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Leases - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Apr. 30, 2024
Leases [Abstract]      
Right of use assets $ 6,944   $ 7,454
Operating cash paid to settle lease liabilities $ 658 $ 639  
Remaining lease term (in years) 8 years    
Option to extend, term (in years) 5 years    
Option to terminate, term (in years) 1 year    
Operating lease, expense $ 882 867  
Operating lease, short term, expense $ 224 $ 228  
Weighted average remaining lease term, operating lease (in years) 4 years 1 month 6 days    
Weighted average discount rate, operating lease 5.10%    
Weighted average remaining lease term, finance lease (in years) 4 years 3 months 18 days    
Weighted average discount rate, finance lease 8.20%    
Lease not yet commenced $ 681    
Operating lease, lease not yet commenced, term (in years) 3 years