Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	$ 53,969	$ 42,743
Accumulated Amortization	(14,192)	(9,881)
Amortized intangible assets, Net Carrying Value	39,777	32,862
Intangible Assets, Gross (Excluding Goodwill)	54,429	43,203
Other intangible assets, net	40,237	33,322
Customer contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	39,564	38,342
Accumulated Amortization	(10,616)	(7,814)
Amortized intangible assets, Net Carrying Value	28,948	30,528
Operating contracts and licenses
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	9,687	665
Accumulated Amortization	(454)	(272)
Amortized intangible assets, Net Carrying Value	9,233	393
Other
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	4,718	3,736
Accumulated Amortization	(3,122)	(1,795)
Amortized intangible assets, Net Carrying Value	1,596	1,941
Business licenses
Finite-Lived Intangible Assets, Net [Abstract]
Unamortized intangible assets, Gross Carrying Value	$ 460	$ 460