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Investment Securities Investment Securities Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Mar. 31, 2015
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | $ 88,885 | $ 102,230
Available-for-sale Securities, Gross Unrealized Gain |  | 18 | 102
Available-for-sale Securities, Gross Unrealized Loss |  | (1,931) | (1,147)
Available-for-sale |  | 86,972 | 101,185
Held-to-maturity Securities, Amortized Cost | [1] | 16,596 | 11,922
Held-to-maturity Securities, Unrecognized Holding Gain | [1] | 180 | 309
Held-to-maturity Securities, Unrecognized Holding Loss | [1] | (107) | 0
Held-to-maturity Securities, Fair Value | [1] | 16,669 | 12,231
securities amortized cost |  | 105,481 | 114,152
Unrealized Gain on Securities |  | 198 | 411
Unrealized Loss on Securities |  | (2,038) | (1,147)
Investments, Fair Value Disclosure |  | 103,641 | 113,416
Government National Mortgage Association |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 5,310 | 5,575
Available-for-sale Securities, Gross Unrealized Gain |  | 5 | 9
Available-for-sale Securities, Gross Unrealized Loss |  | (94) | (57)
Available-for-sale |  | 5,221 | 5,527
Held-to-maturity Securities, Amortized Cost | [1] | 2,896 | 3,100
Held-to-maturity Securities, Unrecognized Holding Gain | [1] | 180 | 232
Held-to-maturity Securities, Unrecognized Holding Loss | [1] | 0 | 0
Held-to-maturity Securities, Fair Value | [1] | 3,076 | 3,332
Federal Home Loan Mortgage Corporation |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 10,156 | 10,705
Available-for-sale Securities, Gross Unrealized Gain |  | 6 | 10
Available-for-sale Securities, Gross Unrealized Loss |  | (218) | (127)
Available-for-sale |  | 9,944 | 10,588
Federal National Mortgage Association |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 10,600 | 10,925
Available-for-sale Securities, Gross Unrealized Gain |  | 2 | 35
Available-for-sale Securities, Gross Unrealized Loss |  | (206) | (103)
Available-for-sale |  | 10,396 | 10,857
Held-to-maturity Securities, Amortized Cost | [1] | 12,700 | 8,822
Held-to-maturity Securities, Unrecognized Holding Gain | [1] | 0 | 77
Held-to-maturity Securities, Unrecognized Holding Loss | [1] | (107) | 0
Held-to-maturity Securities, Fair Value | [1] | 12,593 | 8,899
Other mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 46 | 47
Available-for-sale Securities, Gross Unrealized Gain |  | 0 | 0
Available-for-sale Securities, Gross Unrealized Loss |  | 0 | 0
Available-for-sale |  | 46 | 47
Mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 26,112 | 27,252
Available-for-sale Securities, Gross Unrealized Gain |  | 13 | 54
Available-for-sale Securities, Gross Unrealized Loss |  | (518) | (287)
Available-for-sale |  | 25,607 | 27,019
Held-to-maturity Securities, Amortized Cost | [1] | 15,596 | 11,922
Held-to-maturity Securities, Unrecognized Holding Gain | [1] | 180 | 309
Held-to-maturity Securities, Unrecognized Holding Loss | [1] | (107) | 0
Held-to-maturity Securities, Fair Value | [1] | 15,669 | 12,231
US Government Agency Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 51,791 | 58,464
Available-for-sale Securities, Gross Unrealized Gain |  | 5 | 48
Available-for-sale Securities, Gross Unrealized Loss |  | (1,088) | (662)
Available-for-sale |  | 50,708 | 57,850
Other |  |  |
Schedule of Investments [Line Items] |  |  |
Available-for-sale Securities, Amortized Cost Basis |  | 10,982 | 16,514
Available-for-sale Securities, Gross Unrealized Gain |  | 0 | 0
Available-for-sale Securities, Gross Unrealized Loss | [2] | (325) | (198)
Available-for-sale |  | 10,657 | $ 16,316
Corporate Bond Securities [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Held-to-maturity Securities, Amortized Cost | [1] | 1,000 |
Held-to-maturity Securities, Unrecognized Holding Gain | [1] | 0 |
Held-to-maturity Securities, Unrecognized Holding Loss | [1] | 0 |
Held-to-maturity Securities, Fair Value | [1] | $ 1,000 |
[1] | * The carrying amount and amortized cost are the same for all held-to-maturity securities, as no OTTI has been recorded.
[2] | (1) CRA fund comprised of over 95% agency securities.

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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=51813488&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=49167202&loc=d3e26610-111562 + Details
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