INCOME TAXES - Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Price concessions	$ 6,169	$ 6,373
Compensation and benefits	5,517	5,889
Interest limitation carryforward	29,453	35,114
Operating lease liability	22,765	23,266
Net operating losses	62,027	97,880
Other	6,576	6,381
Deferred tax assets before valuation allowance	132,507	174,903
Valuation allowance	(13,056)	(13,151)	$ (112,085)	$ (109,531)
Deferred tax assets net of valuation allowance	119,451	161,752
Deferred tax liabilities:
Accelerated depreciation	(7,026)	(10,602)
Operating lease right-of-use asset	(18,076)	(18,437)
Intangible assets	(57,673)	(61,629)
Goodwill	(44,949)	(36,702)
Other	(13,881)	(7,349)
Deferred tax liabilities	(141,605)	(134,719)
Net deferred tax assets		$ 27,033
Net deferred tax (liabilities) assets	$ (22,154)