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INVESTMENT SECURITIES (Detail Textuals) - Investment securities available for sale - USD ($)
$ in Millions
Jun. 30, 2019
Mar. 31, 2019
Debt Securities, Available-for-sale [Line Items]    
Pledged as collateral at amortized cost $ 5.5 $ 5.8
Pledged as collateral at fair value $ 5.5 $ 5.7