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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Average Recorded Investment in Impaired Loans and Related Interest Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | $ 14,667 | $ 12,565 | $ 15,899 | $ 13,530
Interest Income Recognized | 8 | 147 | 25 | 170
Commercial real estate | Owner-occupied |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 1,650 | 2,336 | 1,891 | 2,749
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial real estate | Non-owner occupied |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 6,979 | 2,900 | 7,334 | 2,120
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial real estate | Multi-family |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 212 | 369 | 221 | 452
Interest Income Recognized | 0 | 0 | 0 | 0
Commercial real estate | Non-owner occupied residential |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 525 | 866 | 700 | 1,055
Interest Income Recognized | 0 | 0 | 0 | 0
Acquisition and development | Commercial and land development |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 2 | 224 | 3 | 313
Interest Income Recognized | 0 | 132 | 0 | 137
Commercial and industrial |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 494 | 797 | 577 | 1,346
Interest Income Recognized | 0 | 0 | 0 | 0
Residential mortgage | First lien |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 4,366 | 4,280 | 4,587 | 4,771
Interest Income Recognized | 8 | 15 | 25 | 33
Residential mortgage | Home equity - term |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 95 | 174 | 98 | 139
Interest Income Recognized | 0 | 0 | 0 | 0
Residential mortgage | Home equity - lines of credit |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 334 | 599 | 474 | 562
Interest Income Recognized | 0 | 0 | 0 | 0
Installment and other loans |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Impaired Balance | 10 | 20 | 14 | 23
Interest Income Recognized | $ 0 | $ 0 | $ 0 | $ 0

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