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Classification within AOCL on the Condenced Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]            
Foreign currency translation $ 1,438   $ 1,443      
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax (9,938)   (10,277)      
Postretirement medical plans 1,050   1,524      
Accumulated other comprehensive loss $ (7,450) $ (7,401) $ (7,310) $ (7,462) $ (7,415) $ (7,269)