Income Taxes Schedule of Unrecognized Tax Benefits Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits, Increase Resulting from Acquisition	$ 80	$ 2,322
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	2,630	1,445	$ 1,693
Additions for acquired tax positions	302	302	302
Reductions for tax positions of prior years	(743)	0	0
Lapse of statutes of limitations	(119)	(134)	(550)
Settlements with taxing authorities	0	(1,182)	0
Foreign Currency Translation		(123)
Balance at December 31	2,273	$ 2,630	$ 1,445
Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation	$ 123