Condensed Consolidated Statement of Shareholders' Equity (Unaudited) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.13	$ 0.09	$ 0.39	$ 0.27