XML 111 R93.htm IDEA: XBRL DOCUMENT v3.22.4
Pension and Postretirement Benefits (Change in Accumulated Other Comprehensive Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Postretirement Medical Benefits      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]      
Balance — January 1 $ (2,072) $ (1,213)  
Amortization of net loss 147 (16)  
Net gain (loss) arising during the year 1,336 (937)  
Amortization of prior service cost (93) (94)  
Prior service cost arising during the year 122 122 $ 122
Balance — December 31 (496) (2,072) (1,213)
United States | Pension Plan      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]      
Balance — January 1 (30,014) (49,321)  
Amortization of net loss 2,647 5,907  
Net gain (loss) arising during the year (17,085) 13,256  
Amortization of prior service cost (134) (144)  
Prior service cost arising during the year 137 0  
Balance — December 31 (44,455) (30,014) (49,321)
Foreign Plan | Pension Plan      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]      
Balance — January 1 (70,581) (97,246)  
Amortization of net loss 2,450 4,207  
Net gain (loss) arising during the year 21,099 17,995  
Settlement losses (130) (616)  
Currency translation impact and other 4,714 3,847  
Prior service cost arising during the year 293 300 262
Prior service cost arising during the year 233 0  
Balance — December 31 $ (42,421) $ (70,581) $ (97,246)