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Loans Receivable and Allowance for Credit Losses (Recorded Investment in Loans Receivable) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | $ 3,033,784 | $ 3,317,402 | $ 3,082,418 |
Deferred loan fees, net | (2,736) | (4,086) |  |
Allowance for credit losses | (34,789) | (33,608) | (32,373) | $ (37,119)
Sub-total | (37,525) | (37,694) |  |
Total Loans, net | 2,996,259 | 3,279,708 |  |
Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 239,870 | 248,295 | 250,123 |
Allowance for credit losses | (1,947) | (2,344) | (2,474) | (4,094)
Commercial & Multi-family [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 2,246,677 | 2,434,115 | 2,345,229 |
Allowance for credit losses | (11,706) | (16,301) | (21,749) | (22,065)
Construction [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 135,434 | 192,816 | 144,931 |
Allowance for credit losses | (2,020) | (3,841) | (2,094) | (2,231)
Commercial Business [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 249,852 | 269,274 | 215,440 |
Allowance for credit losses | (10,737) | (5,811) | (4,495) | (8,000)
Business Express [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 92,947 | 102,928 | 66,567 |
Allowance for credit losses | (7,769) | (4,542) | (872) |
Home Equity [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 66,769 | 66,331 | 56,888 |
Allowance for credit losses | (594) | (691) | (485) | (533)
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total Loans Receivable | 2,235 | 3,643 | 3,240 |
Allowance for credit losses | $ (16) | $ (78) | $ (24) | $ (14)

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