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Loans - Non-Accrual at Amortized Cost (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | $ 23,659 | $ 29,942
Non-accrual amortized cost end of the reporting period | 34,709 | 23,659
Non-accrual with no related allowance | 28,791 | 15,133
Interest income recognized | 10 | 25
Loans ninety days or more past due and still accruing |  | 1,463
Multi-family Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 3,640 | 3,547
Non-accrual amortized cost end of the reporting period | 10,047 | 3,640
Non-accrual with no related allowance | 10,047 | 3,640
Interest income recognized | 5 | 2
Loans ninety days or more past due and still accruing |  | 1,463
Commercial Real Estate [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period |  | 254
Non-accrual amortized cost end of the reporting period | 6,722 |
Non-accrual with no related allowance | 6,722 |
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 | 1,005 | 1,045
Non-accrual amortized cost end of the reporting period | 371 | 1,005
Non-accrual with no related allowance | 371 | 1,005
Interest income recognized | 1 | 3
One-To-Four Family - Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 4,670 | 3,953
Non-accrual amortized cost end of the reporting period | 889 | 4,670
Non-accrual with no related allowance | 889 | 4,670
Interest income recognized | 2 | 3
Small Business Administration Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 2,576 | 950
Non-accrual amortized cost end of the reporting period | 2,532 | 2,576
Non-accrual with no related allowance | 2,532 | 2,576
Commercial Business and Other Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual |  |
Non-accrual amortized cost beginning of the reporting period | 11,768 | 20,193
Non-accrual amortized cost end of the reporting period | 14,148 | 11,768
Non-accrual with no related allowance | 8,230 | 3,242
Interest income recognized | $ 2 | $ 17

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