XML 71 R61.htm IDEA: XBRL DOCUMENT v3.21.1
Restructuring - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2020
Restructuring Cost and Reserve        
Restructuring charges (benefits) $ 0   $ (14,548,000)  
November2020 Restructuring Plan Due To C O V I D19        
Restructuring Cost and Reserve        
Restructuring charges (benefits)       $ 1,400,000
Restricted stock units        
Restructuring Cost and Reserve        
Benefit from reversal of previously recognized stock-based compensation expense     72,700,000  
Stock-based compensation expense recognized due to accelerated vesting     22,900,000  
Stock-Based Compensation Benefit        
Restructuring Cost and Reserve        
Restructuring charges (benefits)     (49,806,000)  
Stock-Based Compensation Benefit | November2020 Restructuring Plan Due To C O V I D19        
Restructuring Cost and Reserve        
Restructuring charges (benefits)   $ 100,000    
Severance and Other Employee Costs        
Restructuring Cost and Reserve        
Restructuring charges (benefits)     32,130,000  
Severance and Other Employee Costs | November2020 Restructuring Plan Due To C O V I D19        
Restructuring Cost and Reserve        
Restructuring charges (benefits)   $ 1,500,000    
Lease Termination and Other Costs        
Restructuring Cost and Reserve        
Restructuring charges (benefits)     $ 3,128,000