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Loan Receivable and Allowance for Loan and Lease Losses Modification to Loans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Mortgage Loans on Real Estate, Number of Loans	9	15
Pre-modifcation Outstanding Recorded Investment	$ 5,546	$ 16,317
Loan modifications recorded investment	4,163	16,095
Financing Receivable, Allowance for Credit Losses	327	81
Consumer Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Mortgage Loans on Real Estate, Number of Loans	3	2
Pre-modifcation Outstanding Recorded Investment	1,890	1,495
Loan modifications recorded investment	1,418	1,430
weighted average rate pre modification	6.54%	5.47%
Weighted average rate post modification	6.38%	5.42%
Financing Receivable, Allowance for Credit Losses	26	61
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Mortgage Loans on Real Estate, Number of Loans		6
Pre-modifcation Outstanding Recorded Investment		8,862
Loan modifications recorded investment		8,840
weighted average rate pre modification		6.81%
Weighted average rate post modification		6.80%
Financing Receivable, Allowance for Credit Losses		2
Commercial Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Mortgage Loans on Real Estate, Number of Loans	4	5
Pre-modifcation Outstanding Recorded Investment	2,242	3,447
Loan modifications recorded investment	2,210	3,315
weighted average rate pre modification	7.23%	5.86%
Weighted average rate post modification	7.21%	5.87%
Financing Receivable, Allowance for Credit Losses	264	0
One- to four family loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Mortgage Loans on Real Estate, Number of Loans	2	2
Pre-modifcation Outstanding Recorded Investment	1,414	2,513
Loan modifications recorded investment	535	2,510
weighted average rate pre modification	7.66%	6.86%
Weighted average rate post modification	4.00%	4.21%
Financing Receivable, Allowance for Credit Losses	$ 37	$ 18

X

- Definition

Loan modifications recorded investment

+ References

No definition available.

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- Definition

Pre-modifcation Outstanding Recorded Investment

+ References

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- Definition

Weighted average rate post modification on TDR loans

+ References

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- Definition

weighted average rate pre modification rates on TDR loans

+ References

No definition available.

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X

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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X

- Definition

Indicates the number of mortgages under each classification.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.3)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Paragraph 3

-Article 12

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