FAIR VALUE - Fair Value of Foreclosed Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Carrying Value | Foreclosed assets remeasured at initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	$ 351	$ 78	$ 43
Carrying Value | Foreclosed assets remeasured subsequent to initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	0	170	135
Charge-offs | Foreclosed assets remeasured at initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	(109)	(11)	(8)
Charge-offs | Foreclosed assets remeasured subsequent to initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	0	(69)	(58)
Fair Value | Foreclosed assets remeasured at initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	242	67	35
Fair Value | Foreclosed assets remeasured subsequent to initial recognition
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed assets	$ 0	$ 101	$ 77