Loans And Allowance For Credit Losses - Schedule of loans that are individually evaluated for credit losses (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable Impaired [Line Items]
Related Allowance	$ 22,817	$ 17,573
Total Recorded Investment	233,851	176,213
Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	15,454	12,626
Recorded Investment With Allowance	46,484	20,983
Related Allowance	10,260	3,791
Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	12,557	13,782
Total Recorded Investment	171,913	142,604
Commercial [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	4,505	5,858
Total Recorded Investment	30,171	23,498
Commercial [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	854	1,322
Recorded Investment With Allowance	3,130	2,810
Related Allowance	1,463	1,363
Commercial [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	3,042	4,495
Total Recorded Investment	26,187	19,366
Commercial [Member] | C&I [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	4,505	5,858
Total Recorded Investment	29,762	22,765
Commercial [Member] | C&I [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	854	1,322
Recorded Investment With Allowance	3,130	2,810
Related Allowance	1,463	1,363
Commercial [Member] | C&I [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	3,042	4,495
Total Recorded Investment	25,778	18,633
Commercial [Member] | Municipal [Member]
Financing Receivable Impaired [Line Items]
Related Allowance		0
Total Recorded Investment	409	733
Commercial [Member] | Municipal [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Related Allowance		0
Commercial [Member] | Municipal [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance		0
Total Recorded Investment	409	733
Agricultural [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	1,165	750
Total Recorded Investment	4,211	1,459
Agricultural [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	743	57
Recorded Investment With Allowance	466	98
Related Allowance	220	50
Agricultural [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	945	700
Total Recorded Investment	3,002	1,304
Real Estate [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	17,017	10,901
Total Recorded Investment	194,785	147,768
Real Estate [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	13,857	11,247
Recorded Investment With Allowance	41,944	17,494
Related Allowance	8,525	2,377
Real Estate [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	8,492	8,524
Total Recorded Investment	138,984	119,027
Real Estate [Member] | Construction & Development [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	491	2,401
Total Recorded Investment	11,174	23,989
Real Estate [Member] | Construction & Development [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	732	758
Recorded Investment With Allowance	409	686
Related Allowance	26	148
Real Estate [Member] | Construction & Development [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	465	2,253
Total Recorded Investment	10,033	22,545
Real Estate [Member] | Farm [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	450	994
Total Recorded Investment	10,588	6,166
Real Estate [Member] | Farm [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	412	0
Recorded Investment With Allowance	3,764	4,804
Related Allowance	23	937
Real Estate [Member] | Farm [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	427	57
Total Recorded Investment	6,412	1,362
Real Estate [Member] | Non - Owner Occupied CRE [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	4,258	3,684
Total Recorded Investment	39,894	37,139
Real Estate [Member] | Non - Owner Occupied CRE [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	6,668	1,919
Recorded Investment With Allowance	4,394	6,103
Related Allowance	1,406	700
Real Estate [Member] | Non - Owner Occupied CRE [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	2,852	2,984
Total Recorded Investment	28,832	29,117
Real Estate [Member] | Owner Occupied CRE [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	8,158	1,663
Total Recorded Investment	79,470	42,568
Real Estate [Member] | Owner Occupied CRE [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	2,186	4,661
Recorded Investment With Allowance	27,888	2,161
Related Allowance	5,727	232
Real Estate [Member] | Owner Occupied CRE [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	2,431	1,431
Total Recorded Investment	49,396	35,746
Real Estate [Member] | Residential [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	3,660	2,159
Total Recorded Investment	53,659	37,906
Real Estate [Member] | Residential [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With No Allowance	3,859	3,909
Recorded Investment With Allowance	5,489	3,740
Related Allowance	1,343	360
Real Estate [Member] | Residential [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	2,317	1,799
Total Recorded Investment	44,311	30,257
Consumer [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	130	64
Total Recorded Investment	4,684	3,488
Consumer [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With Allowance	944	581
Related Allowance	52	1
Consumer [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	78	63
Total Recorded Investment	3,740	2,907
Consumer [Member] | Auto [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	6	4
Total Recorded Investment	3,579	2,589
Consumer [Member] | Auto [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With Allowance	638	464
Related Allowance	1	1
Consumer [Member] | Auto [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	5	3
Total Recorded Investment	2,941	2,125
Consumer [Member] | Non - Auto [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	124	60
Total Recorded Investment	1,105	899
Consumer [Member] | Non - Auto [Member] | Collateral Pledged [Member]
Financing Receivable Impaired [Line Items]
Recorded Investment With Allowance	306	117
Related Allowance	51	0
Consumer [Member] | Non - Auto [Member] | Uncollateralized [Member]
Financing Receivable Impaired [Line Items]
Related Allowance	73	60
Total Recorded Investment	$ 799	$ 782