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Leases (Detail Textuals) - USD ($)
$ in Thousands
 9 Months Ended
Dec. 31, 2020
Mar. 31, 2020
Lessee Lease Description [Line Items]    
Operating lease liabilities $ 2,929 $ 2,652
Operating lease right-of-use assets $ 2,940 $ 2,598
Branch network lease agreement    
Lessee Lease Description [Line Items]    
Operating lease, existence of option to extend true  
Operating lease minimum term to extend 1 year  
Operating lease maximum term to extend 3 years  
Corporate headquarters lease agreement    
Lessee Lease Description [Line Items]    
Operating lease renewal period 2020-04  
Operating lease expiration period 2023-03  
Minimum | Branch network lease agreement    
Lessee Lease Description [Line Items]    
Operating lease, term of contract 1 year  
Maximum | Branch network lease agreement    
Lessee Lease Description [Line Items]    
Operating lease, term of contract 5 years