Income Taxes Schedule of income tax expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Federal	$ (3,742)	$ 3,854	$ 3,040
State	(56)	729	870
Foreign	1,732	2,865	1,884
Total current	(2,066)	7,448	5,794
Federal	6,224	(4,284)	328
State	4,417	(822)	1,669
Foreign	(24)	(201)	(91)
Total deferred	10,617	(5,307)	1,906
Income tax expense	$ 8,551	$ 2,141	$ 7,700