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Nature of Operations and Summary of Significant Accounting Policies (Details Textual) (USD $) | 1 Months Ended | 12 Months Ended
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Nov. 30, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Business Valuation_Techniques Facilities Subsidiaries | Dec. 31, 2011 | Dec. 31, 2010
Nature of Operations and Summary of Significant Accounting Policies (Additional Textual) [Abstract] |  |  |  |  |
Wholly owned subsidiaries |  |  | 2 |  |
Full service facilities maintained by bank |  |  | 29 |  |
Number of business conduct |  |  | 0 |  |
Factor considered to be significant for fair value measurement |  |  | 10.00% |  |
Commercial loans as a percentage of total loan |  |  | 39.00% |  |
Residential real estate loans as a percentage of total loan |  |  | 16.00% |  |
Installment loans as a percentage of total loan |  |  | 24.00% |  |
Mortgage warehouse loans as a percentage of total loan |  |  | 21.00% |  |
Period in which loan sold by mortgage company |  |  | 30 days |  |
Minimum period loan held by mortgage company |  |  | 90 days |  |
Mortgage warehousing maximum pay off period |  |  | 30 days |  |
Costs are deferred due to the term |  |  | $ 0 |  |
Number of valuation techniques to measure fair value |  |  | 3 |  |
Accrual of interest discontinued description |  |  | principal or interest is past due 90 days or more, and the loan is not well secured or in the process of collection, or when serious doubt exists as to the collectability of a loan, the accrual of interest is discontinued |  |
Impaired loans charged off |  |  | 90 days |  |
Status of Non-Accrual of Loan |  |  | 90 days |  |
Impairment of Loan |  |  | 30 days |  |
Intangibles, Gross |  |  | 4,000,000 |  |
Goodwill |  | 5,910,000 | 19,748,000 | 5,910,000 |
Uncertain tax positions recognized |  |  | 50.00% |  |
Stock split conversion ratio | 1.5 | 1.5 |  |  |
Shares, non-dilutive |  |  | 8,438 | 47,117 | 72,500
Amount available for payment of dividend |  |  | 15,800,000 |  |
Cash and cash equivalents maximum maturity period |  |  | 1 day |  |
Compensation expense |  |  | 33,000 | 35,000 | 30,000
Reclassifications effect on net income |  |  | $ 0 |  |
Buildings and improvements [Member] | Minimum [Member] |  |  |  |  |
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Useful Life for depreciation |  |  | 3 years |  |
Buildings and improvements [Member] | Maximum [Member] |  |  |  |  |
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Useful Life for depreciation |  |  | 40 years |  |
Furniture and Equipment [Member] | Minimum [Member] |  |  |  |  |
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Useful Life for depreciation |  |  | 2 years |  |
Furniture and Equipment [Member] | Maximum [Member] |  |  |  |  |
Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Useful Life for depreciation |  |  | 20 years |  |

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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -Clause 1 -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 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph l -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 34 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -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. + Details
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