FAIR VALUE MEASUREMENTS AND DISCLOSURES - Schedule of Significant Observable Inputs Used in Fair Value Measurements (Details) - Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	$ 3,086	$ 10,227
Other real estate	1,067	2,001
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,086	10,227
Other real estate	1,067	2,001
Third party appraisals | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,086	10,227
Other real estate	$ 1,067	$ 2,001