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3. Investment Securities: Available-for-sale Securities (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Mar. 31, 2012
--- | --- | ---
Amortized Cost of Investment securities available for sale | $ 7,766 | $ 8,123
Trust Preferred |  |
Amortized Cost of Investment securities available for sale | 2,766 | 2,974
Available for Sale Securities Gross Unrealized Loss2 | (1,528) | (1,808)
Available for Sale Securities Estimated Fair Value | 1,238 | 1,166
Agency Securities |  |
Amortized Cost of Investment securities available for sale | 5,000 | 5,000
Available for Sale Securities Gross Unrealized Loss2 | (22) | (1)
Available for Sale Securities Estimated Fair Value | 4,978 | 4,999
Available-for-sale Securities |  |
Amortized Cost of Investment securities available for sale | 7,766 | 8,123
Available for Sale Securities Gross Unrealized Loss2 | (1,550) | (1,809)
Available for Sale Securities Estimated Fair Value | 6,216 | 6,314
Municipal Bonds |  |
Amortized Cost of Investment securities available for sale |  | 149
Available for Sale Securities Estimated Fair Value |  | $ 149

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
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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 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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