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Loans Receivable and Allowance for Credit Losses (Non-Accruing Loans) (Details) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | $ 11,855,000 | $ 6,940,000
Non-accrual loans with an Allowance for Credit Losses | 23,475,000 | 11,843,000
Non-accrual loans | 35,330,000 | 18,783,000
Amortized Cost Of Loans Past Due 90 Days And Still Accruing | 6,220,000 | 0
Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | 174,000 |
Non-accrual loans with an Allowance for Credit Losses | 236,000 | 270,000
Non-accrual loans | 410,000 | 270,000
Commercial & Multi-family [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | 5,853,000 | 2,029,000
Non-accrual loans with an Allowance for Credit Losses | 21,840,000 | 6,655,000
Non-accrual loans | 27,693,000 | 8,684,000
Amortized Cost Of Loans Past Due 90 Days And Still Accruing | 5,520,000 |
Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses |  | 2,312,000
Non-accrual loans with an Allowance for Credit Losses | 586,000 | 1,980,000
Non-accrual loans | 586,000 | 4,292,000
Amortized Cost Of Loans Past Due 90 Days And Still Accruing | 313,000 |
Commercial Business [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | 5,766,000 | 2,050,000
Non-accrual loans with an Allowance for Credit Losses | 535,000 | 2,892,000
Non-accrual loans | 6,301,000 | 4,942,000
Business Express [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses |  | 549,000
Non-accrual loans with an Allowance for Credit Losses | 197,000 |
Non-accrual loans | 197,000 | 549,000
Amortized Cost Of Loans Past Due 90 Days And Still Accruing | 387,000 |
Home Equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | 42,000 |
Non-accrual loans with an Allowance for Credit Losses | 81,000 | 46,000
Non-accrual loans | 123,000 | $ 46,000
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Non-accrual loans with an Allowance for Credit Losses | 20,000 |
Non-accrual loans | $ 20,000 |

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