Pension and Other Postretirement Benefits - Amounts to be Amortized From AOCI Over Next Fiscal Year (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	$ 2,923
Prior Service (Credit) Cost	(164)
Total	2,759
Other Postretirement Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	0
Prior Service (Credit) Cost	0
Total	0
Domestic plan [Member] | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	2,034
Prior Service (Credit) Cost	0
Total	2,034
Foreign [Member] | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	889
Prior Service (Credit) Cost	(164)
Total	$ 725