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LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Summary (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Long-term debt obligations |  |
Long-term debt | $ 244,442 | $ 284,224
Less current portion | 67,897 | 67,105
Long-term debt, less current portion | 176,545 | 217,119
Payments under long-term debt obligations |  |
Due in one year or less | 72,838 |
Due after one year through two years | 57,990 |
Due after two years through three years | 42,912 |
Due after three years through four years | 73,841 |
Due after four years through five years | 7,634 |
Due after five years | 160 |
Total payments | 255,375 |
Less amounts representing interest | 10,933 |
Long-term debt | 244,442 | 284,224
Credit Facility |  |
Long-term debt obligations |  |
Long-term debt | $ 50,000 | 70,000
Interest rate (as a percent) | 1.20% |
Payments under long-term debt obligations |  |
Due in one year or less | $ 632 |
Due after one year through two years | 808 |
Due after two years through three years | 1,087 |
Due after three years through four years | 50,000 |
Total payments | 52,527 |
Less amounts representing interest | 2,527 |
Long-term debt | 50,000 | 70,000
Credit Facility | Interest rate swap agreement, maturing on June 30, 2022 |  |
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) | 3.12% | 3.12%
Notes payable |  |
Long-term debt obligations |  |
Long-term debt | $ 194,439 | $ 214,216
Weighted-average interest rate (as a percent) | 2.70% |
Payments under long-term debt obligations |  |
Due in one year or less | $ 72,203 |
Due after one year through two years | 57,182 |
Due after two years through three years | 41,825 |
Due after three years through four years | 23,841 |
Due after four years through five years | 7,634 |
Due after five years | 160 |
Total payments | 202,845 |
Less amounts representing interest | 8,406 |
Long-term debt | 194,439 | 214,216
Finance lease obligations |  |
Long-term debt obligations |  |
Long-term debt | $ 3 | 8
Weighted-average interest rate (as a percent) | 3.30% |
Payments under long-term debt obligations |  |
Due in one year or less | $ 3 |
Total payments | 3 |
Long-term debt | $ 3 | $ 8

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