Earnings Per Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Shares [Abstract]
Basic earnings per share (in shares)	3,730,877	3,713,342	3,725,713	3,708,219
Effect of dilutive securities, stock-based awards (in shares)	17,422	15,622	15,914	14,084
Diluted earnings per share (in shares)	3,748,299	3,728,964	3,741,627	3,722,303
Per share amount [Abstract]
Basic earnings per share (in dollars per share)	$ 0.33	$ 0.22	$ 0.60	$ 0.48
Diluted earnings per share (in dollars per share)	$ 0.33	$ 0.22	$ 0.60	$ 0.47