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LOANS (Schedule of Balances by Portfolio Class, Based on Impairment Method) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | --- | --- | --- | --- | ---
Total Loans Individually Evaluated for Impairment | $ 31,345 |  | $ 23,065 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 743 |  | 522 |  |  |
Total Loans Collectively Evaluated for Impairment | 3,763,885 |  | 3,679,467 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 36,550 |  | 35,918 |  |  |
Total Loans | 3,795,230 |  | 3,702,532 |  |  |
Total Ending ALLL | 37,293 | $ 38,066 | 36,440 | $ 35,915 | $ 35,751 | $ 32,208
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 9,103 |  | 9,802 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 358 |  | 482 |  |  |
Total Loans Collectively Evaluated for Impairment | 583,180 |  | 595,767 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 3,774 |  | 3,603 |  |  |
Total Loans | 592,283 |  | 605,569 |  |  |
Total Ending ALLL | 4,132 | 4,382 | 4,085 | 4,344 | 4,223 | 3,666
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 266 |  | 27 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 59,663 |  | 67,470 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 197 |  | 221 |  |  |
Total Loans | 59,929 |  | 67,497 |  |  |
Total Ending ALLL | 197 | 190 | 221 | 229 | 211 | 233
Residential Portfolio Segment [Member] | Multifamily Property [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 1,269 |  |  |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 385 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 1,284,547 |  | 1,388,958 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 7,270 |  | 10,007 |  |  |
Total Loans | 1,285,816 |  | 1,388,958 |  |  |
Total Ending ALLL | 7,655 | 8,259 | 10,007 | 11,246 | 11,606 | 11,192
Residential Portfolio Segment [Member] | Junior Lien [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 44 |  | 52 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 7,487 |  | 7,021 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 16 |  | 12 |  |  |
Total Loans | 7,531 |  | 7,073 |  |  |
Total Ending ALLL | 16 | 17 | 12 | 13 | 14 | 16
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 1,934 |  | 2,503 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 247,236 |  | 250,989 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 2,387 |  | 2,385 |  |  |
Total Loans | 249,170 |  | 253,492 |  |  |
Total Ending ALLL | 2,387 | 2,525 | 2,385 | 2,270 | 2,147 | 1,774
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 18,729 |  | 10,681 |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment |  |  | 40 |  |  |
Total Loans Collectively Evaluated for Impairment | 883,091 |  | 863,417 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 12,791 |  | 11,893 |  |  |
Total Loans | 901,820 |  | 874,098 |  |  |
Total Ending ALLL | 12,791 | 13,659 | 11,933 | 11,957 | 11,727 | 10,909
Commercial Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 88 |  | 92 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 1 |  | 1 |  |  |
Total Loans | 88 |  | 92 |  |  |
Total Ending ALLL | 1 | 1 | 1 | 1 | 1 | 9
Consumer and Other Loans [Member] |  |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 67,489 |  | 99,247 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 378 |  | 349 |  |  |
Total Loans | 67,489 |  | 99,247 |  |  |
Total Ending ALLL | 378 | 364 | 349 | 343 | 309 | 243
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 479,763 |  | 316,294 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 8,185 |  | 6,563 |  |  |
Total Loans | 479,763 |  | 316,294 |  |  |
Total Ending ALLL | 8,185 | 7,356 | 6,563 | 5,235 | 5,333 | 4,164
Lease Financing [Member] |  |  |  |  |  |
Total Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Ending ALLL Attributable to Loans Individually Evaluated for Impairment | 0 |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 151,189 |  | 90,052 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 1,549 |  | 884 |  |  |
Total Loans | 151,189 |  | 90,052 |  |  |
Total Ending ALLL | 1,549 |  | 884 |  |  |
Agricultural Sector [Member] |  |  |  |  |  |
Total Loans Collectively Evaluated for Impairment | 152 |  | 160 |  |  |
Ending ALLL Attributable to Loans Collectively Evaluated for Impairment | 2 |  |  |  |  |
Total Loans | 152 |  | $ 160 |  |  |
Total Ending ALLL | $ 2 | $ 2 |  | $ 2 | $ 2 | $ 2

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