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Regulatory Capital (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2012 | Dec. 31, 2012 | Dec. 31, 2011
Dividends Declarable By Bank Without Prior DFI Approval |  | $ 8.7 |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.19 | $ 0.72 | $ 0.60

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- Definition Amount of dividends declarable by the bank without prior DFI approval. + References No definition available. + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 + Details
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