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Mortgage-backed Securities: Schedule of mortgage-backed securities held to maturity (Details) (Mortgage-backed, USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Mar. 31, 2014
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Mortgage-backed |  |  |  |
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment | $ 88 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1] | $ 101 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1]
Held-to-maturity Securities, Unrecognized Holding Gain | 2 us-gaap_HeldtomaturitySecuritiesUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1] | 3 us-gaap_HeldtomaturitySecuritiesUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1]
Held-to-maturity Securities, Fair Value | $ 90 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1] | $ 104 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = fil_MortgageBackedMember | [1]
[1] | Comprised of Federal National Mortgage Association (“FNMA”) and Federal Home Loan Mortgage Corporation (“ FHLMC”) issued securities.

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- Definition Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References No definition available. + Details
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- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain. + References No definition available. + Details
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