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INVESTMENT SECURITIES (Detail Textuals) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]          
Investment securities gross realized gains from sales $ 0 $ 0 $ 0 $ 0  
Available-for-sale Securities          
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]          
Pledged as collateral at amortized cost 4,100,000   4,100,000   $ 11,100,000
Pledged as collateral at fair value $ 4,100,000   $ 4,100,000   11,100,000
Held-to-maturity Securities          
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]          
Pledged as collateral at amortized cost         20,000
Pledged as collateral at fair value         $ 20,000