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ALLOWANCE FOR LOAN LOSSES - Allowance Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan relationships having aggregate balances in excess of threshold with potential credit weakness |  |  |  |  |  |  |  |  |  |  |  | $ 150 |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | $ 12,325 |  |  |  |  | $ 12,325 |  |  |  |  |
Provision/(releases) for loan losses | $ 572 | $ 643 | $ 770 | 795 | $ 597 | $ 660 | $ 736 | $ 795 | 2,780 | $ 2,788 | $ 979 |  |  |
Balance at end of period | 13,866 |  |  |  | 12,325 |  |  |  | 13,866 | 12,325 |  |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 354 | $ 0 | $ 9
Total | 13,866 |  |  | 12,325 | 12,325 |  |  |  | 12,325 | 12,325 |  | 13,866 | 12,325 |
Business Activities Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 12,153 |  |  |  | 10,419 | 12,153 | 10,419 | 9,439 |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (1,382) | (701) | (411) |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 535 | 143 | 412 |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 2,275 | 2,292 | 979 |  |  |
Balance at end of period | 13,581 |  |  |  | 12,153 |  |  |  | 13,581 | 12,153 | 10,419 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 611 | 459 | 424
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 12,970 | 11,694 | 9,995
Total | 13,581 |  |  | 12,153 | 12,153 |  |  | 10,419 | 12,153 | 10,419 | 9,439 | 13,581 | 12,153 | 10,419
Business Activities Loans | Commercial real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 6,037 |  |  |  | 5,145 | 6,037 | 5,145 | 4,430 |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (417) | (124) | (133) |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 275 | 49 | 40 |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 916 | 967 | 808 |  |  |
Balance at end of period | 6,811 |  |  |  | 6,037 |  |  |  | 6,811 | 6,037 | 5,145 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 422 | 447 | 193
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 6,389 | 5,590 | 4,952
Total | 6,811 |  |  | 6,037 | 6,037 |  |  | 5,145 | 6,037 | 5,145 | 4,430 | 6,811 | 6,037 | 5,145
Business Activities Loans | Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 2,373 |  |  |  | 1,952 | 2,373 | 1,952 | 1,590 |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (111) | (189) | (90) |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 76 | 11 | 289 |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 42 | 599 | 163 |  |  |
Balance at end of period | 2,380 |  |  |  | 2,373 |  |  |  | 2,380 | 2,373 | 1,952 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 78 | 3 | 173
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 2,302 | 2,370 | 1,779
Total | 2,380 |  |  | 2,373 | 2,373 |  |  | 1,952 | 2,373 | 1,952 | 1,590 | 2,380 | 2,373 | 1,952
Business Activities Loans | Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 3,357 |  |  |  | 2,721 | 3,357 | 2,721 | 2,747 |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (225) | (226) | (141) |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 166 | 65 | 44 |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 684 | 797 | 71 |  |  |
Balance at end of period | 3,982 |  |  |  | 3,357 |  |  |  | 3,982 | 3,357 | 2,721 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 111 | 9 | 49
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 3,871 | 3,348 | 2,672
Total | 3,982 |  |  | 3,357 | 3,357 |  |  | 2,721 | 3,357 | 2,721 | 2,747 | 3,982 | 3,357 | 2,721
Business Activities Loans | Consumer |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 386 |  |  |  | 601 | 386 | 601 | 672 |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (629) | (162) | (47) |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 18 | 18 | 39 |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 633 | (71) | (63) |  |  |
Balance at end of period | 408 |  |  |  | 386 |  |  |  | 408 | 386 | 601 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 9
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 408 | 386 | 592
Total | 408 |  |  | 386 | 386 |  |  | 601 | 386 | 601 | 672 | 408 | 386 | 601
Acquired Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 172 |  |  |  | 0 | 172 | 0 |  |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (525) | (325) |  |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 133 | 1 |  |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 505 | 496 |  |  |  |
Balance at end of period | 285 |  |  |  | 172 |  |  |  | 285 | 172 | 0 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 41 | 0 |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 244 | 172 |
Total | 285 |  |  | 172 | 172 |  |  | 0 | 172 | 0 | 0 | 285 | 172 | 0
Acquired Loans | Commercial real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 97 |  |  |  | 0 | 97 | 0 |  |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (136) | (151) |  |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 43 | 1 |  |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 169 | 247 |  |  |  |
Balance at end of period | 173 |  |  |  | 97 |  |  |  | 173 | 97 | 0 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 173 | 97 |
Total | 173 |  |  | 97 | 97 |  |  | 0 | 97 | 0 | 0 | 173 | 97 | 0
Acquired Loans | Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 16 |  |  |  | 0 | 16 | 0 |  |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (166) | (18) |  |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 7 | 0 |  |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 178 | 34 |  |  |  |
Balance at end of period | 35 |  |  |  | 16 |  |  |  | 35 | 16 | 0 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 35 | 16 |
Total | 35 |  |  | 16 | 16 |  |  | 0 | 16 | 0 | 0 | 35 | 16 | 0
Acquired Loans | Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 59 |  |  |  | 0 | 59 | 0 |  |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (158) | (29) |  |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | 176 | 88 |  |  |  |
Balance at end of period | 77 |  |  |  | 59 |  |  |  | 77 | 59 | 0 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 41 | 0 |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 36 | 59 |
Total | 77 |  |  | 59 | 59 |  |  | 0 | 59 | 0 | 0 | 77 | 59 | 0
Acquired Loans | Consumer |  |  |  |  |  |  |  |  |  |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 0 |  |  |  | 0 | 0 | 0 |  |  |  |
Charged-off loans |  |  |  |  |  |  |  |  | (65) | (127) |  |  |  |
Recoveries on charged-off loans |  |  |  |  |  |  |  |  | 83 | 0 |  |  |  |
Provision/(releases) for loan losses |  |  |  |  |  |  |  |  | (18) | 127 |  |  |  |
Balance at end of period | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0 |  |  |
Allowance For Loan Losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Collectively evaluated |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Total | $ 0 |  |  | $ 0 | $ 0 |  |  | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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