Shareholders' Equity and Regulatory Capital Requirements: Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Details
Capital	$ 95,713us-gaap_Capital	$ 90,733us-gaap_Capital
Capital to Risk Weighted Assets	15.89%us-gaap_CapitalToRiskWeightedAssets	16.66%us-gaap_CapitalToRiskWeightedAssets
Capital Required for Capital Adequacy	48,188	43,572
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	72,282	65,359
Capital Required to be Well Capitalized to Risk Weighted Assets	12.00%	12.00%
Tier One Risk Based Capital	88,122us-gaap_TierOneRiskBasedCapital	83,850us-gaap_TierOneRiskBasedCapital
Tier One Risk Based Capital to Risk Weighted Assets	14.63%	15.40%
Tier One Risk Based Capital Required for Capital Adequacy	36,141	21,786
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	4.00%
Tier One Risk Based Capital Required to be Well Capitalized	48,188	32,679
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	6.00%
Common Equity Tier 1 Capital	88,122fil_CommonEquityTier1Capital
Common Equity Tier1 Capital to risk-weighted assets	14.63%
Common Equity Tier 1 Capital, for Capital Adequacy	27,106fil_CommonEquityTier1CapitalForAdequacy
Common Equity Tier1 Capital for adequacy to risk-weighted assets	4.50%
Common Equity Tier 1 Capital, required to be well capitalized	39,152
Common Equity Tier1 Capital to be well capitalized to risk-weighted assets	6.50%
Tier One Leverage Capital	88,122us-gaap_TierOneLeverageCapital	83,850us-gaap_TierOneLeverageCapital
Tier One Leverage Capital to Average Assets	10.89%	10.71%
Tier One Leverage Capital Required for Capital Adequacy	32,355	31,320
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	72,799	70,469
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	9.00%	9.00%
Tangible Capital	88,122us-gaap_TangibleCapital	83,850us-gaap_TangibleCapital
Tangible Capital to Tangible Assets	10.89%us-gaap_TangibleCapitalToTangibleAssets	10.71%us-gaap_TangibleCapitalToTangibleAssets
Tangible Capital Required for Capital Adequacy	$ 12,133	$ 11,745
Tangible Capital Required for Capital Adequacy to Tangible Assets	1.50%	1.50%

Represents the monetary value of Common Equity Tier 1 Capital, as on the indicated date.

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Represents the monetary value of Common Equity Tier 1 Capital for adequacy, as on the indicated date.

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No definition available.

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Represents the ratio of common equity Tier 1 capital for adequacy to risk-weighted assets, as of the indicated date.

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No definition available.

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Represents the monetary value of Common Equity Tier 1 Capital for adequacy, as on the indicated date.

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No definition available.

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Represents the ratio of common equity Tier 1 capital to be well capitalized, to risk-weighted assets, as of the indicated date.

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No definition available.

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Represents the ration of common equity Tier 1 capital to risk-weighted assets, as of the indicated date.

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No definition available.

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The amount of total capital as defined in the regulations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tangible capital as defined in the regulations (generally includes outstanding stock plus retained earnings) for banking institutions subject to Office of Thrift Supervision (OTS) capital requirements.

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The minimum amount of tangible capital required under the regulatory framework for prompt corrective action.

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The minimum amount of Tangible Capital divided by tangible assets (Tangible Capital Ratio) as defined in the regulations.

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Tangible Capital divided by Tangible assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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