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Employee Stock Ownership Plan: Employee Stock Ownership Plan (ESOP) Disclosures (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Details |  |  |  |
ESOP shares, fair value of unreleased shares | $ 207,000 | $ 332,500 | $ 338,000 | $ 325,000
ESOP shares, unreleased | 49,266 | 73,899 | 98,532 | 123,165
ESOP shares, allocated and released | 913,318 | 888,685 | 864,052 | 839,419
ESOP shares | 962,584 | 962,584 | 962,584 | 962,584
Unreleased ESOP shares allocated | (24,633) | (24,633) | (24,633) |
Allocated and Released ESOP shares allocation | 24,633 | 24,633 | 24,633 |

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

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

X
- References No definition available. + Details
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