XML 74 R60.htm IDEA: XBRL DOCUMENT v3.22.0.1
Workforce Reduction (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Nov. 05, 2020
USD ($)
Employees
Dec. 31, 2020
USD ($)
Employees
Dec. 31, 2021
USD ($)
2020 Workforce Reduction      
Restructuring Cost And Reserve [Line Items]      
Beginning of period     $ 3,640
Charges     (878)
Amount paid     4,490
Adjustments     0
End of period   $ 3,640 $ 28
Current workforce reductions | November 2020 Workforce Reduction      
Restructuring Cost And Reserve [Line Items]      
Reduction in workforce, number of employees | Employees 48 31  
Restructuring costs $ 5,000    
Severance and benefits costs   $ 4,100  
Stock-based compensation from the modification of share based equity awards $ 100