Net Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Earnings Available to Common Shareholders [Abstract]
Basic earnings per common share	$ 1,256	$ 1,044	$ 3,727	$ 2,337
Effect of dilutive securities, Stock options	0	0	0	0
Diluted earnings per common share	$ 1,256	$ 1,044	$ 3,727	$ 2,337
Common Shares [Abstract]
Basic earnings per common share (in shares)	5,559,016	5,542,703	5,549,148	5,542,126
Effect of dilutive securities, Stock options (in shares)	2,570	1,922	2,168	1,739
Diluted earnings per common share (in shares)	5,561,586	5,544,625	5,551,316	5,543,865
Per Share Amount [Abstract]
Basic earnings per common share (in dollars per share)	$ 0.23	$ 0.19	$ 0.67	$ 0.42
Diluted earnings per common share (in dollars per share)	$ 0.23	$ 0.19	$ 0.67	$ 0.42

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The amount resulting from the "as if" assumption that stock options or restrictive stock units were exercised for purposes of computing the dilutive effect of convertible securities.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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