SIGNIFICANT ACCOUNTING POLICIES - Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 71,250	$ 77,462
Less: Allowance for doubtful accounts	(5,649)	(5,789)
Accounts receivable, net	65,601	71,673
Rhode Island and Delaware
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	14,987	15,865
Gaming receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	17,450	19,065
Non-gaming receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 38,813	$ 42,532