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Loan Receivable and Allowance for Loan and Lease Losses Non performing TDRs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,470	$ 540
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,403	540
weighted average rate pre modification		6.75%
Weighted average rate post modification		4.00%
One- to four family loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	551	540
Financing Receivable, Modifications, Post-Modification Recorded Investment	484	540
weighted average rate pre modification	7.50%	6.75%
Weighted average rate post modification	5.50%	4.00%
Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	919
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 919
weighted average rate pre modification	6.00%
Weighted average rate post modification	6.00%

X

- Definition

Weighted average rate post modification on TDR loans

+ References

No definition available.

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- Definition

weighted average rate pre modification rates on TDR loans

+ References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

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- Definition

Amount of investment in financing receivables (after modification) modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

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X

- Definition

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

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