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Employee Stock and Incentive Plans - Narrative (Details) - USD ($)
 1 Months Ended 12 Months Ended
Feb. 29, 2024
Jan. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Stock-based Compensation [Line Items]          
ESOP compensation expense     $ 13,700,000 $ 12,000,000 $ 11,500,000
Capitalized share-based compensation costs     $ 0 $ 0 $ 0
Executive Long-Term Incentive Compensation Plan          
Stock-based Compensation [Line Items]          
Common stock reserved (in shares)     700,000    
Shares available for issuance (in shares)     600,000    
Employee Stock Purchase Plan (ESPP)          
Stock-based Compensation [Line Items]          
ESPP discount     5.00%    
Performance Shares          
Stock-based Compensation [Line Items]          
Unrecognized compensation cost     $ 2,600,000    
Weighted-average period for recognition     1 year 8 months 12 days    
Granted (in shares)     54,039 37,731 33,304
Awarded (in shares)     0 0 0
Vesting period     3 years    
Performance Shares | Subsequent Event          
Stock-based Compensation [Line Items]          
Granted (in shares)   61,900      
Granted, grant date fair value   $ 4,000,000      
Awarded (in shares) 46,700        
Awarded, grant date fair value $ 3,300,000        
Vesting period   3 years      
Restricted Stock Units          
Stock-based Compensation [Line Items]          
Unrecognized compensation cost     $ 800,000    
Weighted-average period for recognition     1 year 8 months 12 days    
Granted (in shares)     21,200 15,477 16,251
Awarded (in shares)     9,631 7,396 23,631
Vesting period     3 years    
Restricted Stock Units | Subsequent Event          
Stock-based Compensation [Line Items]          
Granted (in shares)   24,300      
Granted, grant date fair value   $ 1,400,000      
Awarded (in shares) 11,200        
Awarded, grant date fair value $ 700,000