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LOANS (Schedule of Loan Balances by Portfolio Class) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Total loans | $ 3,702,532 | $ 3,310,104
Net deferred costs | 1,908 | 2,040
Total loans including net deferred costs | 3,704,440 | 3,312,144
Residential Portfolio Segment [Member] | Junior Lien [Member] |  |
Total loans | 7,073 | 9,206
Consumer and Other [Member] |  |
Total loans | 99,247 | 73,621
Primary Residential Mortgages [Member] | Residential Portfolio Segment [Member] |  |
Total loans | 605,569 | 557,970
Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] |  |
Total loans | 67,497 | 65,683
Total loans including net deferred costs | 67,497 | 65,682
Multifamily Property [Member] | Residential Portfolio Segment [Member] |  |
Total loans | 1,388,958 | 1,459,594
Total loans including net deferred costs | 1,388,958 | 1,459,594
Owner Occupied Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 253,492 | 176,123
Investment Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 874,098 | 752,258
Construction Loans [Member] |  |
Total loans including net deferred costs |  | 1,405
Construction Loans [Member] | Commercial Portfolio Segment [Member] |  |
Total loans | 92 | 1,497
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |
Total loans | 316,294 | 213,983
Lease Financing [Member] |  |
Total loans | $ 90,052 |
Total loans (in percent) | 2.43% |
Agricultural Sector [Member] |  |
Total loans | $ 160 | $ 169
Loans and Finance Receivables, Gross [Member] |  |
Total loans (in percent) | 100.00% | 100.00%
Loans and Finance Receivables, Gross [Member] | Residential Portfolio Segment [Member] | Junior Lien [Member] |  |
Total loans (in percent) | 0.19% | 0.28%
Loans and Finance Receivables, Gross [Member] | Consumer and Other [Member] |  |
Total loans (in percent) | 2.68% | 2.22%
Loans and Finance Receivables, Gross [Member] | Primary Residential Mortgages [Member] | Residential Portfolio Segment [Member] |  |
Total loans (in percent) | 16.35% | 16.86%
Loans and Finance Receivables, Gross [Member] | Home Equity Lines of Credit [Member] | Residential Portfolio Segment [Member] |  |
Total loans (in percent) | 1.82% | 1.98%
Loans and Finance Receivables, Gross [Member] | Multifamily Property [Member] | Residential Portfolio Segment [Member] |  |
Total loans (in percent) | 37.51% | 44.09%
Loans and Finance Receivables, Gross [Member] | Owner Occupied Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans (in percent) | 6.85% | 5.32%
Loans and Finance Receivables, Gross [Member] | Investment Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans (in percent) | 23.61% | 22.73%
Loans and Finance Receivables, Gross [Member] | Construction Loans [Member] | Commercial Portfolio Segment [Member] |  |
Total loans (in percent) | 0.01% | 0.04%
Loans and Finance Receivables, Gross [Member] | Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |
Total loans (in percent) | 8.54% | 6.47%
Loans and Finance Receivables, Gross [Member] | Agricultural Sector [Member] |  |
Total loans (in percent) | 0.01% | 0.01%

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