Goodwill and Other Intangible Assets (Amortization Expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 3,353	$ 3,848
Less: amortization included in discontinued operations	(44)	(6)
Total amortization of intangible assets from continuing operations	3,309	3,842
Retailer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1,003	1,536
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1,700	1,700
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 650	$ 612