FAIR VALUES OF ASSETS AND LIABILITIES - Quantitative Information About Recurring Level 3 Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Municipal securities
Quantitative Information About Recurring Fair Value Measurements [Line Items]
Fair Value	$ 10,345	$ 7,574
Valuation Technique	Discounted cash flow	Discounted cash flow
Significant Unobservable Inputs	Discount rate	Discount rate
Range of Inputs, Minimum	1.50%	2.00%
Range of Inputs, Maximum	4.40%	3.50%
Trust Preferred Securities [Member]
Quantitative Information About Recurring Fair Value Measurements [Line Items]
Fair Value	$ 408	$ 874
Valuation Technique	Discounted cash flow	Discounted cash flow
Significant Unobservable Inputs	Discount rate	Discount rate
Range of Inputs, Minimum	2.73%	3.71%
Range of Inputs, Maximum	4.15%	5.03%