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RIVERVIEW BANCORP, INC. AND SUBSIDIARY - CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($) $ in Thousands | Dec. 31, 2016 | Mar. 31, 2016
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Statement of Financial Position [Abstract] |  |
Interest-Earning accounts included in Cash | $ 14,302 | $ 40,317
Fair Value of Mortgage-backed securities held to maturity | 68 | 76
Financing receivable, Allowance for Credit Losses | $ 10,289 | $ 9,885
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 | 22,510,890 | 22,507,890
Common stock shares outstanding | 22,510,890 | 22,507,890

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