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DEBT - Components of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Interest expense on long-term debt and finance leases	$ 19,201	$ 20,084	$ 22,553
Amortization of debt issuance costs	2,288	2,169	2,293
Letter of credit fees	458	531	519
Less: capitalized interest	(718)	(413)	(263)
Total interest expense	$ 21,229	$ 22,371	$ 25,102

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Amount of letters of credit fees included in interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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