Loan Receivable and Allowance for Loan and Lease Losses Troubled Debt Restructurings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2014 Commercial Real Estate [Member]	Sep. 30, 2014 Commercial Real Estate [Member]	Sep. 30, 2013 One- to four family loans [Member]	Sep. 30, 2013 Business [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	2	1	1	1	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment		$ 1,403	$ 873	$ 873	$ 484	$ 919
Financing Receivable, Modifications, Post-Modification Recorded Investment		$ 1,268	$ 856	$ 856	$ 549	$ 719
weighted average rate pre modification			6.60%	6.60%	7.50%	6.00%
Weighted average rate post modification			6.60%	6.60%	5.50%	6.00%

Weighted average rate post modification on TDR loans

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- Definition

weighted average rate pre modification rates on TDR loans

+ References

No definition available.

+ Details

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- Details

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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=28368275&loc=SL6953676-111524

+ Details

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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