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Investment Securities Text Figures (Details) | 12 Months Ended
--- | ---
Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items] |  |  |
Investments, Fair Value Disclosure | $ 71,833,000 | $ 112,435,000 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | 13 | 23 |
Available-for-sale Securities | $ 56,180,000 | $ 100,204,000 | [1],[2]
Percentage Available-for-sale Securities | 78.60% |  |
Held-to-maturity Securities, Fair Value | $ 15,653,000 | 12,231,000 |
Held-to-maturity | $ 15,311,000 | 11,922,000 |
Percentage Held-to-maturity Securities | 21.40% |  |
Trading Securities | $ 0 |  |
Proceeds from Sale and Maturity of Held-to-maturity Securities | 0 |  |
Available-for-sale Securities, Change in Net Unrealized Holding Gain (Loss) before Taxes | 0 | 1,000,000 |
Financial Instruments, Owned and Pledged as Collateral, at Fair Value | $ 60,800,000 |  |
Mortgage Backed Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 39.20% |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | 6 |  |
Available-for-sale Securities | $ 20,170,000 | 27,019,000 |
US Government Agencies Debt Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 36.00% |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | 6 |  |
Available-for-sale Securities | $ 26,069,000 | 57,850,000 |
Other [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | 1 |  |
Available-for-sale Securities | $ 9,941,000 | 15,335,000 | [1],[3]
Restatement Adjustment [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Securities |  | (981,000) |
Held-to-maturity |  | $ 0 |
[1] | (1) March 31, 2015 and 2014 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 18 for further detail.
[2] | (1) March 31, 2015 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 18 for further detail.
[3] | (1) March 31, 2015 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 18 for further detail.

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- Definition The fair value as of the balance sheet date of financial instruments and other positions owned by the entity and pledged to counterparties as collateral, including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 + Details
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