LONG-TERM DEBT - Payments Applicable to Reduction of Principal (Details) $ in Thousands |
Sep. 30, 2021
USD ($)
|
|---|---|
| Payments applicable to reduction of principal amounts | |
| Remainder of 2021 | $ 0 |
| 2022 | 0 |
| 2023 | 21,500 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 and thereafter | 170,000 |
| Total Long-Term Debt - Face Value | $ 191,500 |