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Stock Compensation Plans Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum period stock options, appreciation rights, restricted stock, and restricted stock units can be granted 10 years    
Number of Years Stock Options are Exercisable After Grant Date 10 years    
Number of shares available for grant 22,600,000    
Long-term incentive plan liability $ 22,600,000 $ 19,100,000  
Stock options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 4 years    
Unrecognized stock compensation expense $ 0    
Aggregate instrinsic value of stock options exercised     $ 10,500,000
Restricted stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 3 years    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock units outstanding vested but not yet paid 200,000    
Restricted Stock, Performance Shares, and Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized stock compensation expense $ 27,900,000    
Restricted stock shares vested during period, total fair value $ 30,500,000 $ 43,300,000 $ 32,100,000
Weighted average period in which stock based compensation costs are expensed 2 years    
Field long-term compensation plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 3 years    
Senior management long-term compensation plan [Member] [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock compensation plan price floor $ 5.00