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Fair Value (Quantitative Information of Fair Value Measurements) (Details) - Significant Unobservable Inputs (Level 3) - Individually Analyzed Loans $ in Thousands | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | ---
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) | 0.26 | 0.26
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) | 0.60 | 0.61
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) | 0.22 | 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) | 1 | 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) | 0.40 | 0.56
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) | 0.30 | 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) | 0.96 | 0.96
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) | 0.64 | 0.65
Consumer Loans | Adjustment for physical condition of comparable properties sold |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range (Weighted Average) | 1 | 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) | 1 | 1
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) | 0.23 | 0.09
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) | 0.23 | 0.09
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) | 0.23 | 0.09
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) | 0.07 | 0.43
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) | 0.51 | 0.97
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) | 0.31 | 0.67
Fair Value, Measurements, Nonrecurring | Commercial and Industrial Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 4,662 | $ 4,985
Fair Value, Measurements, Nonrecurring | Commercial Real Estate Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 7,548 | 8,893
Fair Value, Measurements, Nonrecurring | Agricultural Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 548 | 551
Fair Value, Measurements, Nonrecurring | Consumer Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 0 | 0
Fair Value, Measurements, Nonrecurring | Home Equity Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 369 | 369
Fair Value, Measurements, Nonrecurring | Residential Mortgage Loans |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 507 | $ 75

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