Goodwill and Other Intangible Assets (Gross Amount Of Other Intangible Assets And The Related Accumulated Amortization) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 54,721	$ 64,691
Retailer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	53,295	53,295
Accumulated amortization	(26,209)	(23,200)
Intangible assets, net	$ 27,086	30,095
Retailer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years
Retailer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years
Intangible assets, gross	$ 34,000	34,000
Accumulated amortization	(14,733)	(9,633)
Intangible assets, net	19,267	24,367
Other
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	16,800	16,800
Accumulated amortization	(8,432)	(6,571)
Intangible assets, net	$ 8,368	$ 10,229
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	1 year
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	40 years