LEASES - Future Non-cancellable Lease Payments Under 840 (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases
2019	$ 11,250
2020	7,059
2021	5,898
2022	5,303
2023	3,821
Thereafter	15,599
Total	48,930
Finance Leases
2019	3,509
2020	2,567
2021	2,017
2022	1,181
2023	1,275
Thereafter	8,831
Total future minimum lease payments	19,380
Less: Interest	(2,548)
Total	$ 16,832