |  |  |
Net proceeds from offering |  | $ 5,800 |  |  |  | $ 12,400 |  |  |  |  |  |  |  |  |
Payments of stock issuance costs |  | $ 300 |  |  |  | $ 800 |  |  |  |  |  |  |  |  |
Interlot’s Global Lottery And Gaming Operations ("Interlot") |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to non-controlling interest |  |  |  |  |  |  | $ (9,200) |  |  |  |  |  |  |  |
Subordinated Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 9.00% | 9.00% | 9.00% |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock, shares converted (in share) | shares | 2,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares | $ 0.08 |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Star Entertainment Group Limited (“The Star”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  |  |  |  | $ (200,000,000.0) |  |
Interest income, other |  |  |  |  |  |  |  | $ 3,900 |  |  |  |  |  |  |
Ownership percentage | 37.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Star Entertainment Group Limited (“The Star”) | Subordinated Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of long-term debt |  |  | $ 66,700,000 |  |  |  |  |  |  |  |  |  |  |  |
The Star Entertainment Group Limited (“The Star”) | Settlement Tranche One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  |  |  | $ (66,700,000) |  |  |
The Star Entertainment Group Limited (“The Star”) | Settlement Tranche One | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  |  |  | (22,200,000) |  |  |
The Star Entertainment Group Limited (“The Star”) | Settlement Tranche One | Subordinated Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  |  |  | $ (44,400,000) |  |  |
The Star Entertainment Group Limited (“The Star”) | Investment Holdings Pty |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  |  |  |  | $ (100,000,000.0) |  |
The Star Entertainment Group Limited (“The Star”) | Convertible Notes And Subordinated Debt | The Star Entertainment Group Limited (“The Star”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000.0 |
Intralot S.A. Integrated Lottery Systems and Services (“Intralot”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  | 26.86% | 26.86% | 26.86% |  |  |  |  |  |
Intralot S.A. Integrated Lottery Systems and Services (“Intralot”) | Interlot’s Global Lottery And Gaming Operations ("Interlot") |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  | 41.20% | 41.20% | 41.20% |  | 42.10% |  |  |  |
Queen |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue in acquiree since acquisition |  |  |  |  |  |  |  | $ 216,000 |  |  |  |  |  |  |
Ne loss in acquiree since acquisition |  |  |  |  |  |  |  | $ 30,800 |  |  |  |  |  |  |

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