Pension and Other Postretirement Benefit Plans (Amounts recognized in balance sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Net long-term pension asset	$ 5,849	$ 7,362
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net long-term pension asset	5,849	7,362
Accumulated other comprehensive loss consists of the following:
Net prior service cost	837	853
Net loss	5,668	3,897
Accumulated other comprehensive loss before taxes	$ 6,505	$ 4,750