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Loans - Narrative (Details) | 12 Months Ended |
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Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Remaining availability under commitments to lend additional funds on restructured loans | $ 1,135,000 | $ 3,115,000 |
Allowance for credit losses on interest deferred | 201,756,000 | 198,578,000 | $ 192,090,000
Unfunded commitment | $ 1,168,000 | 5,461,000 |
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred |  | 0 | 25,000
Minimum | Internal Investment Grade |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 10 |  |
Minimum | Pass |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 10 |  |
Minimum | Special Mention |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 70 |  |
Minimum | Substandard |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 80 |  |
Maximum | Internal Investment Grade |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 95 |  |
Maximum | Pass |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 69 |  |
Maximum | Special Mention |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 79 |  |
Maximum | Substandard |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, credit quality risk rating grade | 95 |  |
Commercial |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred | $ 38,527,000 | 43,980,000 | 44,255,000
Commercial | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred | $ 34,000 | 0 | 25,000
Commercial | Minimum |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, modified, weighted average term increase from modification | 30 days |  |
Commercial | Maximum |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Financing receivable, modified, weighted average term increase from modification | 89 days |  |
Real Estate - 1-4 Family Mortgage |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred | $ 47,761,000 | 47,283,000 | 44,727,000
Real Estate - 1-4 Family Mortgage | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred |  | 0 | 0
Real Estate - Commercial Mortgage |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred | $ 90,204,000 | 77,020,000 | 71,798,000
Real Estate - Commercial Mortgage | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Loans and Allowance for Loan Losses (Additional Textual) [Abstract] |  |  |
Allowance for credit losses on interest deferred |  | $ 0 | $ 0

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