Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [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	$ 264,900
Minimum percentage realization for recognition of income tax position	50.00%
Unrecognized tax benefits	$ 266	$ 220	$ 188
Unrecognized tax benefits, if recognized, would reduce the Company’s effective tax rate	300
Accrued potential interest and penalties related to unrecognized tax benefits	100	$ 100
Federal [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 72,100
Operating loss carryforwards, expiration date	Dec. 31, 2035
Foreign [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 5,600
Operating loss carryforwards, expiration date	Dec. 31, 2017
State [Member]
Income Taxes [Line Items]
Operating loss carryforwards	$ 11,300
Operating loss carryforwards, expiration date	Dec. 31, 2029
Earliest Tax Year [Member] | Federal [Member]
Income Taxes [Line Items]
Tax years subject to examinations by tax authorities	2013
Earliest Tax Year [Member] | State [Member]
Income Taxes [Line Items]
Tax years subject to examinations by tax authorities	2012
Latest Tax Year [Member] | Federal [Member]
Income Taxes [Line Items]
Tax years subject to examinations by tax authorities	2015
Latest Tax Year [Member] | State [Member]
Income Taxes [Line Items]
Tax years subject to examinations by tax authorities	2015