Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Summary of Shares Available for Future Grant (Details)

v3.20.4
Stock-based Compensation - Summary of Shares Available for Future Grant (Details) - shares
shares in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2015
Shares Available For Grant            
Share pool increase (in shares) 333 293 67 800 233 111
2014 Equity incentive plan            
Shares Available For Grant            
Beginning balance (in shares)       119    
Granted (in shares)       (225)    
Forfeited (in shares)       57    
Expired (in shares)       29    
Share pool increase (in shares)         1,133  
Ending balance (in shares)       1,113 119