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Allowance for Credit Losses (Aging By Loan Class) (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | $ 5,597,000 | $ 6,132,000 | $ 8,642,000
Loans | 8,058,961,000 | 7,430,603,000 |
Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 7,995,156,000 | 7,412,585,000 |
Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 63,805,000 | 18,018,000 |
30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 12,872,000 | 8,552,000 |
60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 5,195,000 | 2,251,000 |
90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 45,738,000 | 7,215,000 |
Commercial, financial and agricultural |  |  |
Financing receivable recorded investment |  |  |
Loans | 4,802,622,000 | 4,373,373,000 |
Commercial, financial and agricultural | Domestic | Commercial. |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 539,000 | 59,000 |
Loans | 1,628,230,000 | 1,498,754,000 |
Commercial, financial and agricultural | Domestic | Commercial. | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,594,022,000 | 1,495,750,000 |
Commercial, financial and agricultural | Domestic | Commercial. | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 34,208,000 | 3,004,000 |
Commercial, financial and agricultural | Domestic | Commercial. | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,387,000 | 1,732,000 |
Commercial, financial and agricultural | Domestic | Commercial. | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,583,000 | 258,000 |
Commercial, financial and agricultural | Domestic | Commercial. | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 30,238,000 | 1,014,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 4,000 |  |
Loans | 2,793,553,000 | 2,568,118,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,791,665,000 | 2,566,257,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,888,000 | 1,861,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,424,000 | 1,744,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 371,000 | 117,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: farmland & commercial | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 93,000 |  |
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily |  |  |
Financing receivable recorded investment |  |  |
Loans | 380,839,000 | 306,501,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 380,140,000 | 306,501,000 |
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 699,000 |  |
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 369,000 |  |
Commercial, financial and agricultural | Domestic | Commercial real estate: multifamily | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 330,000 |  |
Obligations of states and political subdivisions |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,091,622,000 | 1,989,669,000 |
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,091,622,000 | 1,989,669,000 |
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,077,917,000 | 1,988,539,000 |
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 13,705,000 | 1,130,000 |
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 3,460,000 | 1,130,000 |
Obligations of states and political subdivisions | Domestic | Commercial Real Estate: other construction and land development | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 10,245,000 |  |
Real estate - mortgage |  |  |
Financing receivable recorded investment |  |  |
Loans | 938,901,000 | 865,994,000 |
Real estate - mortgage | Domestic | Residential: first lien |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 2,437,000 | 4,061,000 |
Loans | 478,032,000 | 425,724,000 |
Real estate - mortgage | Domestic | Residential: first lien | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 472,236,000 | 418,444,000 |
Real estate - mortgage | Domestic | Residential: first lien | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 5,796,000 | 7,280,000 |
Real estate - mortgage | Domestic | Residential: first lien | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,812,000 | 2,023,000 |
Real estate - mortgage | Domestic | Residential: first lien | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,439,000 | 1,068,000 |
Real estate - mortgage | Domestic | Residential: first lien | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 2,545,000 | 4,189,000 |
Real estate - mortgage | Domestic | Residential Junior Lien |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 1,701,000 | 1,717,000 |
Loans | 460,869,000 | 440,270,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 457,282,000 | 436,857,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 3,587,000 | 3,413,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,273,000 | 925,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 613,000 | 771,000 |
Real estate - mortgage | Domestic | Residential Junior Lien | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,701,000 | 1,717,000 |
Consumer |  |  |
Financing receivable recorded investment |  |  |
Loans | 45,121,000 | 41,592,000 |
Consumer | Domestic |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 27,000 | 7,000 |
Loans | 45,121,000 | 41,592,000 |
Consumer | Domestic | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 44,820,000 | 41,290,000 |
Consumer | Domestic | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 301,000 | 302,000 |
Consumer | Domestic | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 263,000 | 281,000 |
Consumer | Domestic | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 11,000 | 14,000 |
Consumer | Domestic | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | 27,000 | 7,000 |
Foreign. |  |  |
Financing receivable recorded investment |  |  |
Loans | 180,695,000 | 159,975,000 |
Foreign. | Foreign |  |  |
Financing receivable recorded investment |  |  |
Past due 90 days or Greater and Still Accruing | 889,000 | 288,000 |
Loans | 180,695,000 | 159,975,000 |
Foreign. | Foreign | Current |  |  |
Financing receivable recorded investment |  |  |
Loans | 177,074,000 | 158,947,000 |
Foreign. | Foreign | Total Past Due |  |  |
Financing receivable recorded investment |  |  |
Loans | 3,621,000 | 1,028,000 |
Foreign. | Foreign | 30 to 59 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 1,884,000 | 717,000 |
Foreign. | Foreign | 60 to 89 Days |  |  |
Financing receivable recorded investment |  |  |
Loans | 848,000 | 23,000 |
Foreign. | Foreign | 90 Days or Greater |  |  |
Financing receivable recorded investment |  |  |
Loans | $ 889,000 | $ 288,000 |

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