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RIVERVIEW BANCORP, INC. AND SUBSIDIARY - CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Sep. 30, 2017
Mar. 31, 2017
Statement of Financial Position [Abstract]    
Interest-earning accounts included in cash $ 59,315 $ 46,245
Fair value of mortgage-backed securities held to maturity 47 66
Loans receivable, allowance for loan losses $ 10,617 $ 10,528
Serial preferred stock, par value per share $ 0.01 $ 0.01
Serial preferred stock, shares authorized 250,000 250,000
Serial preferred stock, shares issued 0 0
Serial preferred stock, shares outstanding 0 0
Common stock, par value per share $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 22,533,912 22,510,890
Common stock, shares outstanding 22,533,912 22,510,890