XML 96 R83.htm IDEA: XBRL DOCUMENT v3.22.0.1
Equity, Narrative (Details)
1 Months Ended 12 Months Ended
Jun. 30, 2011
USD ($)
shares
Dec. 31, 2021
USD ($)
plan
shares
Dec. 31, 2020
shares
Dec. 31, 2019
Jun. 28, 2019
shares
Jun. 21, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of primary stock incentive plans | plan   1        
Shares reserved for future issuances (in shares)   17,700,000        
Dividend rate   0.00%        
Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation cost not yet recognized | $   $ 43,600,000        
Compensation cost not yet recognized period of recognition   2 years 8 months 12 days        
Dividend rate   0.00% 0.00% 0.00%    
ESPP            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Maximum employee contribution rate (percent) 15.00%          
Purchase price of common stock as percentage of lower of fair market value of common stock on first day of offering period or last day of purchase period 85.00%          
Periodic purchase limit (shares) 4,000          
Annual purchase limit | $ $ 25,000          
Granted (shares)   0 0      
2009 Equity Incentive Plan (Amended Plan)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares deregistered (in shares)         46,200,000  
2009 Equity Incentive Plan (Amended Plan) | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)           47,873,531
Shares reserved for future issuances (in shares)           13,500,000
2009 Equity Incentive Plan (Amended Plan) | Restricted Stock Units and Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Remaining shares available for grant under the plans (in shares)   11,800,000        
2009 Equity Incentive Plan (Amended Plan) | Individual Owning 10 Percent or More of Stock | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Minimum stock ownership percent triggering early award expiration   10.00%        
Percent of market price for non-statutory options   110.00%        
Award expiration period   5 years        
2009 Equity Incentive Plan (Amended Plan) | Employee | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percent of market price for non-statutory options   100.00%        
2009 Equity Incentive Plan (Amended Plan) | Directors and Other Service Providers | Stock Options, Nonqualifying            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percent of market price for non-statutory options   100.00%        
2009 Equity Incentive Plan (Amended Plan) | Individual Owning Less Than 10 Percent of Stock | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Maximum stock ownership percent triggering early award expiration   10.00%        
Option contractual term   10 years        
Award vesting period   4 years