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Employee Benefit Plans (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) Installment $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employer contribution for defined contribution plan | $ 4,700,000 | $ 4,400,000 | $ 4,100,000
Mandatorily redeemable shares, value |  | 700,000 |
Liability related to mandatorily redeemable shares | 0 |  |
Employee Stock Ownership Plan, common stock, fair value | $ 16,600,000 |  |
Employee Stock Ownership Plan, common stock, shares outstanding (shares) | shares | 123,762 |  |
Nonqualified Deferred Compensation Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Deferred compensation expense | $ 400,000 | $ 500,000 | $ 100,000
Number of annual installments of deferred compensation (installment) | Installment | 2 |  |
Number of days after departure from board of directors for payment of deferred compensation (days) | 90 days |  |
Outside Directors |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of deferred common stock (shares) | shares | 9,459 | 6,122 | 6,944
Vested | $ / shares | $ 145.96 | $ 174.76 | $ 164.23

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