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LOANS (Schedule of Loans Outstanding, by Type of Loan) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Total loans | $ 5,512,326 | $ 5,429,325
Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 100.00% | 100.00%
Unallocated Financing Receivables [Member] |  |
Total loans | $ 411 | $ 238
Unallocated Financing Receivables [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 0.01% | 0.01%
Primary Residential Mortgage [Member] | Residential Portfolio Segment [Member] |  |
Total loans | $ 614,840 | $ 578,327
Primary Residential Mortgage [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 11.15% | 10.65%
Multifamily Property [Member] | Residential Portfolio Segment [Member] |  |
Total loans | $ 1,799,754 | $ 1,836,390
Multifamily Property [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 32.65% | 33.82%
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | $ 588,104 | $ 637,625
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 10.67% | 11.74%
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | $ 2,389,105 | $ 2,260,524
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 43.34% | 41.64%
Construction [Member] | Commercial Portfolio Segment [Member] |  |
Total loans |  | $ 17,721
Construction [Member] | Commercial Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) |  | 0.33%
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] |  |
Total loans | $ 42,327 | $ 36,464
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 0.77% | 0.67%
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member] |  |
Total loans | $ 77,785 | $ 62,036
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 1.41% | 1.14%

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