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Loans Receivable, Net Troubled Debt Restructurings (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | 3 | 9
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,591 | $ 5,546
Financing Receivable, Modifications, Post-Modification Recorded Investment | 1,586 | 4,163
One- to four family loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | 2 | 2
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 747 | 1,414
Financing Receivable, Modifications, Post-Modification Recorded Investment | 867 | 535
weighted average rate pre modification | 5.51% | 7.66%
Weighted average rate post modification | 4.69% | 4.00%
Financing Receivables, Modifications Pre Modification Recorded Investment |  | 500
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | 0 | 3
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 0 | 1,900
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 1,418
weighted average rate pre modification | 0.00% | 6.54%
Weighted average rate post modification | 0.00% | 6.38%
Financing Receivables, Modifications Pre Modification Recorded Investment |  | 1,900
Commercial Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | 1 | 4
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 844 | 2,242
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 719 | $ 2,210
weighted average rate pre modification | 6.00% | 7.23%
Weighted average rate post modification | 6.00% | 7.21%

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- Definition Value of investment in financing receivables (before modification) modified by troubled debt restructurings. + References No definition available. + Details
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- Definition Weighted average rate post modification on TDR loans + References No definition available. + 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 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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