XML 69 R51.htm IDEA: XBRL DOCUMENT v3.22.0.1
INCOME TAXES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
INCOME. TAXES.      
Valuation allowance $ 367,446 $ 276,703  
Operating Loss Carryforwards 1,300,000    
Research and Development Carryforward 35,700    
Business Interest Expense Carryforward $ 9,800    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00%
Accrual for interest and penalties related to uncertain tax positions $ 0