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LOANS AND ALLOWANCE FOR LOAN LOSSES - Summary of Loan Portfolio, Excluding Residential Loans Held for Sale (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 1,010,012 | $ 883,391
Commercial real estate | Owner-occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 116,811 | 112,295
Commercial real estate | Non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 244,491 | 206,358
Commercial real estate | Multi-family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 53,634 | 47,681
Commercial real estate | Non-owner occupied residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 77,980 | 62,533
Acquisition and development | 1-4 family residential construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 11,730 | 4,663
Acquisition and development | Commercial and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 19,251 | 26,085
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 115,663 | 88,465
Municipal |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 42,065 | 53,741
Residential mortgage | First lien |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 162,509 | 139,851
Residential mortgage | Home equity – term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 11,784 | 14,248
Residential mortgage | Home equity lines of credit |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | 132,192 | 120,353
Installment and other loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans | $ 21,902 | $ 7,118

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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