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IMPAIRED LOANS AND ALLOWANCE FOR LOAN LOSSES - Modified Loans (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Number
Mar. 31, 2016
USD ($)
Number
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Number 1 2
Pre-Modification Outstanding Recorded Investment $ 52 $ 491
Post-Modification Outstanding Recorded Investment 46 470
Specific Reserve Recorded 0 0
Valuation Allowance Recorded $ 6 $ 21
Construction and Land Development [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Number 1  
Pre-Modification Outstanding Recorded Investment $ 52  
Post-Modification Outstanding Recorded Investment 46  
Specific Reserve Recorded 0  
Valuation Allowance Recorded $ 6  
Residential Real Estate [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Number   2
Pre-Modification Outstanding Recorded Investment   $ 491
Post-Modification Outstanding Recorded Investment   470
Specific Reserve Recorded   0
Valuation Allowance Recorded   $ 21