Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Additional Information (Details)

v3.20.4
INCOME TAXES - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]    
Valuation allowance $ (868) $ 0
Federal    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 397,400  
Federal | Pre-2018 Tax Periods    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 229,500  
State    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 51,000