INCOME TAXES - Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Price concessions	$ 5,365	$ 6,169
Compensation and benefits	7,609	5,517
Interest limitation carryforward	13,802	29,453
Operating lease liability	26,378	22,765
Net operating losses	56,980	62,027
Other	7,556	6,576
Deferred tax assets before valuation allowance	117,690	132,507
Valuation allowance	(6,371)	(13,056)	$ (13,151)	$ (112,085)
Deferred tax assets net of valuation allowance	111,319	119,451
Deferred tax liabilities:
Accelerated depreciation	(8,882)	(7,026)
Operating lease right-of-use asset	(21,504)	(18,076)
Intangible assets	(52,502)	(57,673)
Goodwill	(52,188)	(44,949)
Other	(11,163)	(13,881)
Deferred tax liabilities	(146,239)	(141,605)
Net deferred tax liabilities	$ (34,920)	$ (22,154)