Leases (Detail Textuals) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2020	Mar. 31, 2020
Lessee Lease Description [Line Items]
Operating lease liabilities	$ 2,590	$ 2,652
Operating lease right-of-use assets	$ 2,588	$ 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