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LOANS - Average Recorded Investment and Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Business Activities Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | $ 12,937 | $ 14,519 | $ 12,727 | $ 13,811
Interest Income Recognized | 41 | 23 | 85 | 44
Business Activities Loans | Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 8,896 | 7,847 | 8,719 | 7,437
Interest Income Recognized | 20 | 9 | 46 | 15
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 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 1 | 0 | 3 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 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 | 7,499 | 6,519 | 7,219 | 6,364
Cash basis interest income recognized, with no related allowance | 20 | 9 | 46 | 15
Recorded investment, with related allowance | 1,396 | 1,328 | 1,497 | 1,073
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Business Activities Loans | Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 1,352 | 1,514 | 1,348 | 1,327
Interest Income Recognized | 2 | 3 | 3 | 5
Business Activities Loans | Commercial and industrial | Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 940 | 731 | 931 | 680
Cash basis interest income recognized, with no related allowance | 2 | 3 | 3 | 5
Recorded investment, with related allowance | 412 | 783 | 417 | 647
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Business Activities Loans | Commercial and industrial | Agricultural |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 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 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Business Activities Loans | Residential real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 2,676 | 4,855 | 2,647 | 4,759
Interest Income Recognized | 19 | 11 | 36 | 24
Business Activities Loans | Residential real estate | Residential mortgages |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 2,104 | 4,057 | 2,113 | 4,063
Cash basis interest income recognized, with no related allowance | 16 | 9 | 31 | 19
Recorded investment, with related allowance | 572 | 798 | 534 | 696
Cash basis interest income recognized, with related allowance | 3 | 2 | 5 | 5
Business Activities Loans | Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 13 | 303 | 13 | 288
Interest Income Recognized | 0 | 0 | 0 | 0
Business Activities Loans | Consumer | Home equity |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 303 | 0 | 288
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 13 | 0 | 13 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Business Activities Loans | Consumer | Other consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Acquired Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 1,459 | 755 | 1,435 | 709
Interest Income Recognized | 0 | 1 | 0 | 2
Acquired Loans | Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 258 | 230 | 193 | 230
Interest Income Recognized | 0 | 0 | 0 | 1
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 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 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 | 187 | 230 | 157 | 230
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 1
Recorded investment, with related allowance | 71 | 0 | 36 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Acquired Loans | Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 412 | 432 | 446 | 432
Interest Income Recognized | 0 | 1 | 0 | 1
Acquired Loans | Commercial and industrial | Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 412 | 49 | 446 | 49
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 383 | 0 | 383
Cash basis interest income recognized, with related allowance | 0 | 1 | 0 | 1
Acquired Loans | Commercial and industrial | Agricultural |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 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 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Acquired Loans | Residential real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 789 | 93 | 796 | 47
Interest Income Recognized | 0 | 0 | 0 | 0
Acquired Loans | Residential real estate | Residential mortgages |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 426 | 93 | 431 | 47
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 363 | 0 | 365 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Acquired Loans | Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 0 | 0 | 0 | 0
Interest Income Recognized | 0 | 0 | 0 | 0
Acquired Loans | Consumer | Home equity |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | 0 | 0 | 0 | 0
Acquired Loans | Consumer | Other consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average recorded investment, with no related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with no related allowance | 0 | 0 | 0 | 0
Recorded investment, with related allowance | 0 | 0 | 0 | 0
Cash basis interest income recognized, with related allowance | $ 0 | $ 0 | $ 0 | $ 0

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