Goodwill and Other Intangible Assets (Gross Amount Of Other Intangible Assets And The Related Accumulated Amortization) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 3,847	$ 1,877	$ 7,695	$ 3,894
Intangible assets, net	71,688		71,688		79,383
Retailer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1,535	1,568	3,071	3,145
Intangible assets, gross	53,295		53,295		53,295
Intangible assets, accumulated amortization	(20,839)		(20,839)		(17,768)
Intangible assets, net	32,456		32,456		35,527
Retailer relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period			5 years
Retailer relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period				10 years
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1,700	0	3,400	0
Amortization Period			5 years
Intangible assets, gross	34,000		34,000		34,000
Intangible assets, accumulated amortization	(6,233)		(6,233)		(2,833)
Intangible assets, net	27,767		27,767		31,167
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	612	309	1,224	749
Intangible assets, gross	16,800		16,800		16,800
Intangible assets, accumulated amortization	(5,335)		(5,335)		(4,111)
Intangible assets, net	$ 11,465		$ 11,465		$ 12,689
Other [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period			1 year
Other [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period				40 years