Annual report pursuant to Section 13 and 15(d)

SELECTED QUARTERLY FINANCIAL INFORMATION - Narrative (Details)

v3.22.0.1
SELECTED QUARTERLY FINANCIAL INFORMATION - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Selected Quarterly Financial Information [Line Items]          
Defined contribution plan charges recognized $ 4,300        
Current income tax benefit 1,700   $ 941 $ 12,182 $ (30,671)
Patent Infringement          
Selected Quarterly Financial Information [Line Items]          
Accrual insurance related assessment premium tax offset 8,400        
United States Department Of Transportation | Grant          
Selected Quarterly Financial Information [Line Items]          
Grant received $ 7,600        
Federal          
Selected Quarterly Financial Information [Line Items]          
Valuation allowance, deferred tax asset, increase (decrease)   $ 14,100 $ 6,000 $ 23,300