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Loans Receivable - Summary of Loans Receivable Net (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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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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