Other Assets (Details 1) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Issuance Costs, Line of Credit Arrangements, Net	$ 10,242	$ 6,947
Deferred Tax Assets, Net, Noncurrent	43,431	34,848
Other Assets, Miscellaneous, Noncurrent	3,856	3,579
Other Assets, Noncurrent	$ 57,529	$ 45,374