Earnings per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Basic earnings per share computation [Abstract]
Net income applicable to common stock	$ 3,176	$ 3,287
Weighted average common shares outstanding (in shares)	3,012,204	3,033,716
Earnings per share - basic (in dollars per share)	$ 1.05	$ 1.08
Diluted earnings per share computation [Abstract]
Weighted average common shares outstanding for basic earnings per share (in shares)	3,012,204	3,033,716
Add: Dilutive effects of restricted stock (in shares)	194	449
Weighted average common shares outstanding for dilutive earnings per share (in shares)	3,012,398	3,034,165
Earnings per share - dilutive (in dollars per share)	$ 1.05	$ 1.08
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive restricted stock excluded from net income per share calculations (in shares)	2,581	147
Antidilutive stock share price range (in dollars per share)		$ 26.80
Restricted Stock [Member] | Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive stock share price range (in dollars per share)	$ 37.35
Restricted Stock [Member] | Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive stock share price range (in dollars per share)	$ 50.15