DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair value measurements of assets and liabilities on nonrecurring basis (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate held for sale	$ 492	$ 983
Fair Value, Measurements, Nonrecurring | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	12	$ 3,357
Real estate held for sale	$ 283
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans
Real estate held for sale
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans
Real estate held for sale
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 12	$ 3,357
Real estate held for sale	$ 283