Earnings Per Share (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013
Shares [Abstract]
Basic earnings per share (in shares)	7,872,079		7,867,222		7,886,232	7,862,719
Effect of dilutive securities - stock options (in shares)	7,775		9,747		10,309	9,632
Diluted earnings per share (in shares)	7,879,854		7,876,969	7,876,969	7,896,541	7,872,351
Per Share Amount [Abstract]
Basic earnings per share (in dollars per share)	$ 0.41	$ 0.41	$ 0.54		$ 0.85	$ 1.06
Effect of dilutive securities - stock options (in dollars per share)	$ 0		$ (0.01)		$ 0	$ 0
Diluted earnings per share (in dollars per share)	$ 0.41	$ 0.41	$ 0.53	$ 0.53	$ 0.85	$ 1.06
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities not included in computation of earning per share (in shares)					125,145	182,620