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Loans Receivable and Allowance for Credit Losses - Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | $ 889,892 |  | $ 848,316 |  |  |
Allowance for credit losses | (25,668) | $ (24,098) | (10,310) | $ (9,952) | $ (9,929) | $ (9,905)
Loans receivable, net | 864,224 |  | 838,006 |  |  |
Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 499,132 |  | 437,443 |  |  |
Allowance for credit losses | (13,360) | (10,039) | (6,966) | (6,787) | (4,980) | (5,063)
Residential Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 112,600 |  | 124,140 |  |  |
Allowance for credit losses | (1,088) | (1,027) | (665) | (468) | (1,395) | (1,700)
Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 160,496 |  | 138,787 |  |  |
Allowance for credit losses | (1,408) | (1,673) | (1,403) | (1,838) | (2,316) | (2,532)
Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 111,411 |  | 141,091 |  |  |
Allowance for credit losses | (9,696) | (11,275) | (1,207) | (739) | (1,063) | (253)
Construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 3,790 |  | 4,922 |  |  |
Allowance for credit losses | (2) | (33) | (24) | (38) | (58) | (78)
Construction to Permanent - CRE |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans receivable, gross | 2,463 |  | 1,933 |  |  |
Allowance for credit losses | $ (114) | $ (51) | $ (10) | $ (5) | $ (15) | $ (41)

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