Income Taxes (Valuation Allowance Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Valuation Allowance [Line Items]
Change in valuation allowance	$ 20,400,000	$ (31,600,000)	$ 1,200,000
Valuation allowance	66,486,000	46,048,000	77,629,000	76,452,000
U.S. Federal
Valuation Allowance [Line Items]
Valuation allowance	55,800,000
Foreign
Valuation Allowance [Line Items]
Valuation allowance	$ 10,700,000