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LOANS (Schedule of Loans Outstanding, by Type of Loan) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Total loans | $ 5,285,246 | $ 4,806,721
Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 100.00% | 100.00%
Unallocated Financing Receivables [Member] |  |
Total loans | $ 304 | $ 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 | $ 525,756 | $ 498,300
Primary Residential Mortgage [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 9.95% | 10.37%
Multifamily Property [Member] | Residential Portfolio Segment [Member] |  |
Total loans | $ 1,863,915 | $ 1,595,866
Multifamily Property [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 35.27% | 33.20%
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | $ 624,625 | $ 662,626
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 11.82% | 13.78%
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | $ 2,194,094 | $ 1,955,157
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) | 41.51% | 40.67%
Construction [Member] | Commercial Portfolio Segment [Member] |  |
Total loans | $ 4,042 | $ 20,044
Construction [Member] | Commercial Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 0.07% | 0.42%
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] |  |
Total loans | $ 34,496 | $ 40,803
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |
Total loans (in percent) | 0.65% | 0.85%
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member] |  |
Total loans | $ 38,014 | $ 33,687
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) | 0.72% | 0.70%

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