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JUNIOR SUBORDINATED DEBENTURES (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
JUNIOR SUBORDINATED DEBENTURES
Amount Outstanding	$ 27,836
Fair value adjustment	(1,003)
Total Debentures	$ 26,833	$ 26,748
Riverview Bancorp Statutory Trust I
JUNIOR SUBORDINATED DEBENTURES
Issuance Date	Dec. 01, 2005
Amount Outstanding	$ 7,217
Rate Type	Variable
Initial Rate	5.88%
Current Rate	2.19%
Maturity Date	3/2036
Riverview Bancorp Statutory Trust II
JUNIOR SUBORDINATED DEBENTURES
Issuance Date	Jun. 01, 2007
Amount Outstanding	$ 15,464
Rate Type	Variable
Initial Rate	7.03%
Current Rate	2.18%
Maturity Date	9/2037
Merchants Bancorp Statutory Trust I
JUNIOR SUBORDINATED DEBENTURES
Issuance Date	Jun. 01, 2003
Amount Outstanding	$ 5,155
Rate Type	Variable
Initial Rate	4.16%
Current Rate	4.07%
Maturity Date	6/2033

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