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Investment Securities Investment Securities Amortized Cost and Estimated Fair Value (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Mar. 31, 2014
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | $ 97,776 |  | $ 94,233
Available-for-sale Securities, Gross Unrealized Gain | 14 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (3,076) |  | (4,772)
Available-for-sale | 94,714 |  | 89,461
Held-to-maturity Securities, Amortized Cost | 8,654 | [1] | 9,029
Held-to-maturity Securities, Unrecognized Holding Gain | 212 | [1] | 225
Held-to-maturity Securities, Unrecognized Holding Loss | (144) | [1] | (283)
Held-to-maturity Securities, Fair Value | 8,722 | [1] | 8,971
securities amortized cost | 106,430 |  | 103,262
Unrealized Gain on Securities | 226 |  | 225
Unrealized Loss on Securities | (3,220) |  | (5,055)
Investments, Fair Value Disclosure | 103,436 |  | 98,432
Government National Mortgage Association |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 5,811 |  | 5,972
Available-for-sale Securities, Gross Unrealized Gain | 0 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (157) |  | (307)
Available-for-sale | 5,654 |  | 5,665
Held-to-maturity Securities, Amortized Cost | 3,429 |  | 3,743
Held-to-maturity Securities, Unrecognized Holding Gain | 212 |  | 225
Held-to-maturity Securities, Unrecognized Holding Loss | 0 |  | 0
Held-to-maturity Securities, Fair Value | 3,641 | [1] | 3,968
Federal Home Loan Mortgage Corporation |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 11,369 |  | 12,160
Available-for-sale Securities, Gross Unrealized Gain | 2 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (341) |  | (564)
Available-for-sale | 11,030 |  | 11,596
Federal National Mortgage Association |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 10,278 |  | 10,897
Available-for-sale Securities, Gross Unrealized Gain | 0 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (294) |  | (466)
Available-for-sale | 9,984 |  | 10,431
Held-to-maturity Securities, Amortized Cost | 5,225 |  | 5,079
Held-to-maturity Securities, Unrecognized Holding Gain | 0 |  | 0
Held-to-maturity Securities, Unrecognized Holding Loss | (144) |  | (283)
Held-to-maturity Securities, Fair Value | 5,081 | [1] | 4,796
Other mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 48 |  | 49
Available-for-sale Securities, Gross Unrealized Gain | 0 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | 0 |  | 0
Available-for-sale | 48 |  | 49
Mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 27,506 |  | 29,078
Available-for-sale Securities, Gross Unrealized Gain | 2 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (792) |  | (1,337)
Available-for-sale | 26,716 |  | 27,741
Held-to-maturity Securities, Amortized Cost |  |  | 8,822
Held-to-maturity Securities, Unrecognized Holding Gain |  |  | 225
Held-to-maturity Securities, Unrecognized Holding Loss |  |  | (283)
Held-to-maturity Securities, Fair Value |  |  | 8,764
US Government Agency Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 54,737 |  | 55,155
Available-for-sale Securities, Gross Unrealized Gain | 12 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (1,914) |  | (2,966)
Available-for-sale | 52,835 |  | 52,189
Other |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis | 15,533 |  | 10,000
Available-for-sale Securities, Gross Unrealized Gain | 0 |  | 0
Available-for-sale Securities, Gross Unrealized Loss | (370) |  | (469)
Available-for-sale | 15,163 |  | 9,531
Held-to-maturity Securities, Amortized Cost |  |  | 207
Held-to-maturity Securities, Unrecognized Holding Gain |  |  | 0
Held-to-maturity Securities, Unrecognized Holding Loss |  |  | 0
Held-to-maturity Securities, Fair Value |  |  | $ 207
[1] | * The carrying amount and amortized cost are the same for all held-to-maturity securities, as no OTTI has been recorded.

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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