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Employee Stock Ownership Plan: Employee Stock Ownership Plan (ESOP) Disclosures (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
Details |  |  |  |
ESOP shares, fair value of unreleased shares | $ 338,000 | $ 325,000 | $ 334,000 | $ 524,000
ESOP shares, unreleased | 98,532 | 123,165 | 147,798 | 172,431
ESOP shares, allocated and released | 864,052 | 839,419 | 814,786 | 790,153
ESOP shares | 962,584 | 962,584 | 962,584 | 962,584
ESOP shares, allocation | 24,633 | 24,633 | 24,633 |

X
- Definition The number of allocated, released and unreleased ESOP shares, as of the date indicated. + References No definition available. + Details
Name: | fil_EsopShares
Namespace Prefix: | fil_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of allocated and released ESOP, as of the date indicated. + References No definition available. + Details
Name: | fil_EsopSharesAllocatedAndReleased
Namespace Prefix: | fil_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of ESOP shares allocated during the indicated time period. + References No definition available. + Details
Name: | fil_EsopSharesAllocation
Namespace Prefix: | fil_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value of unreleased ESOP shares, as of the indicated date. + References No definition available. + Details
Name: | fil_EsopSharesFairValueOfUnreleasedShares
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of unreleased ESOP shares, as of the date indicated. + References No definition available. + Details
Name: | fil_EsopSharesUnreleased
Namespace Prefix: | fil_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration