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PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Feb. 12, 2026	Feb. 07, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2026	Dec. 31, 2025
Property, Plant, and Equipment [Line Items]
Depreciation expense		$ 7,600	$ 22,400	$ 13,000	$ 27,500	$ 51,100
Liabilities			8,636,971			8,636,971	$ 8,685,546
Other long-term liabilities			309,835			309,835	$ 152,476
Bally's New York
Property, Plant, and Equipment [Line Items]
Accrued and other current liabilities			8,600			8,600
Other long-term liabilities			180,100			180,100
Accretion expense			$ 3,600			$ 5,400
Bally's New York
Property, Plant, and Equipment [Line Items]
Land asset	$ 190,100
Liabilities	$ 183,600
Level 3 \| Measurement Input, Discount Rate \| Bally's New York
Property, Plant, and Equipment [Line Items]
Fair value, discount rate	6.60%