FEDERAL INCOME TAXES - Schedule of Valuation Allowance by Tax Jurisdiction (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Total valuation allowance	$ 46,204	$ 32,862
United States
Total valuation allowance	34,190	20,783
Australia
Total valuation allowance	5,380	5,203
Turkey
Total valuation allowance	$ 6,634	$ 6,876