Allowance for Credit Losses - Summary of Allowance for Credit Losses by Loan Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	$ 26,435	$ 23,767
Charge-offs	(450)	(433)
Charges-offs on PCD acquired loans	(2,018)
Allowance for Credit Losses on PCD Acquired Loans		2,300
Recoveries	120	159
Provision for credit losses	7,587	642
Ending balance	31,674	26,435
Agriculture and Farmland [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	11	12
Charge-offs	0	0
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	0	0
Provision for credit losses	13	(1)
Ending balance	24	11
Construction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	893	959
Charge-offs	(8)	0
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	9	4
Provision for credit losses	1,219	(70)
Ending balance	2,113	893
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	4,093	2,940
Charge-offs	(374)	(152)
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	5	89
Provision for credit losses	5,263	1,216
Ending balance	8,987	4,093
Multifamily [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	1,805	1,483
Charge-offs	0	0
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	0	2
Provision for credit losses	66	320
Ending balance	1,871	1,805
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	5,611	6,572
Charge-offs	0	(29)
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	3	1
Provision for credit losses	1,035	(933)
Ending balance	6,649	5,611
Non-owner Occupied [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	9,345	5,773
Charge-offs	(35)	(54)
Charges-offs on PCD acquired loans	(2,018)
Allowance for Credit Losses on PCD Acquired Loans		2,300
Recoveries	0	11
Provision for credit losses	(217)	1,315
Ending balance	7,075	9,345
First Liens [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	3,395	4,778
Charge-offs	(3)	(4)
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	97	26
Provision for credit losses	97	(1,405)
Ending balance	3,586	3,395
Second Liens and Lines of Credit [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	1,154	1,072
Charge-offs	0	(9)
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	1	14
Provision for credit losses	103	77
Ending balance	1,258	1,154
Municipal [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	48	79
Charge-offs	0	0
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	0	0
Provision for credit losses	(21)	(31)
Ending balance	27	48
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	80	99
Charge-offs	(30)	(185)
Charges-offs on PCD acquired loans	0
Allowance for Credit Losses on PCD Acquired Loans		0
Recoveries	5	12
Provision for credit losses	29	154
Ending balance	$ 84	$ 80