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Allowance for Credit Losses - Aging By Loan Class (Details) | Dec. 31, 2024 USD ($) loan | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | --- | ---
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | $ 6,693,000 | $ 5,597,000 | $ 6,132,000
Loans | 8,809,826,000 | 8,058,961,000 |
Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 8,670,880,000 | 7,995,156,000 |
Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 138,946,000 | 63,805,000 |
30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 16,012,000 | 12,872,000 |
60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 56,767,000 | 5,195,000 |
90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 66,167,000 | 45,738,000 |
Commercial real estate: multifamily |  |  |
Financing receivable recorded investment |  |  |
Number of loans placed on non-accrual | loan | 2 |  |
Commercial, financial and agricultural |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 5,089,721,000 | 4,802,622,000 |
Commercial, financial and agricultural | Domestic | Commercial |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 534,000 | 539,000 |
Loans | 1,851,803,000 | 1,628,230,000 |
Commercial, financial and agricultural | Domestic | Commercial | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,795,577,000 | 1,594,022,000 |
Commercial, financial and agricultural | Domestic | Commercial | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 56,226,000 | 34,208,000 |
Commercial, financial and agricultural | Domestic | Commercial | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 4,070,000 | 2,387,000 |
Commercial, financial and agricultural | Domestic | Commercial | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 51,577,000 | 1,583,000 |
Number of loans placed on non-accrual | loan | 2 |  |
Commercial, financial and agricultural | Domestic | Commercial | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 579,000 | 30,238,000 |
Commercial real estate |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,484,454,000 | 2,091,622,000 |
Commercial real estate | Domestic | Commercial real estate construction development |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,484,454,000 | 2,091,622,000 |
Commercial real estate | Domestic | Commercial real estate construction development | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,473,896,000 | 2,077,917,000 |
Commercial real estate | Domestic | Commercial real estate construction development | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 10,558,000 | 13,705,000 |
Commercial real estate | Domestic | Commercial real estate construction development | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,421,000 | 3,460,000 |
Commercial real estate | Domestic | Commercial real estate construction development | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 15,000 |  |
Commercial real estate | Domestic | Commercial real estate construction development | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 8,122,000 | 10,245,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 262,000 | 4,000 |
Loans | 2,927,803,000 | 2,793,553,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,900,166,000 | 2,791,665,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 27,637,000 | 1,888,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,221,000 | 1,424,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans |  | 371,000 |
Commercial real estate | Domestic | Commercial real estate: farmland & commercial | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 26,416,000 | 93,000 |
Number of Loans Secured by Hotel | loan | 1 |  |
Number Of Loans Secured By Commercial Building | loan | 1 |  |
Number of loans placed on non-accrual | loan | 2 |  |
Commercial real estate | Domestic | Commercial real estate: multifamily |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 310,115,000 | 380,839,000 |
Commercial real estate | Domestic | Commercial real estate: multifamily | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 284,781,000 | 380,140,000 |
Commercial real estate | Domestic | Commercial real estate: multifamily | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 25,334,000 | 699,000 |
Commercial real estate | Domestic | Commercial real estate: multifamily | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans |  | 369,000 |
Commercial real estate | Domestic | Commercial real estate: multifamily | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 270,000 | 330,000 |
Commercial real estate | Domestic | Commercial real estate: multifamily | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 25,064,000 |  |
Real estate - mortgage |  |  |
Financing receivable recorded investment |  |  |
Loans | 999,313,000 | 938,901,000 |
Real estate - mortgage | Domestic | Residential First Lien |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 3,542,000 | 2,437,000 |
Loans | 530,084,000 | 478,032,000 |
Real estate - mortgage | Domestic | Residential First Lien | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 520,353,000 | 472,236,000 |
Real estate - mortgage | Domestic | Residential First Lien | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 9,731,000 | 5,796,000 |
Real estate - mortgage | Domestic | Residential First Lien | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 4,763,000 | 1,812,000 |
Real estate - mortgage | Domestic | Residential First Lien | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,337,000 | 1,439,000 |
Real estate - mortgage | Domestic | Residential First Lien | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 3,631,000 | 2,545,000 |
Real estate - mortgage | Domestic | Residential Junior Lien |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 2,000,000 | 1,701,000 |
Loans | 469,229,000 | 460,869,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 463,086,000 | 457,282,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 6,143,000 | 3,587,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,599,000 | 1,273,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,544,000 | 613,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,000,000 | 1,701,000 |
Consumer |  |  |
Financing receivable recorded investment |  |  |
Loans | 49,777,000 | 45,121,000 |
Consumer | Domestic |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 16,000 | 27,000 |
Loans | 49,777,000 | 45,121,000 |
Consumer | Domestic | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 49,607,000 | 44,820,000 |
Consumer | Domestic | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 170,000 | 301,000 |
Consumer | Domestic | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 122,000 | 263,000 |
Consumer | Domestic | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 32,000 | 11,000 |
Consumer | Domestic | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 16,000 | 27,000 |
Foreign |  |  |
Financing receivable recorded investment |  |  |
Loans | 186,561,000 | 180,695,000 |
Foreign | Foreign |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 339,000 | 889,000 |
Loans | 186,561,000 | 180,695,000 |
Foreign | Foreign | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 183,414,000 | 177,074,000 |
Foreign | Foreign | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 3,147,000 | 3,621,000 |
Foreign | Foreign | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 816,000 | 1,884,000 |
Foreign | Foreign | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,992,000 | 848,000 |
Foreign | Foreign | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 339,000 | $ 889,000 |

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