Earnings per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Income available to common shareholders	$ 4,502	$ 4,638	$ 11,994	$ 12,258
Weighted average number of common shares, basic, (in shares)	15,531	15,413	15,491	15,418
Effect of dilutive stock awards (in shares)	58	33	47	35
Weighted average number of common shares, diluted (in shares)	15,589	15,446	15,538	15,453
Earnings per Common Share [Abstract]
Basic (in dollars per share)	$ 0.29	$ 0.30	$ 0.77	$ 0.80
Diluted (in dollars per share)	$ 0.29	$ 0.30	$ 0.77	$ 0.79
Antidilutive stock award excluded from the computation of diluted earnings per common share (in shares)	38	44	39	46