SHARE-BASED COMPENSATION PLANS - Schedule of Employee Stock Purchase Plan Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares purchased (in shares)			56,885
Employee Stock Purchase Plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares purchased (in shares)	5,399	5,907	6,632
Weighted average price of shares purchased (in dollars per share)	$ 20.69	$ 23.04	$ 20.57
Compensation expense recognized	$ 8	$ 14	$ 17
Tax benefits	$ 2	$ 3	$ 6