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Equity and Cash Incentive Programs - Fair Value and Average Attainment Used in Determining Compensation Cost of the Performance Shares (Details) - Performance shares - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Market Vesting Conditions      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value at date of grant (in dollars per share) $ 26.32 $ 14.55 $ 57.43
Performance Vesting Conditions      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value at date of grant (in dollars per share) $ 17.61 $ 0  
Average attainment rate reflected in expense 100.00% 0.00%