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		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 68,017		$ 68,017		$ 79,383
Amortization of intangible assets	3,671	3,191	11,366	7,085
Retailer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	53,295		53,295		53,295
Intangible assets, accumulated amortization	(22,197)		(22,197)		(17,768)
Intangible assets, net	31,098		31,098		35,527
Amortization of intangible assets	1,358	1,568	4,429	4,713
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 Period			5 years
Intangible assets, gross	34,000		34,000		34,000
Intangible assets, accumulated amortization	(7,933)		(7,933)		(2,833)
Intangible assets, net	26,067		26,067		31,167
Amortization of intangible assets	1,700	1,133	5,100	1,133
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	16,800		16,800		16,800
Intangible assets, accumulated amortization	(5,948)		(5,948)		(4,111)
Intangible assets, net	10,852		10,852		12,689
Amortization of intangible assets	$ 613	$ 490	$ 1,837	$ 1,239
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