LEASES - Lease Future Annual Payments (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Finance Lease, Liability, Payment, Due [Abstract]
2019 (excluding the nine months ended September 30, 2019)	$ 3,069
2020	15,100
2021	13,780
2022	10,796
2023	5,788
Thereafter	3,626
Total future minimum lease payments	52,159
Less: Imputed interest	(5,070)
Present value of future minimum lease payments	47,089
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019 (excluding the nine months ended September 30, 2019)	11,702
2020	51,110
2021	46,026
2022	47,496
2023	37,376
Thereafter	219,862
Total future minimum lease payments	413,572
Less: Imputed interest	(104,904)
Present value of future minimum lease payments	$ 308,668