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Loans Receivable - Summary of Loans Receivable Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,796,142	$ 1,821,274
Deferred fees and costs	(2,355)	(2,399)
Loans, net	1,793,787	1,818,875
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,353,039	1,385,085
Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	81,370	92,857
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	203,004	257,169
Residential first-lien mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	135,930	68,030
Home equity/consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 22,799	$ 18,133

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Loans receivable including deferred fees and cost.

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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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