Intangible Assets (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Subscriber relationships [Member]	Sep. 30, 2014 Licensing agreements [Member]	Sep. 30, 2014 Original equipment manufacturer relationships (OEM) [Member] Agero, Inc. [Member]	Sep. 30, 2014 Proprietary software [Member] Agero, Inc. [Member]	Jul. 31, 2008 Trademarks [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Impairment of intangible assets, indefinite-lived (excluding goodwill)	$ 0	$ 0	$ 0	$ 0
Intangible Assets (Textual) [Abstract]
Purchase price related to merger									250,000,000
Intangible assets (Additional Textual) [Abstract]
Weighted average useful lives (in years)					9 years	9 years 1 month 6 days	15 years	10 years
Amortization of intangible assets	$ 13,642,000	$ 12,107,000	$ 41,586,000	$ 37,043,000