Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value (usd per share)	$ 0.521	$ 0.521
Common stock, shares authorized (shares)	36,000,000	36,000,000
Common stock, shares issued (shares)	20,237,660	20,169,211
Common stock, shares outstanding (shares)	20,237,660	20,169,211