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Share-based Compensation and Other Employment Benefit Plans - Stock Options (Details) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Quantity      
Outstanding at beginning of year (in shares) 2,401,000 3,037,000 640,000
Assumed in acquisition (in shares) 0 0 3,230,000
Options exercised (in shares) (923,000) (572,000) (820,000)
Options expired/canceled (in shares) 0 (64,000) (13,000)
Options outstanding at end of year (in shares) 1,478,000 2,401,000 3,037,000
Options exercisable at end of year (in shares) 1,478,000 2,401,000 2,399,000
Weighted-Average Exercise Price      
Outstanding at beginning of year (in dollars per share) $ 22.47 $ 22.74 $ 16.93
Assumed in acquisition (in dollars per share) 0 0 23.22
Options exercised (in dollars per share) 22.07 22.67 19.91
Options expired (in dollars per share) 0 33.50 34.23
Options outstanding at end of year (in dollars per share) 22.71 22.47 22.74
Options exercisable at end of year (in dollars per share) $ 22.71 $ 22.47 $ 19.52