Goodwill and Intangibles - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived			$ 2,293
Amortization expense related to intangible assets	$ 13,200	$ 4,300	24,900	$ 12,200
Accretion of contract rights under development agreements and placement fees	$ 170		$ 307	$ 15
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)			1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, useful life (years)			20 years