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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, 2020 | Dec. 31, 2019
Total loans | $ 4,403,045 | $ 4,389,641
Net deferred costs | 4,960 | 4,496
Total loans including net deferred costs | $ 4,408,005 | $ 4,394,137
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 | $ 557,053 | $ 578,306
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 12.65% | 13.17%
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |  |
Total loans | $ 55,856 | $ 57,248
Total loans including net deferred costs | $ 55,856 | $ 57,248
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 1.27% | 1.30%
Residential Portfolio Segment [Member] | Multifamily Property [Member] |  |
Total loans | $ 1,203,487 | $ 1,210,003
Total loans including net deferred costs | $ 1,203,487 | $ 1,210,003
Residential Portfolio Segment [Member] | Multifamily Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 27.33% | 27.56%
Residential Portfolio Segment [Member] | Junior Lien [Member] |  |
Total loans | $ 6,817 | $ 7,011
Residential Portfolio Segment [Member] | Junior Lien [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 0.16% | 0.16%
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] |  |
Total loans | $ 251,293 | $ 249,419
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 5.71% | 5.68%
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] |  |
Total loans | $ 1,092,294 | $ 1,095,182
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 24.81% | 24.95%
Commercial Portfolio Segment [Member] | Construction [Member] |  |
Total loans | $ 3,137 | $ 5,520
Total loans including net deferred costs | $ 2,934 | $ 5,306
Commercial Portfolio Segment [Member] | Construction [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 0.07% | 0.13%
Consumer and Other Loans [Member] |  |
Total loans | $ 56,998 | $ 58,213
Consumer and Other Loans [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 1.29% | 1.33%
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |
Total loans | $ 904,949 | $ 867,295
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 20.55% | 19.76%
Lease Financing [Member] |  |
Total loans | $ 268,436 | $ 258,401
Lease Financing [Member] | Commercial Portfolio Segment [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 6.10% | 5.89%
Agricultural Sector [Member] |  |
Total loans | $ 2,725 | $ 3,043
Agricultural Sector [Member] | Customer Concentration Risk [Member] | Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 0.06% | 0.07%

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