JUNIOR SUBORDINATED DEBENTURES (Details) - USD ($) $ in Thousands	9 Months Ended
Dec. 31, 2023	Mar. 31, 2023
JUNIOR SUBORDINATED DEBENTURES
Amount Outstanding	$ 27,836
Fair value adjustment	(854)
Total Debentures	$ 26,982	$ 26,918
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	7.01%
Maturity Date	2036-03
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	7.00%
Maturity Date	2037-09
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	8.72%
Maturity Date	2033-06

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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