Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings per share basic and diluted [Abstract]
Net income applicable to common stock	$ 3,283	$ 3,120
Basic earnings per share computation [Abstract]
Weighted average common shares outstanding (in shares)	3,323,949	3,026,265
Earnings per share - basic (in dollars per share)	$ 0.99	$ 1.03
Diluted earnings per share computation [Abstract]
Weighted average common shares outstanding for basic earnings per share (in shares)	3,323,949	3,026,265
Add: Dilutive effects of restricted stock (in shares)	0	0
Weighted average common shares outstanding for dilutive earnings per share (in shares)	3,323,949	3,026,265
Earnings per share - diluted (in dollars per share)	$ 0.99	$ 1.03
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)	5,325	4,082
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)	$ 46.69	$ 37.10
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)	$ 53.15	$ 53.50