Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
U.S federal income tax rate	35.00%	35.00%	35.00%
Federal net operating loss deferred tax assets	$ 1,000
State net operating loss deferred tax assets	100
Undistributed foreign earnings	263,900
Unrecognized tax benefits	220	$ 188	$ 140
Accrued potential interest and penalties related to unrecognized tax benefits	100	$ 100
Federal [Member]
Income Tax Contingency [Line Items]
Operating loss carryforwards	$ 35,500
Operating loss carryforwards, expiration date	Dec. 31, 2035
Foreign [Member]
Income Tax Contingency [Line Items]
Operating loss carryforwards	$ 18,900
Operating loss carryforwards, expiration date	Dec. 31, 2017
State [Member]
Income Tax Contingency [Line Items]
Operating loss carryforwards	$ 9,000
Operating loss carryforwards, expiration date	Dec. 31, 2029
Earliest Tax Year [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Tax years subject to examinations by tax authorities	2011
Earliest Tax Year [Member] | State [Member]
Income Tax Contingency [Line Items]
Tax years subject to examinations by tax authorities	2011
Latest Tax Year [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Tax years subject to examinations by tax authorities	2014
Latest Tax Year [Member] | State [Member]
Income Tax Contingency [Line Items]
Tax years subject to examinations by tax authorities	2014