Stockholders' Equity Narrative (Details) (Right plan, USD $)	9 Months Ended
	Sep. 30, 2014
Class of Warrant or Right [Line Items]
Declared dividend of right for each outstanding common share	1
Preferred stock purchase right for each outstanding common share	1
Lower bound percentage of common stock owned without board approval for rights to be exercisable	10.00%
Shareholders Rights Plan Redemption Price per Right	0.001
Preferred Stock Purchase Right, Duration in Which the Company May Redeem Purchase Right, Business Days Following the First Public Announcement of an Acquisition	10 days
Series B Junior Preferred Stock
Class of Warrant or Right [Line Items]
Shareholders' Rights Plan Represents Purchase of Preferred Stock	Each Right, once exercisable, represents the right to purchase one one-hundredth of a share (a “Unit”) of Series B Junior Preferred Stock of the Company
Exercise price of each Right	$ 54.00