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Investment Securities, Available-for-Sale (Details Textual) (Residential mortgage-backed securities [Member], USD $) | Mar. 31, 2013 | Dec. 31, 2012
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Residential mortgage-backed securities [Member] |  |
Investment Securities, Available-for-Sale (Textual) [Abstract] |  |
Non-guaranteed private label whole loan mortgage-backed securities | $ 43,200,000 | $ 46,733,000

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- Definition Non-guaranteed private label whole loan mortgage backed securities available for sale disclosure. + References No definition available. + Details
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