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LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Impaired Loans That Are TDRs (Detail) $ in Thousands | Dec. 31, 2016 USD ($) contract | Dec. 31, 2015 USD ($) contract
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Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 22 | 21
Recorded Investment | $ | $ 1,971 | $ 1,956
Accruing |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 9 | 8
Recorded Investment | $ | $ 930 | $ 793
Accruing | Residential mortgage | First lien |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 8 | 8
Recorded Investment | $ | $ 896 | $ 793
Accruing | Residential mortgage | Home equity - lines of credit |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 1 | 0
Recorded Investment | $ | $ 34 | $ 0
Nonaccruing |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 13 | 13
Recorded Investment | $ | $ 1,041 | $ 1,163
Nonaccruing | Residential mortgage | First lien |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 12 | 12
Recorded Investment | $ | $ 1,035 | $ 1,153
Nonaccruing | Installment and other loans |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 1 | 1
Recorded Investment | $ | $ 6 | $ 10

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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 + Details
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