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Stock-based Compensation - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Weighted-average exercise price per share:      
Compensation expense recorded during the year $ 37,794 $ 45,105 $ 24,771
Stock Options      
Stock-Based Compensation      
Percentage of the award vesting at each of the three anniversaries 33.00%    
Contractual term of the stock options 10 years 10 years  
Fair Value Assumptions      
Expected volatility (as a percent) 38.00% 34.00% 30.00%
Expected dividends (as a percent) 1.40% 1.40% 0.00%
Risk-free rate, Minimum (as a percent) 0.10% 0.10% 2.50%
Risk-free rate, Maximum (as a percent) 1.70% 1.50% 2.70%
Summary of equity awards, options      
Balance at beginning of year (in units) 4,040,000 3,699,000 3,693,000
Granted (in units) 249,000 876,000 344,000
Exercised (in units) (377,000) (530,000) (317,000)
Forfeited or canceled (in units) (6,000) (5,000) (21,000)
Balance at end of year (in units) 3,906,000 4,040,000 3,699,000
Weighted-average exercise price per share:      
Outstanding at beginning of year (in dollars per share) $ 28.01 $ 18.40 $ 17.81
Granted (in dollars per share) 58.85 52.00 22.92
Exercised (in dollars per share) 19.96 17.72 16.26
Forfeited 39.52 20.61 20.70
Outstanding at end of year (in dollars per share) $ 28.43 $ 28.01 $ 18.40
Compensation expense recorded during the year $ 4,444 $ 14,980 $ 3,292
Number of options exercisable at end of year 3,397,000    
Weighted average exercise price per exercisable option $ 25.97    
Weighted-average remaining contractual term:      
Outstanding at end of year 5 years 7 months 6 days    
Exercisable at end of year 5 years 1 month 6 days    
Aggregate intrinsic value      
Outstanding at end of year $ 161,544    
Exercisable at end of year $ 148,820    
Number of shares expected to vest 509,000    
Weighted-average vesting period (in months) 10 months    
Employee Stock Option Ten Year Term      
Summary of equity awards, options      
Granted (in units)   604,000  
Minimum | Stock Options      
Fair Value Assumptions      
Expected grantee forfeiture rate (as a percent) 0.00% 0.00% 2.30%
Maximum | Stock Options      
Fair Value Assumptions      
Expected grantee forfeiture rate (as a percent) 6.70% 6.70% 22.70%