Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Dec. 31, 2013
Deferred compensation plan held Rabbi Trust (in shares)	52,759.5	52,759.5	51,742.5
Shares issued under the performance incentive plan withheld for employee taxes (in shares)		12,687	15,616.5
Cash Dividends Declared Per Share of Common Stock (in usd per share)	$ 0.27	$ 0.797	$ 1.013