Loans - Components of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 4,133,267	$ 3,977,900
Less:   Unearned Income	(8,365)	(6,818)
Allowance for Credit Losses	(44,436)	(43,765)	$ (44,168)	$ (37,017)
Loans, Net	4,080,466	3,927,317
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	591,785	589,541
Allowance for Credit Losses	(7,059)	(7,921)	(13,749)	(9,554)
Commercial Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,224,872	2,121,835
Allowance for Credit Losses	(25,818)	(25,923)	(21,598)	(19,245)
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	431,037	423,803
Allowance for Credit Losses	(4,917)	(3,837)	(4,188)	(4,505)
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	79,253	71,988
Allowance for Credit Losses	(397)	(346)	(209)	(200)
Home Equity Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	344,808	299,685
Allowance for Credit Losses	(2,196)	(1,834)	(1,344)	(1,061)
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	81,396	87,853
Allowance for Credit Losses	(727)	(759)	(595)	(507)
Credit Cards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	22,668	20,351
Allowance for Credit Losses	(520)	(383)	(257)	(240)
Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	357,448	362,844
Allowance for Credit Losses	(2,802)	(2,762)	$ (2,228)	$ (1,705)
Commercial | Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	591,785	589,541
Commercial | Commercial Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,224,872	2,121,835
Commercial | Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	431,037	423,803
Commercial | Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	79,253	71,988
Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	4,133,267	3,977,900
Retail | Home Equity Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	344,808	299,685
Retail | Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	81,396	87,853
Retail | Credit Cards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	22,668	20,351
Retail | Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 357,448	$ 362,844