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LOANS - Average Recorded Investment and Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | $ 14,225 | $ 4,740
Interest Income Recognized | 94 | 110
Business Activities Loans | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 7,805 | 3,046
Interest Income Recognized | 52 | 64
Business Activities Loans | Commercial real estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 1 | 637
Cash basis interest income recognized, with related allowance | 0 | 0
Business Activities Loans | Commercial real estate | Other commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 6,204 | 1,716
Cash basis interest income recognized, with no related allowance | 46 | 64
Recorded investment, with related allowance | 1,600 | 693
Cash basis interest income recognized, with related allowance | 6 | 0
Business Activities Loans | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 1,344 | 151
Interest Income Recognized | 7 | 8
Business Activities Loans | Commercial and industrial | Other Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 628 | 99
Cash basis interest income recognized, with no related allowance | 7 | 6
Recorded investment, with related allowance | 716 | 44
Cash basis interest income recognized, with related allowance | 0 | 1
Business Activities Loans | Commercial and industrial | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 8
Cash basis interest income recognized, with no related allowance | 0 | 1
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Business Activities Loans | Commercial and industrial | Tax exempt |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Business Activities Loans | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 4,827 | 1,513
Interest Income Recognized | 35 | 36
Business Activities Loans | Residential real estate | Residential mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 4,027 | 1,245
Cash basis interest income recognized, with no related allowance | 28 | 31
Recorded investment, with related allowance | 800 | 268
Cash basis interest income recognized, with related allowance | 7 | 5
Business Activities Loans | Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 249 | 30
Interest Income Recognized | 0 | 2
Business Activities Loans | Consumer | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 236 | 13
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 13 | 12
Cash basis interest income recognized, with related allowance | 0 | 0
Business Activities Loans | Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 5
Cash basis interest income recognized, with no related allowance | 0 | 2
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 852 | 616
Interest Income Recognized | 2 | 1
Acquired Loans | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 97 | 135
Interest Income Recognized | 1 | 0
Acquired Loans | Commercial real estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Commercial real estate | Other commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 97 | 89
Cash basis interest income recognized, with no related allowance | 1 | 0
Recorded investment, with related allowance | 0 | 46
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 445 | 171
Interest Income Recognized | 1 | 0
Acquired Loans | Commercial and industrial | Other Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 445 | 171
Cash basis interest income recognized, with no related allowance | 1 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Commercial and industrial | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Commercial and industrial | Tax exempt |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 310 | 254
Interest Income Recognized | 0 | 1
Acquired Loans | Residential real estate | Residential mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 124 | 254
Cash basis interest income recognized, with no related allowance | 0 | 1
Recorded investment, with related allowance | 186 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 0 | 56
Interest Income Recognized | 0 | 0
Acquired Loans | Consumer | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 47
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0
Acquired Loans | Consumer | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average recorded investment, with no related allowance | 0 | 9
Cash basis interest income recognized, with no related allowance | 0 | 0
Recorded investment, with related allowance | 0 | 0
Cash basis interest income recognized, with related allowance | $ 0 | $ 0

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