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Stock-Based Compensation and Employee Benefit Plans (Summary of SOSAR Activity Under Incentive Plan) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Stock-Based Compensation and Employee Benefit Plans [Abstract]    
Outstanding, beginning of year, Shares 364  
Outstanding, beginning of year, Weighted-Average Exercise Price $ 838.62  
Granted, Shares 98  
Granted, weighted-average exercise price $ 1,556.14  
Exercised, Shares (84)  
Exercised, Weighted-Average Exercise Price $ 626.94  
Forfeited or cancelled, Shares (23)  
Forfeited or cancelled, Weighted-Average Exercise Price $ 1,361.84  
Outstanding, end of year, Shares 355  
Outstanding, end of year, Weighted-Average Exercise Price $ 1,053.84  
Outstanding, Weighted-Average Remaining Years of Contractual Life 4 years 4 months 24 days  
Outstanding, Aggregate Intrinsic Value $ 142,916 $ 331,352
Exercisable, Shares 149  
Exercisable, Weighted-Average Exercise Price $ 593.52  
Exercisable, Weighted-Average Remaining Years of Contractual Life 3 years  
Exercisable, Aggregate Intrinsic Value $ 118,514  
Vested and expected to vest, shares 344  
Vested and expected to vest, Weighted-Average Exercise Price $ 1,038.25  
Vested and expected to vest, Weighted-Average Remaining Years of Contractual Life 4 years 3 months 18 days  
Vested and expected to vest, Aggregate Intrinsic Value $ 142,743