Loans Receivable - Summary of Loans Receivable Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,573,556	$ 1,550,133
Deferred fees and costs	(2,325)	(1,798)
Loans, net	1,571,231	1,548,335
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,162,741	1,142,864
Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	45,930	50,961
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	321,009	310,187
Residential first-lien mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	36,565	38,040
Home equity/consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 7,311	$ 8,081