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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Impaired Financing Receivables by Loan Class) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | $ 26,637 | $ 19,266
Recorded investment with no allowance | 14,816 | 10,977
Recorded investment with an allowance | 10,502 | 7,320
Related allowance | 761 | 805
Average recorded investment | 17,245 | 19,913
Interest income recognized | 309 | 447
Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 17,974 | 5,940
Recorded investment with no allowance | 12,039 | 1,813
Recorded investment with an allowance | 4,616 | 3,158
Related allowance | 541 | 492
Average recorded investment | 7,357 | 7,155
Impaired Accruing Restructured Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 8,663 | 13,326
Recorded investment with no allowance | 2,777 | 9,164
Recorded investment with an allowance | 5,886 | 4,162
Related allowance | 220 | 313
Average recorded investment | 9,888 | 12,758
Interest income recognized | 309 | 447
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 8,735 | 6,156
Recorded investment with no allowance | 4,045 | 3,524
Recorded investment with an allowance | 4,508 | 2,494
Related allowance | 301 | 239
Average recorded investment | 6,490 | 7,022
Interest income recognized | 125 | 161
Residential Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 4,281 | 1,620
Recorded investment with no allowance | 2,605 | 1,482
Recorded investment with an allowance | 1,494 |
Related allowance | 118 |
Average recorded investment | 1,884 | 3,191
Residential Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 4,454 | 4,536
Recorded investment with no allowance | 1,440 | 2,042
Recorded investment with an allowance | 3,014 | 2,494
Related allowance | 183 | 239
Average recorded investment | 4,606 | 3,831
Interest income recognized | 125 | 161
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 14,187 | 5,613
Recorded investment with no allowance | 10,593 | 4,233
Recorded investment with an allowance | 2,939 | 734
Related allowance | 104 | 33
Average recorded investment | 6,565 | 5,402
Interest income recognized | 149 | 185
Commercial Real Estate Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 10,029 | 795
Recorded investment with no allowance | 9,307 | 149
Recorded investment with an allowance | 67 |
Related allowance | 67 |
Average recorded investment | 2,149 | 542
Commercial Real Estate Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 4,158 | 4,818
Recorded investment with no allowance | 1,286 | 4,084
Recorded investment with an allowance | 2,872 | 734
Related allowance | 37 | 33
Average recorded investment | 4,416 | 4,860
Interest income recognized | 149 | 185
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 445 | 425
Recorded investment with an allowance | 340 | 337
Related allowance | 36 | 33
Average recorded investment | 336 | 200
Commercial Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 445 | 425
Recorded investment with an allowance | 340 | 337
Related allowance | 36 | 33
Average recorded investment | 336 | 200
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Average recorded investment |  | 41
Consumer Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Average recorded investment |  | 41
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 3,270 | 7,072
Recorded investment with no allowance | 178 | 3,220
Recorded investment with an allowance | 2,715 | 3,755
Related allowance | 320 | 500
Average recorded investment | 3,854 | 7,248
Interest income recognized | 35 | 101
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 3,219 | 3,100
Recorded investment with no allowance | 127 | 182
Recorded investment with an allowance | 2,715 | 2,821
Related allowance | 320 | 459
Average recorded investment | 2,988 | 3,181
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Impaired Accruing Restructured Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 51 | 3,972
Recorded investment with no allowance | 51 | 3,038
Recorded investment with an allowance |  | 934
Related allowance |  | 41
Average recorded investment | 866 | 4,067
Interest income recognized | $ 35 | $ 101

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