Loans Receivable - Summary of Portfolio Segments and Classes of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	$ 2,192,719		$ 2,128,110
Deferred costs	478		174
Allowance for credit losses	(26,288)	$ (23,842)	(23,767)	$ (10,228)	$ (10,526)	$ (4,666)
Net loans	2,166,909		2,104,517
Agriculture and Farmland Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	66,937		65,861
Construction Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	178,697		161,825
Allowance for credit losses	(1,841)	(1,523)	(959)	(728)	(813)	(274)
Commercial & Industrial Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	240,376		232,412
Multifamily [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	195,814		176,843
Allowance for credit losses	(1,914)	(1,592)	(1,483)	(673)	(730)	(480)
Owner Occupied [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	470,545		474,964
Non-owner Occupied [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	577,448		551,481
Allowance for credit losses	(8,026)	(6,099)	(5,773)	(4,350)	(4,315)	(1,116)
First Liens [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	374,043		376,092
Allowance for credit losses	(4,047)	(4,675)	(4,778)	(1,397)	(1,508)	(1,029)
Second Liens and Lines of Credit [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	68,990		66,648
Allowance for credit losses	(977)	(1,071)	(1,072)	(383)	(402)	(218)
Consumer and Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	15,507		16,740
Municipal Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans receivable	4,362		5,244
Allowance for credit losses	$ (64)	$ (68)	$ (79)	$ (7)	$ (7)	$ (12)