LOANS - Detail of Troubled Debt Restructurings (Details)	3 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans	3	3
Outstanding Recorded Investment Pre-Modification	$ 750,000	$ 266,000
Outstanding Recorded Investment Post-Modification	$ 746,000	$ 265,000
Commercial financial and agriculture
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment Pre-Modification	$ 12,000	$ 175,000
Outstanding Recorded Investment Post-Modification	$ 12,000	$ 175,000
Commercial real estate
Financing Receivable, Modifications [Line Items]
Number of Loans	2	1
Outstanding Recorded Investment Pre-Modification	$ 738,000	$ 10,000
Outstanding Recorded Investment Post-Modification	$ 734,000	$ 10,000
Residential real estate
Financing Receivable, Modifications [Line Items]
Number of Loans | loan		1
Outstanding Recorded Investment Pre-Modification		$ 81,000
Outstanding Recorded Investment Post-Modification		$ 80,000