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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Leases |  |  |
2020 | $ 21,641 |  |
2021 | 18,455 |  |
2022 | 14,198 |  |
2023 | 8,926 |  |
2024 | 4,573 |  |
Thereafter | 10,301 |  |
Total lease payments | 78,094 |  |
Lease expenses | $ 25,000 |  |
Rental expense for operating leases |  | $ 18,500 | $ 27,700

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