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Investment Securities Text Figures (Details) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) | Mar. 31, 2015 USD ($)
Schedule of Investments [Line Items] |  |  |
Available-for-sale |  | $ 68,192,000 | $ 101,185,000
Percentage Available-for-sale Securities |  | 81.30% |
Held-to-maturity | [1] | $ 15,731,000 | 11,922,000
Held-to-maturity Securities, Amortized Cost |  |  | $ 11,922,000
Percentage Held-to-maturity Securities |  | 18.70% |
Trading Securities |  | $ 0 |
Number of securities with unrealized loss |  | 30 | 23
US Government Agency Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position |  | 54.70% |
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months |  | 10 |
Available-for-sale |  | $ 36,744,000 | $ 57,850,000
Mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position |  | 30.90% |
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months |  | 7 |
Available-for-sale |  | $ 20,807,000 | 27,019,000
Other |  |  |
Schedule of Investments [Line Items] |  |  |
Number of AFS securities in Unrealized Loss Positions, greater than or equal to 12 months |  | 1 |
Available-for-sale |  | $ 10,641,000 | $ 16,316,000
[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=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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