Outstanding Shares and Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 22, 2015
Basic earnings per share [Abstract]
Net income	$ 5,870	$ 5,384	$ 4,646
Preferred stock dividend	(129)	(677)	(1,139)
Net income available to common shareholders	5,741	4,707	3,507
Weighted average common shares outstanding (in shares)	10,117,006	10,088,802	10,060,724
Basic earnings per share (in dollars per share)	$ 0.57	$ 0.47	$ 0.35
Diluted earnings per share [Abstract]
Net income	5,870	5,384	4,646
Preferred stock dividend	(129)	(677)	(1,139)
Net income available to common shareholders	$ 5,741	$ 4,707	$ 3,507
Weighted average common shares outstanding (in shares)	10,117,006	10,088,802	10,060,724
Effect of dilutive shares (in shares)	52,830	38,543	27,454
Adjusted weighted average common shares outstanding (in shares)	10,169,836	10,127,345	10,088,178
Diluted earnings per share (in dollars per share)	$ 0.56	$ 0.46	$ 0.35
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)	234,410	325,379	380,351
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)	6,137	2,154	0
Dividend Declared in 2015 Annual [Member] | Subsequent Event [Member]
Dividends Payable [Line Items]
Stock dividend (in hundredths)				4.00%
Dividends date declared	Jan. 22, 2015
Dividend date to be paid	Mar. 31, 2015
Dividends date of record	Feb. 27, 2015