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Loans Receivable and Allowance for Credit Losses (Delinquency Status of Total Loans) (Details) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | $ 3,200,549,000 | $ 3,317,402,000 | $ 3,354,921,000
Loans Receivable >90 Days and Accruing | 577,000 | 0 |
Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 68,653,000 | 32,654,000 |
30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 35,139,000 | 15,338,000 |
60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 5,957,000 | 8,487,000 |
Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 27,557,000 | 8,829,000 |
Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 3,131,896,000 | 3,284,748,000 |
Residential [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 242,706,000 | 248,295,000 | 250,345,000
Commercial & Multi-family [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,340,385,000 | 2,434,115,000 | 2,490,883,000
Construction [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 173,207,000 | 192,816,000 | 179,156,000
Loans Receivable >90 Days and Accruing | 577,000 |  |
Commercial Business [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 274,906,000 | 269,274,000 | 272,601,000
Business Express [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 100,449,000 | 102,928,000 | 96,347,000
Home Equity [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 66,843,000 | 66,331,000 | 61,595,000
Consumer [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,053,000 | 3,643,000 | $ 3,994,000
Originated loans [Member] | Residential [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 242,706,000 | 248,295,000 |
Loans Receivable >90 Days and Accruing |  |  |
Originated loans [Member] | Residential [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 5,315,000 | 4,971,000 |
Originated loans [Member] | Residential [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 4,905,000 | 4,701,000 |
Originated loans [Member] | Residential [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 237,000 |  |
Originated loans [Member] | Residential [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 173,000 | 270,000 |
Originated loans [Member] | Residential [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 237,391,000 | 243,324,000 |
Originated loans [Member] | Commercial & Multi-family [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,340,385,000 | 2,434,115,000 |
Loans Receivable >90 Days and Accruing |  |  |
Originated loans [Member] | Commercial & Multi-family [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 45,639,000 | 16,571,000 |
Originated loans [Member] | Commercial & Multi-family [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 20,945,000 | 1,853,000 |
Originated loans [Member] | Commercial & Multi-family [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 797,000 | 7,876,000 |
Originated loans [Member] | Commercial & Multi-family [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 23,897,000 | 6,842,000 |
Originated loans [Member] | Commercial & Multi-family [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,294,746,000 | 2,417,544,000 |
Originated loans [Member] | Construction [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 173,207,000 | 192,816,000 |
Loans Receivable >90 Days and Accruing | 577,000 |  |
Originated loans [Member] | Construction [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 1,164,000 | 4,227,000 |
Originated loans [Member] | Construction [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable |  | 3,641,000 |
Originated loans [Member] | Construction [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable |  |  |
Originated loans [Member] | Construction [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 1,164,000 | 586,000 |
Originated loans [Member] | Construction [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 172,043,000 | 188,589,000 |
Originated loans [Member] | Commercial Business [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 274,906,000 | 269,274,000 |
Loans Receivable >90 Days and Accruing |  |  |
Originated loans [Member] | Commercial Business [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 8,102,000 | 3,757,000 |
Originated loans [Member] | Commercial Business [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 4,542,000 | 2,314,000 |
Originated loans [Member] | Commercial Business [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 1,287,000 | 362,000 |
Originated loans [Member] | Commercial Business [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,273,000 | 1,081,000 |
Originated loans [Member] | Commercial Business [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 266,804,000 | 265,517,000 |
Originated loans [Member] | Business Express [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 100,449,000 | 102,928,000 |
Originated loans [Member] | Business Express [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 7,351,000 | 2,221,000 |
Originated loans [Member] | Business Express [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 3,766,000 | 1,922,000 |
Originated loans [Member] | Business Express [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 3,535,000 | 249,000 |
Originated loans [Member] | Business Express [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 50,000 | 50,000 |
Originated loans [Member] | Business Express [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 93,098,000 | 100,707,000 |
Originated loans [Member] | Home Equity [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 66,843,000 | 66,331,000 |
Loans Receivable >90 Days and Accruing |  |  |
Originated loans [Member] | Home Equity [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 1,062,000 | 907,000 |
Originated loans [Member] | Home Equity [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 981,000 | 907,000 |
Originated loans [Member] | Home Equity [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 81,000 |  |
Originated loans [Member] | Home Equity [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable |  |  |
Originated loans [Member] | Home Equity [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 65,781,000 | 65,424,000 |
Originated loans [Member] | Consumer [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 2,053,000 | 3,643,000 |
Loans Receivable >90 Days and Accruing |  |  |
Originated loans [Member] | Consumer [Member] | Total Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 20,000 |  |
Originated loans [Member] | Consumer [Member] | 30 To 59 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable |  |  |
Originated loans [Member] | Consumer [Member] | 60 To 90 Days Past Due [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | 20,000 |  |
Originated loans [Member] | Consumer [Member] | Greater Than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable |  |  |
Originated loans [Member] | Consumer [Member] | Current [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans Receivable | $ 2,033,000 | $ 3,643,000 |

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