LEASES - Maturities of Lease Liabilities (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating Leases
Remainder of 2020	$ 818
2021	1,440
2022	1,461
2023	1,493
2024	1,030
Thereafter	1,520
Total lease payments	7,762
Less: Imputed interest	1,329
Present value of lease liabilities	6,433
Finance Leases
Remainder of 2020	55
2021	46
2022	16
2023	2
2024	1
Thereafter	0
Total lease payments	120
Less: Imputed interest	16
Present value of lease liabilities	$ 104