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Nature of Banking Activities and Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2012 Entity | Dec. 31, 2011 | Dec. 31, 2010
Nature of Banking Activities and Significant Accounting Policies (Additional Textual) [Abstract] |  |  |
Number of accounts included by parent company | 6 |  |
Recognition of other than temporary impairment on basis of credit loss description | If there is no credit loss, there is no other-than-temporary impairment. If there is a credit loss, other-than-temporary impairment exists, and the credit loss must be recognized in net income and the remaining portion of impairment must be recognized in other comprehensive income. |  |
Gain (loss) on rate lock commitments | $ 0 |  |
Reclassified TDR value | 6,300,000 | 11,400,000 |
Loan segment and allowance factors assigned by management on number of years | 3 years |  |
Largest amount of tax benefit realized by taxing authority | 50.00% |  |
Liability for unrecognized tax benefits | 0 | 0 |
Potential common shares that would have a dilutive effect | 0 |  |
Average number of common shares outstanding basic and diluted | 3,944,506 | 2,953,344 | 2,939,561
Advertising cost | 364,000 | 368,000 | 398,000
Maximum [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Period of time between issuance of a loan commitment and closing and sale of the loan | 60 days |  |
Accrual status of loan | 90 days |  |
Company not considered value of impairment on individual consumer, residential and small commercial loans | 500,000 |  |
Maximum [Member] | Premises and Equipment [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Estimated useful lives of depreciation of Premises and equipment | 40 years |  |
Maximum [Member] | Software [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Estimated useful lives of depreciation of Premises and equipment | 7 years |  |
Minimum [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Period of time between issuance of a loan commitment and closing and sale of the loan | 30 days |  |
Management's policy on evaluation of impairment | $ 500,000 |  |
Minimum [Member] | Premises and Equipment [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Estimated useful lives of depreciation of Premises and equipment | 3 years |  |
Minimum [Member] | Software [Member] |  |  |
Nature of Banking Activities and Significant Accounting Policies (Textual) [Abstract] |  |  |
Estimated useful lives of depreciation of Premises and equipment | 3 years |  |

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