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Fair Value - Quantitative Information of Fair Value Measurements (Details) - Significant Unobservable Inputs (Level 3) - Individually Analyzed Loans $ in Thousands | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Commercial and Industrial Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.30 | 0
Commercial and Industrial Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 1 | 1
Commercial and Industrial Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.38 | 0.40
Commercial Real Estate Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.25 | 0.30
Commercial Real Estate Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.68 | 1
Commercial Real Estate Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.37 | 0.37
Agricultural Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.19 | 0.30
Agricultural Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 1 | 1
Agricultural Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.50 | 0.48
Consumer Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.27
Consumer Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.27 | 1
Consumer Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.20
Home Equity Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.20
Home Equity Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.51
Home Equity Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.20
Residential Mortgage Loans | Adjustment for physical condition of comparable properties sold | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.20
Residential Mortgage Loans | Adjustment for physical condition of comparable properties sold | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 1
Residential Mortgage Loans | Adjustment for physical condition of comparable properties sold | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 0.20 | 0.21
Fair Value, Measurements, Nonrecurring | Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 2,699 | $ 1,858
Fair Value, Measurements, Nonrecurring | Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 6,877 | 10,040
Fair Value, Measurements, Nonrecurring | Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 1,841 | 2,970
Fair Value, Measurements, Nonrecurring | Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 9 | 8
Fair Value, Measurements, Nonrecurring | Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 363 | 368
Fair Value, Measurements, Nonrecurring | Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 537 | $ 718

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