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Loans - Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 5,787,622 | $ 4,133,267
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 730,134 | 591,785
Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 3,103,181 | 2,224,872
Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 472,807 | 431,037
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 85,088 | 79,253
Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 456,839 | 344,808
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 119,642 | 81,396
Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 27,261 | 22,668
Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 792,670 | 357,448
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 70,822 | 17,423
Total | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 27,327 | 6,134
Total | Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 37,317 | 7,293
Total | Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 4,286 | 3,040
Total | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Total | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 424 | 423
Total | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 20 | 10
Total | Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Total | Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,448 | 523
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 52,172 | 17,012
Real Estate | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,038 | 5,986
Real Estate | Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 36,815 | 7,293
Real Estate | Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 3,437 | 2,777
Real Estate | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Real Estate | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 424 | 423
Real Estate | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10 | 10
Real Estate | Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Real Estate | Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,448 | 523
Equipment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 7,827 | 353
Equipment | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 7,111 | 90
Equipment | Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 502 | 0
Equipment | Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 204 | 263
Equipment | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Equipment | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Equipment | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10 | 0
Equipment | Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Equipment | Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Accounts Receivable | Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,823 | 58
Other | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,178 | 58
Other | Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other | Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 645 | 0
Other | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other | Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 0 | 0
Other | Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 0 | $ 0

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