Stockholders' Equity (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity, Class of Treasury Stock [Line Items]
Common stock, par value	$ 0.0001
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury stock, shares	18,250,900	0	0