Other (Income)/Expense, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Currency transaction (gains)/losses	$ 17	$ 342	$ 14,851	$ (1,696)
Bank fees and amortization of debt issuance costs	93	72	168	181
Components of net periodic pension and postretirement cost other than service	754	281	1,139	562
Other	227	235	502	675
Total	1,091	930	$ 16,660	$ (278)
Foreign currency transaction gain (loss), realized	(14,800)
Other income (expense), net	$ 600	$ 1,700