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
Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 61,338us-gaap_FiniteLivedIntangibleAssetsNet	$ 64,691us-gaap_FiniteLivedIntangibleAssetsNet
Retailer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	53,295	53,295
Intangible assets, accumulated amortization	(24,203)	(23,200)
Intangible assets, net	29,092	30,095
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
Intangible assets, accumulated amortization	(11,333)	(9,633)
Intangible assets, net	22,667	24,367
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	16,800	16,800
Intangible assets, accumulated amortization	(7,221)	(6,571)
Intangible assets, net	$ 9,579	$ 10,229
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

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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