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Loans Receivable - Summary of Allowance for Loan Losses On Loans Receivables (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | $ 23,942 |  | $ 18,618 |  | $ 23,657 |  | $ 18,492 |
Provision (reversal) | 6,949 | [1] | (169) | [2] | 7,174 | [3] | 133 | [4]
Charge-offs | (9,949) |  | (84) |  | (10,033) |  | (367) |
Recoveries | 72 |  | 99 |  | 216 |  | 206 |
Total | 21,014 |  | 18,464 |  | 21,014 |  | 18,464 |
Commercial real estate [Member] |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | 20,981 |  | 16,446 |  | 20,821 |  | 16,047 |
Provision (reversal) | 7,013 | [1] | 106 | [2] | 7,162 | [3] | 737 | [4]
Charge-offs | (9,950) |  | 0 |  | (9,950) |  | (237) |
Recoveries | 6 |  | 71 |  | 17 |  | 76 |
Total | 18,050 |  | 16,623 |  | 18,050 |  | 16,623 |
Commercial and industrial [Member] |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | 1,104 |  | 513 |  | 1,173 |  | 488 |
Provision (reversal) | (155) | [1] | (80) | [2] | (273) | [3] | (111) | [4]
Charge-offs | (1) |  | (84) |  | (83) |  | (130) |
Recoveries | 66 |  | 28 |  | 199 |  | 130 |
Total | 1,016 |  | 377 |  | 1,016 |  | 377 |
Construction [Member] |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | 400 |  | 1,021 |  | 609 |  | 1,145 |
Provision (reversal) | 29 | [1] | (277) | [2] | (180) | [3] | (401) | [4]
Charge-offs | 0 |  | 0 |  | 0 |  | 0 |
Recoveries | 0 |  | 0 |  | 0 |  | 0 |
Total | 429 |  | 744 |  | 429 |  | 744 |
Residential first-lien mortgage [Member] |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | 1,288 |  | 572 |  | 893 |  | 725 |
Provision (reversal) | 70 | [1] | 88 | [2] | 465 | [3] | (65) | [4]
Charge-offs | 0 |  | 0 |  | 0 |  | 0 |
Recoveries | 0 |  | 0 |  | 0 |  | 0 |
Total | 1,358 |  | 660 |  | 1,358 |  | 660 |
Home equity/consumer [Member] |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |
Beginning balance | 169 |  | 66 |  | 161 |  | 87 |
Provision (reversal) | (8) | [1] | (6) | [2] | 0 | [3] | (27) | [4]
Charge-offs | 0 |  | 0 |  | 0 |  | 0 |
Recoveries | 0 |  | 0 |  | 0 |  | 0 |
Total | $ 161 |  | $ 60 |  | $ 161 |  | $ 60 |
[1] | The provision for credit losses on the Consolidated Statement of Income is $7.0 million comprising of an increase of $6.9 million to the allowance for loan loss and a $57 thousand increase to the reserve for unfunded liabilities.
[2] | The reversal of credit losses on the Consolidated Statement of Income is $118 thousand comprising of a $169 thousand decrease to the allowance for credit losses on loans and a $51 thousand increase to the reserve for unfunded liabilities.
[3] | The provision for credit losses on the Consolidated Statement of Income is $7.2 million comprising of an increase of $7.1 million increase to the allowance for loan loss and a $50 thousand increase to the reserve for unfunded liabilities.
[4] | The provision for credit losses on the Consolidated Statement of Income is $68 thousand comprising of a $133 thousand increase to the allowance for credit losses on loans and a $65 thousand reduction to the reserve for unfunded liabilities.

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