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Stock-Based Compensation - Assumptions Used to Compute Share-Based Compensation Costs for Stock Options Granted (Detail) - $ / shares
6 Months Ended 12 Months Ended
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]          
Weighted average grant date fair value of stock options (in dollars per share)         $ 5.94
Assumptions          
Risk-free interest rate (weighted average) 0.86% 0.05% 0.05% 0.12% 0.87%
Expected dividend yield 0.00% 0.00% 0.00% 0.00% 0.00%
Weighted average expected life (years) 6 months 6 months 6 months 6 months 6 years 2 months 12 days
Volatility (weighted average) 32.50% 43.10% 44.60% 47.10% 74.50%
Forfeiture rate         12.00%