Pension and Other Postretirement Benefits (Details 6) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Total	[1]	$ 7,864	$ 3,667	$ 29,812
Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service cost		2,169
Net gain		5,022
Amortization of prior service costs		229
Amortization of actuarial loss (gain)		511
Foreign exchange rate changes		(277)
Total		7,654
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service cost		0
Net gain		310
Amortization of prior service costs		8
Amortization of actuarial loss (gain)		(114)
Foreign exchange rate changes		6
Total		$ 210

[1] Net of tax of $3,221, $(489) and $8,916 for the years ended December 31, 2023, 2022 and 2021, respectively.