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Loans - Non-Accrual at Amortized Cost (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | $ 29,942 | $ 15,254
Non-accrual amortized cost end of the reporting period | 17,278 | 29,942
Non-accrual with no related allowance | 13,344 | 13,040
Interest income recognized | 20 | 171
Loans ninety days or more past due and still accruing |  | 2,600
Multi-family Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 3,547 | 2,652
Non-accrual amortized cost end of the reporting period | 3,600 | 3,547
Non-accrual with no related allowance | 3,600 | 3,547
Interest income recognized | 2 |
Commercial Real Estate [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 254 | 640
Non-accrual amortized cost end of the reporting period |  | 254
Non-accrual with no related allowance |  | 254
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 1,045 | 1,582
Non-accrual amortized cost end of the reporting period | 1,090 | 1,045
Non-accrual with no related allowance | 1,090 | 1,045
Interest income recognized | 2 |
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Non-accrual loans |  | 200
One-To-Four Family - Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 3,953 | 7,483
Non-accrual amortized cost end of the reporting period | 3,643 | 3,953
Non-accrual with no related allowance | 3,643 | 3,953
Construction Portfolio Segment |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Loans ninety days or more past due and still accruing |  | 2,600
Small Business Administration Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 950 | 952
Non-accrual amortized cost end of the reporting period | 1,265 | 950
Non-accrual with no related allowance | 1,265 | 950
Commercial Business and Other Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 20,193 | 1,945
Non-accrual amortized cost end of the reporting period | 7,680 | 20,193
Non-accrual with no related allowance | 3,746 | 3,291
Interest income recognized | $ 16 | 171
Commercial Business and Other Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Non-accrual loans |  | $ 100

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