LEASES - Future Minimum Rent Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Jul. 31, 2016
Leases [Abstract]
2020	$ 2,613
2021	2,486
2022	2,561
2023	2,637
2024	1,584
Thereafter	0
Total undiscounted future minimum payments	11,881	$ 14,000
Present value discount	(1,874)
Total lease liability	10,007	11,300
Lease incentives	(1,463)	(1,800)	$ (2,300)
Straight line lease expense in excess of cash payments	(1,549)
Total ROU asset	$ 6,995	$ 7,900