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INCOME TAXES - Uncertain tax positions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
INCOME TAXES |  |  |
Amount of interest and penalties accrued related to unrecognized tax benefits | $ 941 | $ 956 |
Changes to the company's liabilities for uncertain tax positions |  |  |
Beginning balance | 4,745 | 4,770 | $ 5,863
Additions | 146 |  |
Reductions for tax positions from prior years and statute of limitations expirations |  | (24) | (678)
Statue of limitations expirations | (63) |  |
Foreign exchange effect | 1 |  |
Foreign exchange effect |  | (1) | (415)
Ending balance | $ 4,829 | $ 4,745 | $ 4,770

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