Goodwill and Intangible Assets - Textual (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill, impaired, accumulated impairment loss	$ 46,883,000
Goodwill, Impairment Loss	$ 0
Weighted average amortization period	6 years
Finite lived intangible assets amortization expenses	$ 30,024,000	$ 29,749,000	$ 18,456,000
Other Intangible Assets
Goodwill [Line Items]
Weighted average amortization period	7 years
Customer Relationships
Goodwill [Line Items]
Weighted average amortization period	5 years
Sale of Subsidiary Gain (Loss) [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss		$ 15,564