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LOANS AND ALLOWANCE FOR LOAN LOSSES - Summary of Loan Portfolio, Excluding Residential Loans Held for Sale, Broken Out by Classes (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans $ 934,382 $ 883,391
Commercial real estate | Owner-occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 116,419 112,295
Commercial real estate | Non-owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 217,070 206,358
Commercial real estate | Multi-family    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 48,637 47,681
Commercial real estate | Non-owner occupied residential    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 68,621 62,533
Acquisition and development | Commercial and land development    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 28,481 26,085
Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 97,913 88,465
Municipal    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 51,381 53,741
Residential mortgage | First lien    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 150,173 139,851
Residential mortgage | Home equity - term    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 13,019 14,248
Residential mortgage | Home equity - lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans 127,262 120,353
Installment and other loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Loans $ 7,370 $ 7,118