Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Change in Deferred Tax Asset Valuation Allowance (Details)

v3.20.4
INCOME TAXES - Change in Deferred Tax Asset Valuation Allowance (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Changes in deferred tax asset valuation allowance:  
Valuation allowance, beginning balance $ 123,434
Valuation allowance, ending balance 152,884
Increase due to current year operations  
Changes in deferred tax asset valuation allowance:  
Change in valuation allowance $ 29,450