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Share-Based Payment Plans - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation expense   $ 1,333,000 $ 9,048,000 $ 4,253,000 $ 12,623,000  
Income tax benefit (expense)   $ 0 $ 0 $ 0 $ 0  
Employee Share Plan And Incentive Option Plan Two Thousand And Sixteen            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of outstading share capital authorised for issuance share based plan           7.50%
Share based compensation by share based payment arrangement weighted average grant date of fair value of options granted       $ 0    
Share based compensation by share based payment arrangement intrinsic value of options exercised       $ 0    
Two Thousand And Twenty Omnibus Incentive Plan [Member] | Common Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares issued under the plan 1,750,000