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RIVERVIEW BANCORP, INC. AND SUBSIDIARY CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Interest-Earning accounts included in Cash	$ 23,146	$ 37,349
Fair Value of Investment securities held to maturity	542	556
Amortized Cost of Investment securities available for sale	8,123	8,514
Fair Value of Mortgage-backed securities held to maturity	182	199
Amortized Cost of Mortgage-backed securities available for sale	1,107	1,729
Loans receivable Allowance for Loan Losses	$ 15,926	$ 14,968
Serial preferred stock par value per share	$ 0.01	$ 0.01
Serial preferred stock shares authorized	0	0
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	22,471,890	22,471,890
Common stock shares outstanding	22,471,890	22,471,890

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