Loans and Leases, Components of Loans and Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loan & Lease Portfolio [Abstract]
Gross loans and leases	$ 3,690,221	$ 3,665,397
Unearned income	(11,833)	(10,708)
Total net loans and leases	3,678,388	3,654,689
Allowance for credit losses	(75,283)	(74,965)	$ (66,885)
Loans held for investment, net	3,603,105	3,579,724
Federal Home Loan Bank [Member]
Loan & Lease Portfolio [Abstract]
Maximum borrowing capacity	801,700
Federal Home Loan Bank [Member] \| Asset Pledged as Collateral [Member]
Loan & Lease Portfolio [Abstract]
Loans held for investment, net	1,200,000
Federal Reserve Bank [Member]
Loan & Lease Portfolio [Abstract]
Maximum borrowing capacity	1,100,000
Federal Reserve Bank [Member] \| Asset Pledged as Collateral [Member]
Loan & Lease Portfolio [Abstract]
Loans held for investment, net	1,400,000
Real Estate [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	2,711,169	2,677,391
Total net loans and leases	2,703,599	2,669,281
Allowance for credit losses	(54,392)	(46,039)	(43,085)
Commercial [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	1,360,841	1,323,038
Total net loans and leases	1,353,271	1,314,928
Allowance for credit losses	(20,382)	(26,093)	(18,055)
Agricultural [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	751,026	742,009
Total net loans and leases	751,026	742,009
Allowance for credit losses	(23,615)	(7,744)	(14,496)
Residential and Home Equity [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	404,399	399,982
Total net loans and leases	404,399	399,982
Allowance for credit losses	(7,340)	(7,770)	(7,508)
Construction [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	194,903	212,362
Total net loans and leases	194,903	212,362
Allowance for credit losses	(3,055)	(4,432)	(3,026)
Commercial & Industrial [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	504,403	499,373
Total net loans and leases	504,403	499,373
Allowance for credit losses	(7,791)	(13,380)	(11,503)
Agricultural [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	289,847	313,737
Total net loans and leases	289,847	313,737
Allowance for credit losses	(6,725)	(8,872)	(10,202)
Commercial Leases [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	179,718	169,684
Total net loans and leases	175,455	167,086
Allowance for credit losses	(6,153)	(6,537)	(1,924)
Consumer and Other [Member]
Loan & Lease Portfolio [Abstract]
Gross loans and leases	5,084	5,212
Total net loans and leases	5,084	5,212
Allowance for credit losses	$ (222)	$ (137)	$ (171)

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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