Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Components of AOCI (Details)

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Stockholders' Equity - Components of AOCI (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax        
Stockholders equity $ 707,229 $ 740,737 $ 1,277,179 $ 1,785,318
Accumulated other comprehensive income (loss)        
Accumulated Other Comprehensive Income (Loss), Net of Tax        
Stockholders equity 5,992 (5,792) $ (15,265) $ (15,348)
Defined benefit and other postretirement plans        
Tax        
Tax related to AOCI (4,078) (4,957)    
Accumulated Other Comprehensive Income (Loss), Net of Tax        
Stockholders equity 12,132 14,808    
Net gain (loss) from hedging activities        
Tax        
Tax related to AOCI (9,057) (759)    
Accumulated Other Comprehensive Income (Loss), Net of Tax        
Stockholders equity 26,636 2,254    
Foreign currency translation        
Tax        
Tax related to AOCI 8,177 8,177    
Accumulated Other Comprehensive Income (Loss), Net of Tax        
Stockholders equity $ (32,776) $ (22,854)