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Stockholders' Equity Stockholders' Equity Text tags (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2011 | Dec. 31, 1994 | Dec. 31, 2011 | Mar. 31, 2016 | Mar. 31, 2015 | Oct. 24, 1994
Stockholders' Equity Note [Abstract] |  |  |  |  |  |  |
Common Stock, Shares, Issued |  |  |  | 3,698,031 | 3,698,031 |  | 2,314,375
Common Stock, Par or Stated Value Per Share |  |  |  | $ 0.01 | $ 0.01 |  | $ 0.01
Share Price |  |  |  |  |  |  | $ 10
Proceeds from Issuance of Common Stock |  | $ 21.5 |  |  |  |  |
Tier One Leverage Capital Required for Capital Adequacy to Average Assets |  |  |  | 4.00% | 4.00% |  |
Capital Required for Capital Adequacy to Risk Weighted Assets |  |  |  | 8.00% | 8.00% |  |
OCC directive Tier 1 Leverage capital ratio |  |  |  | 9.00% |  |  |
OCC directive Total risk-based capital ratio |  |  |  | 12.00% |  |  |
Tier One Leverage Capital to Average Assets |  |  |  | 9.22% | 10.63% | [1] |
Capital to Risk Weighted Assets |  |  |  | 14.04% | 16.48% | [2] |
Tier One Risk Based Capital to Risk Weighted Assets |  |  |  | 12.66% | 14.80% | [1] |
Proceeds from Issuance of Convertible Preferred Stock | $ 55.0 |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | 51.4 |  |  |  |  |  |
Proceeds from Contributions from Parent | $ 37.0 |  | $ 7.0 |  |  |  |
[1] | (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.
[2] | (1) March 31, 2015 balance has been been restated from previously reported amounts to correct for the classification of $981 thousand of interest-bearing deposits from available-for-sale securities to other assets, and the reclassification of negative escrow balances from Other Assets to Loans Receivable and Loans Held-for-Sale.

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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 + Details
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- Definition The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 + Details
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