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LONG-TERM DEBT - Interest Expense and Unused Line of Credit Fees (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
LONG-TERM DEBT        
Interest expense $ 3,528 $ 1,842 $ 8,818 $ 4,303
Amortization of debt issuance costs 245 136 509 413
Unused line of credit fees and other 52 51 152 152
Total interest expense $ 3,825 $ 2,029 $ 9,479 $ 4,868