Pension and Other Postretirement Benefits (Details 5) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Accrued liabilities	$ 6,043	$ 6,318
Accrued retirement benefits	76,784	98,171
Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets	30,114	15,604
Accrued liabilities	3,160	3,204
Accrued retirement benefits	49,241	67,426
Accumulated other non-owner changes to equity, net	(110,109)	(138,083)
Net actuarial loss	(107,591)	(136,096)
Prior service costs	(2,518)	(1,987)
Pensions [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets	17,399	5,698
Accrued liabilities	3,160	3,204
Accrued retirement benefits	34,432	49,892
Accumulated other non-owner changes to equity, net	(96,425)	(118,951)
Net actuarial loss	(94,496)	(117,409)
Prior service costs	(1,929)	(1,542)
Pensions [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets	12,715	9,906
Accrued liabilities	0	0
Accrued retirement benefits	14,809	17,534
Accumulated other non-owner changes to equity, net	(13,684)	(19,132)
Net actuarial loss	(13,095)	(18,687)
Prior service costs	(589)	(445)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Accrued liabilities	2,883	3,114
Accrued retirement benefits	26,956	29,990
Accumulated other non-owner changes to equity, net	(2,198)	(4,036)
Net actuarial loss	(2,141)	(3,979)
Prior service costs	$ (57)	$ (57)