Intangible Assets (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite lived intangible assets:
Accumulated amortization	$ (45,736)	$ (42,374)
Total finite lived intangible assets	48,154	57,915
Foreign currency translation adjustment	(1,693)	(380)
Total	55,192	66,619
Customer relationship intangibles
Finite lived intangible assets:
Customer relationship intangibles	91,523	97,922
Other intangibles, primarily trade name
Finite lived intangible assets:
Customer relationship intangibles	2,367	2,367
Trade Names
Intangible Assets
Indefinite lived intangible assets	$ 8,731	$ 9,084