Goodwill and Intangibles Assets (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Summary of Intangible Assets
Gross Carrying Amount	$ 87,902	$ 16,800
Accumulated Amortization	(7,578)	(2,769)
Finite intangible assets, Net Carrying Amount	80,324	14,031
Intangible assets gross excluding goodwill	88,302	17,200
Intangible assets, net	80,724	14,431
Indefinite-lived Intangible Assets
Indefinite-lived intangible asset useful life	Indefinite	Indefinite
Other intellectual property [Member]
Indefinite-lived Intangible Assets
Indefinite intangible assets, Net Carrying Amount	400	400
Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life		11 years
Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life		3 years
Customer relationships [Member]
Summary of Intangible Assets
Gross Carrying Amount	52,707	13,317
Accumulated Amortization	(5,092,000)	(2,344)
Finite intangible assets, Net Carrying Amount	47,615	10,973
Customer relationships [Member] | Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	11 years
Customer relationships [Member] | Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	3 years
Trademarks, trade names and domain names [Member]
Summary of Intangible Assets
Gross Carrying Amount	16,547	1,547
Accumulated Amortization	(856)	(243)
Finite intangible assets, Net Carrying Amount	15,691	1,304
Trademarks, trade names and domain names [Member] | Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	11 years	11 years
Trademarks, trade names and domain names [Member] | Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	3 years	3 years
Technology [Member]
Summary of Intangible Assets
Finite intangible assets, useful life		10 years
Gross Carrying Amount	9,889	1,559
Accumulated Amortization	(683)	(149)
Finite intangible assets, Net Carrying Amount	9,206	1,410
Technology [Member] | Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	10 years
Technology [Member] | Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	5 years
Non-compete agreements [Member]
Summary of Intangible Assets
Gross Carrying Amount	4,384	336
Accumulated Amortization	(698)	(29)
Finite intangible assets, Net Carrying Amount	3,686	307
Non-compete agreements [Member] | Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	5 years	5 years
Non-compete agreements [Member] | Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	2 years	2 years
Licensing and servicing agreements [Member]
Summary of Intangible Assets
Gross Carrying Amount	4,140
Accumulated Amortization	(223)
Finite intangible assets, Net Carrying Amount	3,917
Licensing and servicing agreements [Member] | Maximum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	10 years
Licensing and servicing agreements [Member] | Minimum [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	2 years
Intellectual property [Member]
Summary of Intangible Assets
Finite intangible assets, useful life	5 years	5 years
Gross Carrying Amount	235	41
Accumulated Amortization	(26)	(4)
Finite intangible assets, Net Carrying Amount	$ 209	$ 37