Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Goodwill and other impairments	$ 20,229	$ 0	$ 165
Amortization of intangible assets	$ 2,500	$ 2,500	$ 2,900
Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	6 years 6 months
Customer Loyalty Programs
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	7 years
Trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	3 years 9 months