COMMITMENTS AND CONTINGENCIES Operating Leases, Rent Expense, Minimum Rentals (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Commitments And Contingencies [Line Items]
Lease Expiration Date	Dec. 31, 2019
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 251
Total future minimum payments due	251
Office and general
Commitments And Contingencies [Line Items]
Operating leases, rent expense	$ 645	$ 451