Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 189,996	$ 191,738
Finite-Lived Intangible Assets, Accumulated Amortization	(39,018)	(29,515)
Finite-lived intangible assets, net	150,978	162,223	$ 173,065	$ 174,838
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	187,114	188,304
Finite-Lived Intangible Assets, Accumulated Amortization	(36,601)	(26,975)
Finite-lived intangible assets, net	150,513	161,329
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	421	493
Finite-Lived Intangible Assets, Accumulated Amortization	(366)	(378)
Finite-lived intangible assets, net	55	115
Unpatented Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,461	2,941
Finite-Lived Intangible Assets, Accumulated Amortization	(2,051)	(2,162)
Finite-lived intangible assets, net	$ 410	$ 779