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Fair Value - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - Collateral Dependent Loans - Nonrecurring - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | $ 17,038 | $ 3,695
Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 25,278 | 1,402
Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 2,657 | 1,910
Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 3 | 10
Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 329 | 328
Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 1,071 | 303
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 0 | 0
Significant Unobservable Inputs (Level 3) | Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 17,038 | 3,695
Significant Unobservable Inputs (Level 3) | Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 25,278 | 1,402
Significant Unobservable Inputs (Level 3) | Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 2,657 | 1,910
Significant Unobservable Inputs (Level 3) | Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 3 | 10
Significant Unobservable Inputs (Level 3) | Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | 329 | 328
Significant Unobservable Inputs (Level 3) | Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value assets | $ 1,071 | $ 303

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