Loans and Leases - Components of Loans and Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Real estate:
Gross loans and leases	$ 3,667,325	$ 3,690,221
Unearned income	(18,380)	(11,833)
Total net loans and leases	3,648,945	3,678,388
Allowance for credit losses	(76,375)	(75,283)	$ (74,965)
Loans held for investment, net	3,572,570	3,603,105
Commercial [Member]
Real estate:
Gross loans and leases	1,480,906	1,360,841
Total net loans and leases	1,472,583	1,353,271
Allowance for credit losses	(22,574)	(20,382)	(26,093)
Agricultural [Member]
Real estate:
Gross loans and leases	705,668	751,026
Total net loans and leases	705,668	751,026
Allowance for credit losses	(23,647)	(23,615)	(7,744)
Residential and Home Equity [Member]
Real estate:
Gross loans and leases	405,080	404,399
Total net loans and leases	405,080	404,399
Allowance for credit losses	(7,620)	(7,340)	(7,770)
Construction [Member]
Real estate:
Gross loans and leases	128,179	194,903
Total net loans and leases	128,179	194,903
Allowance for credit losses	(2,311)	(3,055)	(4,432)
Real Estate [Member]
Real estate:
Gross loans and leases	2,719,833	2,711,169
Total net loans and leases	2,711,510	2,703,599
Allowance for credit losses	(56,152)	(54,392)	(46,039)
Commercial & Industrial [Member]
Real estate:
Gross loans and leases	497,700	504,403
Total net loans and leases	497,700	504,403
Allowance for credit losses	(7,355)	(7,791)	(13,380)
Agricultural [Member]
Real estate:
Gross loans and leases	264,117	289,847
Total net loans and leases	264,117	289,847
Allowance for credit losses	(6,760)	(6,725)	(8,872)
Commercial Leases [Member]
Real estate:
Gross loans and leases	181,004	179,718
Total net loans and leases	170,947	175,455
Allowance for credit losses	(5,861)	(6,153)	(6,537)
Consumer and Other [Member]
Real estate:
Gross loans and leases	4,671	5,084
Total net loans and leases	4,671	5,084
Allowance for credit losses	$ (247)	$ (222)	$ (137)

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

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