LONG-TERM DEBT - Payments Applicable to Reduction of Principal (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payments applicable to reduction of principal amounts
2023	$ 67,000
2025	51,034
2026	65,000
2027 and thereafter	100,000
Total Long-Term Debt - Face Value	$ 283,034	$ 280,500

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant