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DEBT OBLIGATIONS (Details) ¥ in Thousands, $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 01, 2024 USD ($) | Feb. 29, 2024 | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 CNY (¥) | Jun. 30, 2022 USD ($)
DEBT OBLIGATIONS |  |  |  |  |  |
Unamortized debt issuance costs |  |  | $ (325) | $ (625) |  |
Finance lease obligations - noncurrent |  |  | $ 8,607 | $ 9,019 |  |
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  |  | Long-term debt | Long-term debt | Long-term debt |
Long-term debt |  |  | $ 218,402 | $ 235,454 |  |
Revolving Credit Facility |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Revolving Credit Facility, long-term |  |  | $ 210,120 | 227,060 |  |
Effective rate (as a percent) |  |  | 4.96% |  | 4.96% |
Amended Revolving Facility |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 280,000 |  | $ 225,000
Available borrowing capacity |  |  |  | 75,000 |  |
Minimum interest coverage ratio |  |  | 3.00% |  |  |
Leverage ratio |  |  | 3.50% |  |  |
Increase in leverage ratio |  |  | 0.50% |  |  |
Unused amount of credit facility |  |  | $ 69,880 |  |  |
Amended Revolving Facility | Minimum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Adjusted applicable margin (as a percent) |  |  | 0.10% |  |  |
Commitment fees on unused portion of the Amended Revolving Facility ( as a percent) |  |  | 0.10% |  |  |
Amended Revolving Facility | Maximum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Adjusted applicable margin (as a percent) |  |  | 0.275% |  |  |
Commitment fees on unused portion of the Amended Revolving Facility ( as a percent) |  |  | 0.275% |  |  |
Amended Revolving Facility | Base Rate |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  |  | 0.00% |  |  |
Amended Revolving Facility | Adjusted SOFR |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  |  | 1.625% |  |  |
Amended Revolving Facility | Adjusted SOFR | Minimum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  |  | 1.00% |  |  |
Amended Revolving Facility | Adjusted SOFR | Maximum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  |  | 2.25% |  |  |
Amended Revolving Facility | Subsequent Event |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Maximum borrowing capacity | $ 280,000 |  |  |  |  |
Commitment fees on unused portion of the Amended Revolving Facility ( as a percent) | 0.275% |  |  |  |  |
Amended Revolving Facility | Subsequent Event | Base Rate | Minimum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  | 0.25% |  |  |  |
Amended Revolving Facility | Subsequent Event | Base Rate | Maximum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) | 1.50% |  |  |  |  |
Amended Revolving Facility | Subsequent Event | Adjusted SOFR | Minimum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) | 1.25% |  |  |  |  |
Amended Revolving Facility | Subsequent Event | Adjusted SOFR | Maximum |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Applicable margin (as a percent) |  | 2.50% |  |  |  |
China Credit Facility |  |  |  |  |  |
DEBT OBLIGATIONS |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 1,450 |  | ¥ 10,000 |
Average outstanding borrowings |  |  | $ 0 | $ 0 |  |

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