Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Loans Held-for-Sale	$ 9,171,000	$ 10,585,000
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	1,821,735,000	1,889,617,000
Loans Held-for-Sale	9,171,000	10,585,000
Derivative Assets	5,919,000	4,519,000
Derivative Liabilities	5,817,000	4,762,000
Fair Value, Measurements, Recurring | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	1,493,000
Fair Value, Measurements, Recurring | Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	830,209,000	925,706,000
Fair Value, Measurements, Recurring | MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	780,025,000	791,950,000
Fair Value, Measurements, Recurring | US Gov’t Sponsored Entities & Agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	210,008,000	171,961,000
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	1,493,000	0
Loans Held-for-Sale	0	0
Derivative Assets	0	0
Derivative Liabilities	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	1,493,000
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | US Gov’t Sponsored Entities & Agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	1,820,148,000	1,889,617,000
Loans Held-for-Sale	9,171,000	10,585,000
Derivative Assets	5,919,000	4,519,000
Derivative Liabilities	5,817,000	4,762,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	830,115,000	925,706,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	780,025,000	791,950,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | US Gov’t Sponsored Entities & Agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	210,008,000	171,961,000
Fair Value, Measurements, Recurring | Significant Unobservable  Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	94,000	0
Loans Held-for-Sale	0	0
Derivative Assets	0	0
Derivative Liabilities	0	0
Fair Value, Measurements, Recurring | Significant Unobservable  Inputs (Level 3) | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0
Fair Value, Measurements, Recurring | Significant Unobservable  Inputs (Level 3) | Obligations of State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	94,000	0
Fair Value, Measurements, Recurring | Significant Unobservable  Inputs (Level 3) | MBS/CMO
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	0	0
Fair Value, Measurements, Recurring | Significant Unobservable  Inputs (Level 3) | US Gov’t Sponsored Entities & Agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Securities	$ 0	$ 0