XML 54 R38.htm IDEA: XBRL DOCUMENT v3.22.2.2
Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2020
Jun. 30, 2022
Dec. 31, 2021
Number of Options      
Balance, beginning of period (in shares)   54,525,539  
Shares purchased under ESPP plan (in shares)   215,027  
Options exercised (in shares)   (3,532,188)  
Options forfeited (in shares)   (1,315,060)  
Balance, end of period (in shares)   49,893,318 54,525,539
Exercisable and vested at end of period (in shares)   34,382,199  
Weighted Average Exercise Price      
Balance, beginning of period (in dollars per share)   $ 5.30  
Options granted (in dollars per share)   5.89  
Options exercised (in dollars per share)   2.14  
Options forfeited (in dollars per share)   6.96  
Balance, end of period (in dollars per share)   5.49 $ 5.30
Exercisable and vested at end of period (in dollars per shares)   $ 4.49  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Balance, weighted-average remaining contractual life (in years)   6 years 7 months 6 days 7 years 1 month 6 days
Exercisable at end of period, weighted-average remaining contractual life (in years)   5 years 10 months 24 days  
Balance, aggregate intrinsic value   $ 25.7 $ 221.3
Exercisable and vested at end of period, aggregate intrinsic value   $ 25.7  
Closing stock price (in dollars per share)   $ 3,610,000 $ 9,090,000.00
Outside of 2012 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options early exercised (in shares) 1,100,000