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PROPERTY, PLANT, AND EQUIPMENT, NET - Schedule of Depreciation Expense and Capitalized Interest (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Property Plant And Equipment [Abstract]        
Depreciation expense $ 19,437 $ 18,567 $ 58,049 $ 55,781
Capitalized interest $ 1,391 $ 2,451 $ 5,752 $ 5,536