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Mortgage-backed Securities: Schedule of Proceeds from sale of mortgage-backed securities (Details) (USD $) | 3 Months Ended | 9 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
Details |  |  |  |
Proceeds from sale of mortgage-backed securities | $ 14,300,000 fil_ProceedsFromSaleOfMortgageBackedSecurities | $ 0 fil_ProceedsFromSaleOfMortgageBackedSecurities | $ 14,300,000 fil_ProceedsFromSaleOfMortgageBackedSecurities | $ 0 fil_ProceedsFromSaleOfMortgageBackedSecurities
Gross Realized Gain on sale of mortgage-backed securities | $ 127,000 fil_GrossRealizedGainOnSaleOfMortgageBackedSecurities | $ 0 fil_GrossRealizedGainOnSaleOfMortgageBackedSecurities | $ 127,000 fil_GrossRealizedGainOnSaleOfMortgageBackedSecurities | $ 0 fil_GrossRealizedGainOnSaleOfMortgageBackedSecurities

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- Definition Represents the monetary amount of the gross realized gain on sale of mortgage-backed securities during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of the proceeds from sale of mortgage-backed securities during the indicated time period. + References No definition available. + Details
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- Details
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