Income Taxes (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
The company has not recognized deferred income taxes of undistributed earnings of its international subsidiaries	$ 1,081,352
The Company repatriated a dividend from a portion of current year foreign earnings to the U.S. in the amount of	8,328
Dividend increased tax expense by	$ 2,890
Dividend increased tax expense by	1.60%	4.30%	2.60%