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LEASES LEASES - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Dec. 31, 2017
Leases [Abstract]        
Operating Lease, Right-of-Use Asset $ 58,600 $ 60,249 $ 0 $ 0
Operating Lease, Liability $ 64,277 $ 65,799 $ 0 $ 0