INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current [Abstract]
Federal	$ 665	$ 0
State	535	802
Total	1,200	802
Deferred [Abstract]
Federal	8,468	(21,743)
State	2,860	(14,118)
Total	11,328	(35,861)
Total provision (benefit)	12,528	(35,059)
Effective income tax rate reconciliation, amount [Abstract]
Income before taxes	47,246	13,506
Expected tax	9,922	2,836
State tax benefit (net of federal)	2,682	(10,513)
Valuation allowance	0	(27,420)
Other	(76)	38
Total provision (benefit)	$ 12,528	$ (35,059)
Effective income tax rate reconciliation, percent [Abstract]
Federal corporate tax rate	21.00%	21.00%
State tax benefit (net of federal)	5.70%	(77.80%)
Valuation allowance	0.00%	(203.00%)
Other	(0.20%)	0.20%
Total	26.50%	(259.60%)
Gross noncurrent deferred tax assets (liabilities) [Abstract]
Lease liability	$ 26,142	$ 16,369
Depreciation	10,551	11,298
Allowance for bad debts	8,525	7,659
Net operating loss carryforwards	2,394	13,480
Stock-based compensation	641	317
Accrued benefits	656	1,208
Pension plan liabilities	429	1,137
Other intangibles	70	100
Goodwill	(1,267)	(1,091)
Right-of-use asset	(24,433)	(14,759)
Noncurrent deferred tax assets, net	$ 23,708	35,718
Ownership Change [Abstract]
Net operating loss carryforwards, period of ownership change	3 years
Net operating loss carryforwards, minimum percentage of ownership change	50.00%
Federal Tax [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 1,200	43,100
Net operating loss carryforwards, subject to expiration		29,100
State Tax [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 37,600	77,200
Net operating loss carryforwards, not subject to expiration		$ 14,000