Loans Receivable - Summary of Portfolio Segments and Classes of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 2,255,104	$ 2,128,110
Deferred costs	645	174
Allowance for credit losses	(26,435)	(23,767)	$ (4,666)
Net loans	2,229,314	2,104,517
Agriculture and Farmland Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	67,741	65,861
Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	152,619	161,825
Allowance for credit losses	(893)	(959)	(274)
Commercial & Industrial Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	245,833	232,412
Multifamily [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	211,778	176,843
Allowance for credit losses	(1,805)	(1,483)	(480)
Owner Occupied [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	477,742	474,964
Non-owner Occupied [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	628,237	551,481
Allowance for credit losses	(9,345)	(5,773)	(1,116)
First Liens [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	373,469	376,092
Allowance for credit losses	(3,395)	(4,778)	(1,029)
Second Liens and Lines of Credit [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	76,713	66,648
Allowance for credit losses	(1,154)	(1,072)	(218)
Consumer and Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	17,086	16,740
Allowance for credit losses	(80)	(99)	(40)
Municipal Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	3,886	5,244
Allowance for credit losses	$ (48)	$ (79)	$ (12)