Fair Value - Quantitative Information of Fair Value Measurements (Details) - Significant Unobservable  Inputs (Level 3) - Individually Analyzed Loans $ in Thousands	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
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)	0.29	0.30
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	0.69
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)	0.30	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)	0.38	0.46
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)	0.83	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)	0.49	0.90
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
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
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)	0.37
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)	0.37	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)	0.31	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)	0.40	0.23
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)	0.33	0.22
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
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)	1	0
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)	0.22	0
Fair Value, Measurements, Nonrecurring | Commercial and Industrial Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 3,009	$ 4,423
Fair Value, Measurements, Nonrecurring | Commercial Real Estate Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	11,182	1,672
Fair Value, Measurements, Nonrecurring | Agricultural Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	3,053	79
Fair Value, Measurements, Nonrecurring | Consumer Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	97	0
Fair Value, Measurements, Nonrecurring | Home Equity Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	378	345
Fair Value, Measurements, Nonrecurring | Residential Mortgage Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 720	$ 0