v3.26.1
Loans (Aging Of Past Due Loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 9,667,260 $ 8,051,242
Loan balance 9,667,260 8,051,242
Impaired Financing Receivable, Recorded Investment, Nonaccrual loans which are current in regards to contractual P&I payments 60,700 50,500
Commercial Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,857,650 4,502,271
Consumer [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,809,610 3,548,971
Pass Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,683,194 4,380,811
5 Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 108,040 69,778
6 Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 64,870 48,159
Impaired [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,546 3,523
Performing Financial Instruments [Member] | Consumer [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,786,758 3,526,734
Nonperforming Financial Instruments [Member] | Consumer [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 22,852 22,237
Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 9,611,119 8,003,774
FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 33,662 28,703
Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 22,479 [1] 18,765 [2]
Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 56,141 47,468
Construction Real Estate Commercial [Domain]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 479,304 298,491
Loan balance 479,304 298,491
Construction Real Estate Commercial [Domain] | Pass Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 466,082 296,501
Construction Real Estate Commercial [Domain] | 5 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11,949 871
Construction Real Estate Commercial [Domain] | 6 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,273 1,119
Construction Real Estate Commercial [Domain] | Impaired [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Construction Real Estate Commercial [Domain] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 479,179 298,337
Construction Real Estate Commercial [Domain] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 110 154
Construction Real Estate Commercial [Domain] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [1] 15  
Construction Real Estate Commercial [Domain] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 125 154
Residential Real Estate Commercial [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 960,920 752,695
Loan balance 960,920 752,695
Residential Real Estate Commercial [Member] | Pass Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 946,618 746,395
Residential Real Estate Commercial [Member] | 5 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 10,519 4,249
Residential Real Estate Commercial [Member] | 6 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,783 1,657
Residential Real Estate Commercial [Member] | Impaired [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 394
Residential Real Estate Commercial [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 958,089 752,443
Residential Real Estate Commercial [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,772 33
Residential Real Estate Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,059 [1] 219 [2]
Residential Real Estate Commercial [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,831 252
Residential Real Estate - Mortgage [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,501,261 1,375,641
Loan balance 1,501,261 1,375,641
Residential Real Estate - Mortgage [Member] | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,483,405 1,359,194
Residential Real Estate - Mortgage [Member] | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 17,856 16,447
Residential Real Estate - Mortgage [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,473,781 1,350,821
Residential Real Estate - Mortgage [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 18,981 16,503
Residential Real Estate - Mortgage [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 8,499 [1] 8,317 [2]
Residential Real Estate - Mortgage [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 27,480 24,820
Residential Real Estate - HELOC [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 314,202 241,058
Loan balance 314,202 241,058
Residential Real Estate - HELOC [Member] | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 312,643 239,356
Residential Real Estate - HELOC [Member] | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,559 1,702
Residential Real Estate - HELOC [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 312,643 240,099
Residential Real Estate - HELOC [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,005 271
Residential Real Estate - HELOC [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 554 [1] 688 [2]
Residential Real Estate - HELOC [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,559 959
Residential Real Estate - Installment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,793 5,988
Loan balance 5,793 5,988
Residential Real Estate - Installment [Member] | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,744 5,935
Residential Real Estate - Installment [Member] | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 49 53
Residential Real Estate - Installment [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,712 5,835
Residential Real Estate - Installment [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 33 103
Residential Real Estate - Installment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 48 [1] 50 [2]
Residential Real Estate - Installment [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 81 153
Bank Overdrafts    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,493 2,103
Bank Overdrafts | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,493 2,103
Construction Real Estate Retail    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 127,708 100,934
Loan balance 127,708 100,934
Construction Real Estate Retail | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 127,491 100,820
Construction Real Estate Retail | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 217 114
Construction Real Estate Retail | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 126,748 100,711
Construction Real Estate Retail | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 760 149
Construction Real Estate Retail | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 200 74 [2]
Construction Real Estate Retail | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 960 223
Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,384,265 1,210,047
Commercial Financial Agricultural less PPP and Overdrafts | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,377,064 1,203,434
Commercial Financial Agricultural less PPP and Overdrafts | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,731 231
Commercial Financial Agricultural less PPP and Overdrafts | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,470 [1] 6,382
Commercial Financial Agricultural less PPP and Overdrafts | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7,201 6,613
Commercial Real Estate [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,003,932 2,208,660
Loan balance [3] 3,003,932 2,208,660
Commercial Real Estate [Member] | Pass Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,912,206 2,151,290
Commercial Real Estate [Member] | 5 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 51,277 25,291
Commercial Real Estate [Member] | 6 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 40,449 30,708
Commercial Real Estate [Member] | Impaired [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 1,371
Commercial Real Estate [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,997,960 2,207,285
Commercial Real Estate [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 351 77
Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,621 [1] 1,298 [2]
Commercial Real Estate [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,972 1,375
Finance Leases Portfolio Segment [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 29,229 32,378
Loan balance 29,229 32,378
Finance Leases Portfolio Segment [Member] | Pass Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 27,843 30,880
Finance Leases Portfolio Segment [Member] | 5 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,240 1,331
Finance Leases Portfolio Segment [Member] | 6 Rated [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 44 50
Finance Leases Portfolio Segment [Member] | Impaired [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 102 117
Finance Leases Portfolio Segment [Member] | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 29,229 32,357
Finance Leases Portfolio Segment [Member] | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   21
Finance Leases Portfolio Segment [Member] | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   21
Check loans    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,650 1,776
Loan balance 1,650 1,776
Check loans | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,650 1,776
Check loans | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Check loans | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,649 1,773
Check loans | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1 3
Check loans | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1 3
Bank Overdrafts    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,493 2,103
Loan balance 1,493 2,103
Bank Overdrafts | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,493 2,103
Bank Overdrafts | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Consumer less GFSC and Check Loans    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,857,503 1,821,471
Loan balance 1,857,503 1,821,471
Consumer less GFSC and Check Loans | Performing Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,854,332 1,817,550
Consumer less GFSC and Check Loans | Nonperforming Financial Instruments [Member]    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,171 3,921
Consumer less GFSC and Check Loans | Financial Asset, Not Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,847,572 1,808,576
Consumer less GFSC and Check Loans | FinancingReceivables30To89DaysPastDueMember    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 8,918 11,158
Consumer less GFSC and Check Loans | Financial Asset, Equal to or Greater than 90 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,013 1,737
Consumer less GFSC and Check Loans | Financial Asset, Past Due    
Financing Receivable, Past Due [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 9,931 $ 12,895
[1] 1) Includes an aggregate of $2.6 million of loans past due 90 days or more and accruing. The remaining loans were past due nonaccrual loans.(2) Includes an aggregate of $60.7 million of nonaccrual loans which were current with respect to contractual principal and interest payments
[2] 1) Includes an aggregate of $2.7 million of loans past due 90 days or more and accruing. The remaining loans were past due nonaccrual loans.(2) Includes an aggregate of $50.5 million of nonaccrual loans which were current with respect to contractual principal and interest payments.
[3] Included within each of commercial, financial and agricultural loans and commercial real estate loans is an immaterial amount of consumer loans that were not broken out by class.