XML 211 R176.htm IDEA: XBRL DOCUMENT v3.20.4
Stock-Based Compensation - Outstanding and Exercisable SARs by Grant Price (Details) - SARs - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award        
Outstanding, Number (in shares) 19,258 21,449 26,196 31,929
Outstanding, Weighted-Average Grant Price Per Share (in usd per share) $ 18.83 $ 18.38 $ 17.30 $ 17.22
Outstanding, Weighted-Average Remaining Contractual Life (in years) 3 years 7 months 6 days      
Exercisable, Number (in shares) 17,979      
Exercisable, Weighted-Average Grant Price Per Share (in usd per share) $ 18.19 $ 17.50 $ 15.90  
Exercisable, Weighted-Average Remaining Contractual Life (in years) 3 years 3 months 18 days      
$10.01-$20.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Outstanding, Number (in shares) 13,661      
Outstanding, Weighted-Average Grant Price Per Share (in usd per share) $ 16.23      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 2 years 10 months 24 days      
Exercisable, Number (in shares) 13,661      
Exercisable, Weighted-Average Grant Price Per Share (in usd per share) $ 16.23      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 2 years 10 months 24 days      
$20.01-$30.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Outstanding, Number (in shares) 5,343      
Outstanding, Weighted-Average Grant Price Per Share (in usd per share) $ 24.81      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 5 years 3 months 18 days      
Exercisable, Number (in shares) 4,148      
Exercisable, Weighted-Average Grant Price Per Share (in usd per share) $ 24.04      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 4 years 8 months 12 days      
$30.01-$40.00        
Share-based Compensation Arrangement by Share-based Payment Award        
Outstanding, Number (in shares) 254      
Outstanding, Weighted-Average Grant Price Per Share (in usd per share) $ 33.15      
Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 1 month 6 days      
Exercisable, Number (in shares) 170      
Exercisable, Weighted-Average Grant Price Per Share (in usd per share) $ 33.15      
Exercisable, Weighted-Average Remaining Contractual Life (in years) 7 years 1 month 6 days