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LOANS AND ALLOWANCE FOR LOAN LOSSES - Average Recorded Investment in Impaired Loans and Related Interest Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | $ 6,775 | $ 15,871 | $ 7,276 | $ 16,515
Interest Income Recognized | 27 | 8 | 35 | 17
Commercial real estate | Owner-occupied |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 979 | 1,954 | 1,036 | 2,012
Interest Income Recognized | 5 | 0 | 5 | 0
Commercial real estate | Non-owner occupied |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 0 | 7,251 | 276 | 7,511
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial real estate | Multi-family |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 186 | 221 | 191 | 225
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial real estate | Non-owner occupied residential |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 427 | 699 | 437 | 787
Interest Income Recognized | 0 | 0 | 0 | 0
Acquisition and development | Commercial and land development |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 0 | 3 | 0 | 4
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial and industrial |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 404 | 514 | 458 | 619
Interest Income Recognized | 0 | 0 | 0 | 0
Residential mortgage | First lien |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 4,192 | 4,618 | 4,272 | 4,697
Interest Income Recognized | 21 | 8 | 29 | 17
Residential mortgage | Home equity - term |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 78 | 98 | 87 | 100
Interest Income Recognized | 0 | 0 | 0 | 0
Residential mortgage | Home equity - lines of credit |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 503 | 499 | 513 | 544
Interest Income Recognized | 1 | 0 | 1 | 0
Installment and other loans |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 6 | 14 | 6 | 16
Interest Income Recognized | $ 0 | $ 0 | $ 0 | $ 0

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