Pension and Other Postretirement Benefits (Details 6) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Total	[1]	$ 29,812	$ 1,928	$ (5,357)
Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service cost		(657)
Net gain		15,679
Amortization of prior service costs		136
Amortization of actuarial loss		12,431
Foreign exchange rate changes		385
Total		27,974
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service cost		0
Net gain		1,620
Amortization of prior service costs		22
Amortization of actuarial loss		198
Foreign exchange rate changes		(2)
Total		$ 1,838

[1] Net of tax of $8,916, $401 and $(1,420) for the years ended December 31, 2021, 2020 and 2019, respectively.