LEASES - Minimum Lease Payment Obligations (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
Remainder of 2019	$ 12,520
2020	23,764
2021	20,049
2022	19,264
2023	19,231
Thereafter	140,836
Total	235,664
Less: Effect of discounting to net present value	(85,977)
Total operating lease liabilities	$ 149,687