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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disclosure of operating lease [Line Items]    
Lease liabilities reversed $ 240 $ 911
Bottom of Range [Member]    
Disclosure of operating lease [Line Items]    
Lease property expiration period 1 year  
Lease property extension period 3 years  
Top of Range [Member]    
Disclosure of operating lease [Line Items]    
Lease property expiration period 12 years  
Lease property extension period 5 years