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Loans and ACL (Summary of Loan Composition) (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 1,423,571 | $ 1,349,463
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 1.0000 | 1.0000
Commercial and Industrial, Secured, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 221,510 | $ 189,186
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.1556 | 0.1402
Commercial and Industrial, Unsecured, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 23,384 | $ 20,552
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0164 | 0.0152
Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 244,894 | $ 209,738
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.1720 | 0.1554
Commercial Real Estate, Owner Occupied, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 178,376 | $ 180,636
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.1253 | 0.1339
Commercial Real Estate, Non-owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 208,118 | $ 216,292
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.1462 | 0.1603
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 92,497 | $ 89,208
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0650 | 0.0661
Commercial Real Estate, Multifamily, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 68,456 | $ 78,108
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0481 | 0.0579
Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 547,447 | $ 564,244
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.3846 | 0.4182
Commercial Advances to Mortgage Brokers Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 63,080 | $ 18,541
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0443 | 0.0137
Agricultural Mortgage, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 67,550 | $ 69,044
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0475 | 0.0512
Agricultural Other Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 32,144 | $ 30,950
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0226 | 0.0229
Agricultural [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 99,694 | $ 99,994
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0701 | 0.0741
Residential Real Estate, Senior Lien, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 332,743 | $ 313,459
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.2337 | 0.2323
Residential Real Estate, Junior Lien, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 8,655 | $ 5,945
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0061 | 0.0044
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 39,474 | $ 37,014
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0277 | 0.0274
Residential Mortgage [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 380,872 | $ 356,418
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.2675 | 0.2641
Consumer, Secured, Direct, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 35,050 | $ 37,948
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0246 | 0.0281
Consumer, Secured, Indirect, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 49,136 | $ 59,324
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0345 | 0.0440
Consumer, Unsecured, Portfolio Segment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 3,398 | $ 3,256
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0024 | 0.0024
Total consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, Accrued Interest, before Allowance for Credit Loss | $ 87,584 | $ 100,528
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan | 0.0615 | 0.0745

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