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Stock-Based Compensation - Outstanding and Exercisable SARs by Grant Price (Details) - SARs - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award        
Outstanding, Number (in shares) 11,185 19,258 21,449 26,196
Outstanding, Weighted-Average Grant Price Per Share (in dollars per share) $ 20.47 $ 18.83 $ 18.38 $ 17.30
Outstanding, Weighted-Average Remaining Contractual Life (in years) 3 years 6 months      
Exercisable, Number (in shares) 10,515      
Exercisable, Weighted-Average Grant Price Per Share (in dollars per share) $ 19.80 $ 18.19 $ 17.50  
Exercisable, Weighted-Average Remaining Contractual Life (in years) 3 years 2 months 12 days      
$10.01-$20.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Exercise Price Range, Lower Limit (in usd per share) $ 10.01      
Exercise Price Range, Upper Limit (in usd per share) $ 20.00      
Outstanding, Number (in shares) 6,874      
Outstanding, Weighted-Average Grant Price Per Share (in dollars per share) $ 17.02      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 2 years 7 months 6 days      
Exercisable, Number (in shares) 6,874      
Exercisable, Weighted-Average Grant Price Per Share (in dollars per share) $ 17.02      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 2 years 7 months 6 days      
$20.01-$30.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Exercise Price Range, Lower Limit (in usd per share) $ 20.01      
Exercise Price Range, Upper Limit (in usd per share) $ 30.00      
Outstanding, Number (in shares) 3,761      
Outstanding, Weighted-Average Grant Price Per Share (in dollars per share) $ 24.90      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 4 years 4 months 24 days      
Exercisable, Number (in shares) 3,414      
Exercisable, Weighted-Average Grant Price Per Share (in dollars per share) $ 24.51      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 4 years 1 month 6 days      
$30.01-$40.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Exercise Price Range, Lower Limit (in usd per share) $ 30.01      
Exercise Price Range, Upper Limit (in usd per share) $ 40.00      
Outstanding, Number (in shares) 550      
Outstanding, Weighted-Average Grant Price Per Share (in dollars per share) $ 33.37      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 10 months 24 days      
Exercisable, Number (in shares) 227      
Exercisable, Weighted-Average Grant Price Per Share (in dollars per share) $ 33.15      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 6 years 1 month 6 days