Loans And Allowance For Credit Losses - Schedule of Non-Accrual Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	$ 61,938	$ 33,609
Commercial [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	3,984	4,132
Commercial [Member] | C&I [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	3,984	4,132
Commercial [Member] | Muncipal [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	0	0
Agricultural [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	1,209	155
Real Estate [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	55,801	28,741
Real Estate [Member] | Construction & Development [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	1,141	1,444
Real Estate [Member] | Farm [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	4,176	4,804
Real Estate [Member] | Non - Owner Occupied CRE [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	11,062	8,022
Real Estate [Member] | Owner Occupied CRE [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	30,074	6,822
Real Estate [Member] | Residential [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	9,348	7,649
Consumer [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	944	581
Consumer [Member] | Auto [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	638	464
Consumer [Member] | Non - Auto [Member]
Loans And Leases Receivable Disclosure [Line Items]
Non accrual loans	$ 306	$ 117