Allowance for Loan Losses: Financing Receivables, Aging of loans (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable Recorded Investment, 30 to 89 days past due	$ 2,570	$ 2,247
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	7,729	14,062
Financing Receivable, Recorded Investment, Past Due	10,299	16,309
Financing Receivable, Recorded Investment, Current	568,800	517,179
Financing Receivable	579,099us-gaap_FinancingReceivable	533,488us-gaap_FinancingReceivable
Commercial business
Financing Receivable Recorded Investment, 30 to 89 days past due	183	120
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	96	452
Financing Receivable, Recorded Investment, Past Due	279	572
Financing Receivable, Recorded Investment, Current	82,005	71,060
Financing Receivable	82,284	71,632
Commercial Real Estate
Financing Receivable Recorded Investment, 30 to 89 days past due	1,562	188
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,003	8,067
Financing Receivable, Recorded Investment, Past Due	4,565	8,255
Financing Receivable, Recorded Investment, Current	285,850	279,253
Financing Receivable	290,415	287,508
Land
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	800	800
Financing Receivable, Recorded Investment, Past Due	800	800
Financing Receivable, Recorded Investment, Current	14,262	15,445
Financing Receivable	15,062	16,245
Multi-Family
Financing Receivable Recorded Investment, 30 to 89 days past due		359
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	2,290	2,014
Financing Receivable, Recorded Investment, Past Due	2,290	2,373
Financing Receivable, Recorded Investment, Current	29,263	18,755
Financing Receivable	31,553	21,128
Real estate construction
Financing Receivable, Recorded Investment, Current	29,199	19,482
Financing Receivable	29,199	19,482
Total consumer
Financing Receivable Recorded Investment, 30 to 89 days past due	825	1,580
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,540	2,729
Financing Receivable, Recorded Investment, Past Due	2,365	4,309
Financing Receivable, Recorded Investment, Current	128,221	113,184
Financing Receivable	$ 130,586	$ 117,493

Financing receivables that are less than 90 days past due but more than 29 days past due.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of the recorded investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, accounts receivable (with terms exceeding one year), notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Financing receivables that are current.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

+ Details

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- Definition

Financing receivables that are equal to or greater than 90 days past due.

+ References

+ Details

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

+ Details

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- Details

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- Details

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- Details

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