Stockholders Equity - Accumulated Other Comprehensive Income, Net of Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Balance			$ (1,723)
Other Comprehensive Income Loss Net Of Tax	$ (22)	$ (4,688)	325	$ (4,103)
Balance	(1,398)		(1,398)
Foreign Currency Translation Adjustments
Balance			(1,595)
Other Comprehensive Income Loss Net Of Tax			292
Balance	(1,303)		(1,303)
Unrealized (Loss) Gain on Available-For-Sale Securities
Balance			(29)
Other Comprehensive Income Loss Net Of Tax			33
Balance	4		4
Defined Benefit Pension Plan Adjustment
Balance			(99)
Balance	$ (99)		$ (99)