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Loans - Loans Purchased and/or Sold During the Year by Portfolio Segment (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | $ 0 | $ 0
Sales | 2,391 | 0
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 2,391 | 0
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | $ 0 | $ 0

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