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Basis of Presentation and Significant Accounting Policies - Fair Value Assumptions for Stock Option Pricing (Details) - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock options granted (in shares) 209,028 162,224 183,272
Weighted average grant date fair value of stock options granted (in usd per share) $ 8.50 $ 8.51 $ 7.73
Weighted average assumptions:      
Expected dividend yield 3.60% 3.20% 3.00%
Expected life, in years 5 years 3 months 18 days 5 years 2 months 12 days 5 years 1 month 6 days
Expected volatility (based on historical volatility) 30.90% 30.20% 30.10%
Options Member      
Weighted average assumptions:      
Risk-free interest rate 4.10% 1.90% 0.80%