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Stock-Based Compensation - Restricted and Performance Stock Units Rollforward (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Restricted Stock Units  
Shares  
Nonvested as of December 31, 2021 | shares 355,434
Granted (in shares) | shares 133,787
Vested (in shares) | shares (37,235)
Nonvested as of March 31, 2022 | shares 451,986
Weighted Average Grant-Date Fair Value  
Nonvested as of December 31, 2021 | $ / shares $ 34.40
Granted (in dollars per share) | $ / shares 30.82
Vested (in dollars per share) | $ / shares 33.61
Nonvested as of March 31, 2022 | $ / shares $ 33.41
Performance Shares  
Shares  
Nonvested as of December 31, 2021 | shares 135,383
Granted (in shares) | shares 132,710
Nonvested as of March 31, 2022 | shares 268,093
Weighted Average Grant-Date Fair Value  
Nonvested as of December 31, 2021 | $ / shares $ 36.79
Granted (in dollars per share) | $ / shares 30.80
Nonvested as of March 31, 2022 | $ / shares $ 33.83