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Employee Stock Ownership Plan: Employee Stock Ownership Plan (ESOP) Disclosures (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Details
ESOP shares, fair value of unreleased shares	$ 332,500fil_EsopSharesFairValueOfUnreleasedShares	$ 338,000fil_EsopSharesFairValueOfUnreleasedShares	$ 325,000fil_EsopSharesFairValueOfUnreleasedShares	$ 334,000fil_EsopSharesFairValueOfUnreleasedShares
ESOP shares, unreleased	73,899fil_EsopSharesUnreleased	98,532fil_EsopSharesUnreleased	123,165fil_EsopSharesUnreleased	147,798fil_EsopSharesUnreleased
ESOP shares, allocated and released	888,685fil_EsopSharesAllocatedAndReleased	864,052fil_EsopSharesAllocatedAndReleased	839,419fil_EsopSharesAllocatedAndReleased	814,786fil_EsopSharesAllocatedAndReleased
ESOP shares	962,584fil_EsopShares	962,584fil_EsopShares	962,584fil_EsopShares	962,584fil_EsopShares
ESOP shares, allocation	24,633fil_EsopSharesAllocation	24,633fil_EsopSharesAllocation	24,633fil_EsopSharesAllocation

X

- Definition

The number of allocated, released and unreleased ESOP shares, as of the date indicated.

+ References

No definition available.

+ Details

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X

- Definition

The number of allocated and released ESOP, as of the date indicated.

+ References

No definition available.

+ Details

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X

- Definition

The number of ESOP shares allocated during the indicated time period.

+ References

No definition available.

+ Details

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Namespace Prefix:	fil_
Data Type:	xbrli:sharesItemType
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X

- Definition

The fair value of unreleased ESOP shares, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

The number of unreleased ESOP shares, as of the date indicated.

+ References

No definition available.

+ Details

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- Details

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