LEASES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Jul. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 1,296	$ 1,296			$ 1,042
Present value of lease liabilities	1,649	1,649
Leasehold improvements paid by landlord	$ 100	$ 113	$ 0
Houston, Texas | Office Building
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets				$ 500
Present value of lease liabilities				$ 600
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	2 years	2 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	3 years	3 years