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LOANS AND LEASES (Schedule of Loan Balances by Portfolio Class) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Total loans |  | $ 4,375,155 |  | $ 4,369,573
Net deferred costs |  | 2,776 |  | 2,864
Total loans including net deferred costs |  | $ 4,377,931 |  | $ 4,372,437
Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 100.00% |  | 100.00%
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] |  |  |  |
Total loans |  | $ 498,570 |  | $ 512,841
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 11.39% |  | 11.74%
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |  |  |  |
Total loans |  | $ 45,623 |  | $ 50,545
Total loans including net deferred costs |  | $ 45,623 |  | $ 50,545
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 1.04% |  | 1.16%
Residential Portfolio Segment [Member] | Multifamily Property [Member] |  |  |  |
Total loans |  | $ 1,178,940 |  | $ 1,126,946
Total loans including net deferred costs |  | $ 1,178,940 |  | $ 1,126,946
Residential Portfolio Segment [Member] | Multifamily Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 26.95% |  | 25.79%
Residential Portfolio Segment [Member] | Junior Lien [Member] |  |  |  |
Total loans |  | $ 4,686 |  | $ 4,527
Residential Portfolio Segment [Member] | Junior Lien [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 0.11% |  | 0.10%
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] |  |  |  |
Total loans |  | $ 241,094 |  | $ 253,447
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 5.51% |  | 5.80%
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] |  |  |  |
Total loans |  | $ 966,287 |  | $ 995,613
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 22.09% |  | 22.79%
Commercial Portfolio Segment [Member] | Construction [Member] |  |  |  |
Total loans |  | $ 18,035 |  | $ 12,773
Total loans including net deferred costs |  | $ 17,865 |  | $ 12,600
Commercial Portfolio Segment [Member] | Construction [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 0.41% |  | 0.29%
Consumer and Other Loans [Member] |  |  |  |
Total loans |  | $ 42,080 |  | $ 44,483
Consumer and Other Loans [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 0.96% |  | 1.02%
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Total loans | [2] | $ 1,064,133 | [1] | $ 1,059,399
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) | [2] | 24.32% |  | 24.24%
Lease Financing [Member] |  |  |  |
Total loans |  | $ 312,358 |  | $ 305,931
Lease Financing [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 7.14% |  | 7.00%
Agricultural Sector [Member] |  |  |  |
Total loans |  | $ 3,349 |  | $ 3,068
Agricultural Sector [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |  |  |
Total loans (in percent) |  | 0.08% |  | 0.07%
[1] | The balance includes PPP loans of $187 million had no related reserve as these loans are guaranteed by the SBA.
[2] | Includes PPP loans of $187 million at March 31, 2021 and $196 million at December 31, 2020.

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