LONG-TERM DEBT - New and Old Term Loan Credit Agreement (Details) - USD ($)	3 Months Ended				12 Months Ended
	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Loss on debt extinguishment					$ 0	$ 9,504,000	$ 396,000
Interest paid					20,131,000	22,040,000	23,411,000
Interest expense					20,525,000	23,128,000	24,194,000
Revolving Credit Agreement
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	$ 50,000,000
Long-term line of credit	33,000,000				0	33,000,000
Loss on debt extinguishment			$ (200,000)
Interest expense					$ 1,700,000	600,000	200,000
Senior Notes due 2025
Debt Instrument [Line Items]
Loss on debt extinguishment	9,100,000
Senior Secured Credit Facility | New Term Loan Credit Agreement
Debt Instrument [Line Items]
Long-term line of credit	$ 108,800,000					108,800,000
Repayments of long-term debt		$ 30,000,000
Loss on debt extinguishment		$ 500,000
Interest paid						3,900,000	4,800,000
Amortization of debt issuance costs and discounts						200,000	200,000
Senior Notes | Senior Notes due 2025
Debt Instrument [Line Items]
Repayments of long-term debt				$ 10,000,000
Interest expense						13,300,000	17,900,000
Amortization of debt issuance costs and discounts						$ 500,000	$ 700,000