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Share-Based Compensation - Assumptions For Employee Stock Purchase Plan (Details)
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 1.50% 0.60%
Weighted average expected life (years) 6 years 8 months 12 days 6 years 7 months 6 days
Expected volatility 36.60% 34.70%
Dividend yield 4.60% 2.90%
ESPP    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.40% 0.10%
Weighted average expected life (years) 1 year 1 year
Expected volatility 36.90% 61.70%
Dividend yield 4.70% 2.90%