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LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Summary (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Long-term debt obligations |  |
Long-term debt | $ 243,158 | $ 264,623
Less current portion | 66,862 | 66,252
Long-term debt, less current portion | 176,296 | 198,371
Credit Facility |  |
Long-term debt obligations |  |
Long-term debt | $ 50,000 | 50,000
Interest rate (as a percent) | 6.50% |
Credit Facility | Interest rate swap agreement, maturing on October 1, 2024 |  |
Long-term debt obligations |  |
Amount of borrowings covered by the interest rate swap | $ 50,000 | $ 50,000
Effective fixed interest rate on hedged borrowings (as a percent) | 1.55% | 1.55%
Notes payable |  |
Long-term debt obligations |  |
Long-term debt | $ 193,158 | $ 214,623
Weighted-average interest rate (as a percent) | 3.70% |

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