Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract]
Amortization of net actuarial (gain) loss, Gross Amount	$ (321)	$ (330)	$ 3,782
Amortization of net actuarial (gain) loss, Income Tax (Provision) Benefit	78	81	(952)
Amortization of net actuarial (gain) loss, Net Amount	(243)	(249)	2,830
Actuarial gain , Gross Amount	22,438	58,147	44,491
Actuarial gain , Income Tax (Provision) Benefit	(5,467)	(14,030)	(10,774)
Actuarial gain , Net Amount	16,971	44,117	33,717
Foreign currency translation, Gross Amount	1,425	(1,049)	(1,061)
Foreign currency translation, Income Tax (Provision) Benefit	0	0	0
Foreign currency translation, Net Amount	1,425	(1,049)	(1,061)
Total other comprehensive income (loss), Gross Amount	23,542	56,768	47,212
Total other comprehensive income (loss), Income Tax (Provision) Benefit	(5,389)	(13,949)	(11,726)
Total other comprehensive income , net of taxes	$ 18,153	$ 42,819	$ 35,486