Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	$ 46,200	$ 6,817
Accumulated Amortization	(3,693)	(2,797)
Amortized intangible assets, Net Carrying Value	42,507us-gaap_FiniteLivedIntangibleAssetsNet	4,020us-gaap_FiniteLivedIntangibleAssetsNet
Intangible Assets, Gross (Excluding Goodwill)	46,660	7,277
Total Other Intangible Assets, Net	42,967	4,480
Customer contracts and relationships
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	41,624	5,537
Accumulated Amortization	(2,961)	(2,521)
Amortized intangible assets, Net Carrying Value	38,663	3,016
Other
Finite-Lived Intangible Assets, Net [Abstract]
Amortized intangible assets, Gross Carrying Value	4,576	1,280
Accumulated Amortization	(732)	(276)
Amortized intangible assets, Net Carrying Value	3,844	1,004
Business licenses
Finite-Lived Intangible Assets, Net [Abstract]
Unamortized intangible assets, Gross Carrying Value	$ 460	$ 460

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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