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OTHER CURRENT LIABILITIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Other current liabilities      
Operating lease liabilities $ 11,406 $ 11,398 $ 16,700
Unfunded cash account balances 1,687 1,820  
Other 1,489 1,506  
Total $ 14,582 $ 14,724