SIGNIFICANT ACCOUNTING POLICIES - Narrative 1 (Details) - USD ($)		3 Months Ended		9 Months Ended
	Oct. 01, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Summary of Significant Accounting Policies [Line Items]
Contracts receivable, factoring receivable		$ 5,900,000		$ 5,900,000		$ 14,300,000
Deferred financing costs, net of accumulated amortization		2,400,000		2,400,000		1,600,000
Goodwill		711,841,000		711,841,000		$ 679,463,000
Loss on impairment	$ 0
Intangible asset amortization expense		3,100,000	$ 3,000,000.0	9,400,000	$ 8,900,000
Income tax expense (benefit)		$ 4,335,000	$ 7,220,000	$ 4,927,000	$ 7,741,000
Effective tax rate		26.10%	23.10%	16.70%	24.10%
Management service contracts
Summary of Significant Accounting Policies [Line Items]
Useful life		25 years		25 years
Minimum | Amounts Returned to Property and Equipment
Summary of Significant Accounting Policies [Line Items]
PPE estimated useful lives		3 years		3 years
Minimum | Leasehold Improvements
Summary of Significant Accounting Policies [Line Items]
PPE estimated useful lives		3 years		3 years
Maximum | Amounts Returned to Property and Equipment
Summary of Significant Accounting Policies [Line Items]
PPE estimated useful lives		15 years		15 years
Maximum | Leasehold Improvements
Summary of Significant Accounting Policies [Line Items]
PPE estimated useful lives		15 years		15 years