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Investment Securities Amortized Cost and Estimated Fair Value (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2012 | Mar. 31, 2012
Schedule of Available-for-sale Securities [Line Items] |  |
available for sale, at fair value | $ 114,462 | $ 85,106
HTM Estimated Fair Value | 10,737 | 11,774
Total securities amortized cost | 123,828 | 95,821
Total securities gross unrealized gain | 1,653 | 1,175
Total securities gross unrealized losses | (282) | (116)
Total securities Estimated Fair Value | 125,199 | 96,880
Government National Mortgage Association |  |
Schedule of Available-for-sale Securities [Line Items] |  |
HTM Amortized Cost | 5,983 | 6,659
HTM Gross Unrealized Gains | 483 | 473
HTM Gross Unrealized Losses | 0 | 0
HTM Estimated Fair Value | 6,466 | 7,132
Held-to-maturity Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
HTM Amortized Cost | 10,038 | 11,081
HTM Gross Unrealized Gains | 699 | 693
HTM Gross Unrealized Losses | 0 | 0
HTM Estimated Fair Value | 10,737 | 11,774
Federal National Mortgage Association |  |
Schedule of Available-for-sale Securities [Line Items] |  |
HTM Amortized Cost | 1,496 | 1,628
HTM Gross Unrealized Gains | 92 | 86
HTM Gross Unrealized Losses | 0 | 0
HTM Estimated Fair Value | 1,588 | 1,714
Federal Home Loan Mortgage Corporation |  |
Schedule of Available-for-sale Securities [Line Items] |  |
HTM Amortized Cost | 2,559 | 2,794
HTM Gross Unrealized Gains | 124 | 134
HTM Gross Unrealized Losses | 0 | 0
HTM Estimated Fair Value | 2,683 | 2,928
Available-for-sale Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 113,790 | 84,740
AFS Gross Unrealized Gains | 954 | 482
AFS Gross Unrealized Losses | (282) | (116)
available for sale, at fair value | 114,462 | 85,106
Total mortgage-backed securities AFS |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 39,934 | 45,782
AFS Gross Unrealized Gains | 456 | 327
AFS Gross Unrealized Losses | (241) | (25)
available for sale, at fair value | 40,149 | 46,084
Government National Mortgage Association |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 25,217 | 31,100
AFS Gross Unrealized Gains | 203 | 269
AFS Gross Unrealized Losses | (210) | (23)
available for sale, at fair value | 25,210 | 31,346
Federal Home Loan Mortgage Corporation |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 7,500 | 7,468
AFS Gross Unrealized Gains | 68 | 8
AFS Gross Unrealized Losses | (31) | (1)
available for sale, at fair value | 7,537 | 7,475
Federal National Mortgage Association |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 5,204 | 7,214
AFS Gross Unrealized Gains | 151 | 50
AFS Gross Unrealized Losses | 0 | (1)
available for sale, at fair value | 5,355 | 7,263
Small Business Association |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 1,962 |
AFS Gross Unrealized Gains | 34 |
AFS Gross Unrealized Losses | 0 |
available for sale, at fair value | 1,996 |
Other |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 51 |
AFS Gross Unrealized Gains | 0 |
AFS Gross Unrealized Losses | 0 |
available for sale, at fair value | 51 |
US Government Agency Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 43,128 | 23,176
AFS Gross Unrealized Gains | 153 | 91
AFS Gross Unrealized Losses | (20) | (63)
available for sale, at fair value | 43,261 | 23,204
US Government Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 3,102 | 3,356
AFS Gross Unrealized Gains | 3 | 6
AFS Gross Unrealized Losses | 0 | (1)
available for sale, at fair value | 3,105 | 3,361
Corporate Bonds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 1,904 | 1,890
AFS Gross Unrealized Gains | 114 | 58
AFS Gross Unrealized Losses | 0 | 0
available for sale, at fair value | 2,018 | 1,948
Asset-backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 15,237 |
AFS Gross Unrealized Gains | 48 |
AFS Gross Unrealized Losses | (21) |
available for sale, at fair value | 15,264 |
Other |  |
Schedule of Available-for-sale Securities [Line Items] |  |
AFS Amortized Cost | 10,485 | 10,536
AFS Gross Unrealized Gains | 180 | 0
AFS Gross Unrealized Losses | 0 | (27)
available for sale, at fair value | $ 10,665 | $ 10,509

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6379932&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 + Details
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- Definition This item represents the amortized cost, prior to other than temporary impairment (OTTI), of investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that the entity has the positive intent and ability to hold until maturity. The temporary impairments arise from the unrealized losses that are recognized in AOCI. + References No definition available. + Details
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