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Trust Preferred Capital Notes (Details) (USD $) | 12 Months Ended |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Trust II [Member] | Dec. 31, 2011 Trust II [Member] | Sep. 20, 2007 Trust II [Member] | Dec. 31, 2012 Maximum [Member]
Trust Preferred Capital Notes [Line Items] |  |  |  |  |  |
Trust preferred securities issued by subsidiary trust |  |  | $ 7,000,000 |  | $ 7,000,000 |
Common equity issued by subsidiary trust |  |  |  |  | 217,000 |
Trust preferred capital notes | $ 7,217,000 | $ 7,217,000 |  |  | $ 7,217,000 |
Floating rate of interest |  |  | 1.93% | 2.15% |  |
Redemption date of securities | September 1, 2037 |  |  |  |  |
Portion of trust preferred securities in Tier 1 capital, percentage |  |  |  |  |  | 25.00%

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- Definition Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares. + 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 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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