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Stock-Based Compensation - Restricted Stock and Performance Unit Activity (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Allocated share-based compensation expense $ 3,200,000 $ 2,200,000 $ 9,300,000 $ 6,800,000
Tax benefit from compensation expense 865,000 579,000 2,400,000 1,700,000
Unrecognized compensation expense related to non-vested stock option grants $ 0   $ 0  
Restricted stock and performance units        
Number of Shares        
Outstanding - beginning of period (in shares)     1,561,197  
Granted (in shares)     981,558  
Vested (in shares)     (616,521)  
Forfeited (in shares)     (168,217)  
Outstanding - end of period (in shares) 1,758,017   1,758,017  
Weighted-Average Grant Date Fair Value        
Outstanding - beginning of period (in dollars per share)     $ 12.08  
Granted (in dollars per share)     15.93  
Vested (in dollars per share)     12.66  
Forfeited (in dollars per share)     13.50  
Outstanding - end of period (in dollars per share) $ 13.89   $ 13.89  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Equity instruments other than options, vested in period     $ 9,500,000 9,400,000
Total compensation cost not yet recognized, period for recognition     1 year 10 months 24 days  
Unrecognized compensation expense related to non-vested equity instruments other than options $ 16,500,000   $ 16,500,000  
Employee Stock Purchase Plan (ESPP)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Discount rate to the closing price, purchase date     10.00%  
Maximum amount of common shares purchased under ESPP of employee's base salary, percent 20.00%   20.00%  
Cap amount for shares purchased per employee     $ 25,000  
Allocated share-based compensation expense $ 50,000 $ 219,000 $ 284,000 $ 296,000