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Stock-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
plan
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of incentive plans | plan 2    
Granted (in shares) | shares 0    
Grants (in dollars per share) | $ / shares $ 0    
Weighted average remaining contractual term 5 years 8 months 12 days    
Employee Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares) | shares 750,000    
Shares reserved for future issuance (in shares) | shares 609,670    
Discount from market price, offering date 15.00%    
Share-based offering period 6 months    
Maximum percentage of employee compensation for purchase of common stock 10.00%    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) | shares 0 8,000 189,170
Grants (in dollars per share) | $ / shares $ 0 $ 16.48 $ 15.95
Expiration period from date of grant 10 years    
Aggregate intrinsic value of stock options exercised $ 1.0 $ 0.9 $ 1.8
Cash received from the exercise of options 1.7 1.6 2.0
Tax benefits realized for the tax deductions from options exercised $ 0.4 0.4 0.5
Options vested (in shares) | shares 317,779    
Weighted average exercise price (in dollars per share) | $ / shares $ 35.30    
Aggregate intrinsic value $ 3.5    
Weighted average remaining contractual term 5 years 8 months 12 days    
Share-based compensation expense $ 1.2 1.8 1.6
Unrecognized compensation cost related to stock option $ 0.4    
Weighted average period 6 months    
Total fair value of options expensed before tax benefits $ 1.7 2.0 1.3
Stock Options | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Option vesting term 3 years    
Stock Options | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Option vesting term 4 years    
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Option vesting term 3 years    
Share-based compensation expense $ 4.1 $ 2.6 $ 2.4
Weighted average period 1 year 8 months 12 days    
Granted (in shares) | shares 118,995 118,835 62,520
Weighted average grant date fair value (in dollars per share) | $ / shares $ 55.92 $ 27.62 $ 41.04
Compensation not yet recognized $ 5.6    
Fair value of awards vested in period 4.2 $ 2.3 $ 2.4
Tax benefit realized on vesting of options $ 1.0 0.5 0.6
Restricted Stock Units | First Anniversary      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 33.00%    
Restricted Stock Units | Second Anniversary      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 33.00%    
Restricted Stock Units | Third Anniversary      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 34.00%    
Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 5.9 $ 4.9 $ 3.2
Weighted average period 1 year 6 months    
Granted (in shares) | shares 182,886 159,136 58,178
Weighted average grant date fair value (in dollars per share) | $ / shares $ 49.76 $ 29.65 $ 43.80
Compensation not yet recognized $ 7.0    
Fair value of awards vested in period 9.6 $ 3.7 $ 3.8
Tax benefit realized on vesting of options $ 2.3 $ 0.9 $ 0.9
2020 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares) | shares 651,162    
Shares reserved for future issuance (in shares) | shares 113,579