Goodwill and Intagible Assets Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 100
Amortization of Intangible Assets	1,068	$ 1,283
General and administrative
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	713	831
Cost of service sales
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 355	$ 452