Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Recognized on the Balance Sheet (Details)

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Benefit Plans - Recognized on the Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Pension Plans | United States    
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position    
Noncurrent liability $ (3,551) $ (11,542)
Accumulated other comprehensive income (loss) (672) 371
Net amount recognized (4,223) (11,171)
Defined Benefit Pension Plans | Foreign    
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position    
Noncurrent liability 0 0
Accumulated other comprehensive income (loss) 0 (1,198)
Net amount recognized 0 (1,198)
Other Postretirement Benefits Plans    
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position    
Current liability (17) (16)
Noncurrent liability (607) (634)
Accumulated other comprehensive income (loss) (59) 238
Net amount recognized $ (683) $ (412)