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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jun. 30, 2020
May 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate intrinsic value of options exercised in period     $ 5,000  
Proceeds from the exercise of stock options     $ 1,010 $ 1,260
Granted     30,781,000  
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Unrecognized stock-based compensation expense $ 15,300   $ 15,300  
Unrecognized stock-based compensation expense, weighted-average recognition period     2 years  
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     3 years  
Unrecognized stock-based compensation expense $ 59,000   $ 59,000  
Unrecognized stock-based compensation expense, weighted-average recognition period     2 years 4 months 24 days  
Weighted average grant-date fair value     $ 247.01  
Fair value of units vested     $ 23,300  
Granted     164,000  
Performance Based Restricted Stock Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted   61,674    
Market-Based Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted 61,562      
Stock units minimum range percent 0.00%      
Stock units maximum range percent 200.00%      
Compensation expense period description The fair value related to these awards are recorded as compensation expense over the period from date of grant to May 2022 and May 2023, respectively      
Market-Based Awards | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized stock-based compensation expense, weighted-average recognition period 3 years      
Market-Based Awards | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized stock-based compensation expense, weighted-average recognition period 2 years