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Shareholders' Equity and Regulatory Capital Requirements (Details)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Details      
Serial preferred stock shares authorized 250,000us-gaap_PreferredStockSharesAuthorized 250,000us-gaap_PreferredStockSharesAuthorized  
Serial preferred shares issued 0fil_SerialPreferredSharesIssued 0fil_SerialPreferredSharesIssued  
Serial preferred shares outstanding 0fil_SerialPreferredSharesOutstanding 0fil_SerialPreferredSharesOutstanding  
Stock Repurchased During Period, Shares 0us-gaap_StockRepurchasedDuringPeriodShares 0us-gaap_StockRepurchasedDuringPeriodShares 0us-gaap_StockRepurchasedDuringPeriodShares