DEBT - Schedule of Principal Payments for Each of the Next Five Years (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Principal payments for each of the next five years
2022	$ 66,308
2023	232,183
2024	216,365
2025	226,594
2026	289,169
Thereafter	50,696
Debt, gross	$ 1,081,315	$ 1,101,478

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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