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Intangible Assets | 12 Months Ended
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Dec. 31, 2012
Intangible Assets [Abstract] |
Intangible Assets | Note 10 – Intangible Assets As a result of the acquisition of Alliance Bank Corporation in 2005, American Trust & Savings Bank in 2010 and Heartland in 2012, the Company has recorded certain amortizable intangible assets related to core deposit intangibles. The Core deposit intangible is being amortized over ten years using an accelerated method. Amortizable intangible assets are summarized as follows:
|  | December 31, 2012 |  |  | December 31, 2011 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |
Amortizable intangible assets Core deposit intangible |  | $ | 6,969 |  |  | $ | (2,921 | ) |  | $ | 4,637 |  |  | $ | (2,345 | )
Amortization expense for intangible assets totaled $576,000, $449,000, and $390,000 for the years ended December 31, 2012, 2011 and 2010. Estimated amortization for the years ending December 31 is as follows:
2013 |  | $ | 759 |
2014 |  |  | 749 |
2015 |  |  | 602 |
2016 |  |  | 502 |
2017 |  |  | 502 |
Thereafter |  |  | 934 |
|  | $ | 4,048 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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