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LOANS (Schedule of Loans Outstanding, by Type of Loan) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Total loans |  | $ 4,806,721 | $ 4,372,437
Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 100.00% | 100.00%
Unallocated Financing Receivables [Member] |  |  |
Total loans |  | $ 238 | $ 225
Unallocated Financing Receivables [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 0.01% | 0.01%
Residential Mortgage [Member] | Residential Portfolio Segment [Member] |  |  |
Total loans |  | $ 498,300 | $ 502,829
Residential Mortgage [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 10.37% | 11.50%
Multifamily Property [Member] | Residential Portfolio Segment [Member] |  |  |
Total loans |  | $ 1,595,866 | $ 1,126,946
Multifamily Property [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 33.20% | 25.77%
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Total loans |  | $ 662,626 | $ 691,294
Commercial Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 13.78% | 15.81%
Commercial Loans Including Equipment Financing [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Total loans | [1] | $ 1,955,157 | $ 1,950,981
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) | [1] | 40.67% | 44.62%
Construction [Member] | Commercial Portfolio Segment [Member] |  |  |
Total loans |  | $ 20,044 | $ 12,600
Construction [Member] | Commercial Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 0.42% | 0.29%
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] |  |  |
Total loans |  | $ 40,803 | $ 50,546
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] | Loans and Finance Receivables, Gross [Member] | Credit Concentration Risk [Member] |  |  |
Total loans (in percent) |  | 0.85% | 1.15%
Consumer Loans, Including Home Equity Loans [Member] | Consumer and Other Loans [Member] |  |  |
Total loans |  | $ 33,687 | $ 37,016
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) |  | 0.70% | 0.85%
[1] | The December 31, 2021 and 2020 balances include PPP loans of $13.8 million and $195.6 million, respectively.

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