LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - (Details)	6 Months Ended
	Jun. 30, 2020 USD ($) borrower loan	Jun. 30, 2019 borrower	Dec. 31, 2019 USD ($)
Financing Receivable, Impaired [Line Items]
Loans outstanding	$ 484,000
Number of borrowers \| borrower	20	39
30-89 Days Past Due
Financing Receivable, Impaired [Line Items]
Loans outstanding	$ 3,138,000		$ 822,000
30-89 Days Past Due \| Substandard
Financing Receivable, Impaired [Line Items]
Loans outstanding	$ 484,000
Consumer
Financing Receivable, Impaired [Line Items]
Number of loans \| loan	1
Number of borrowers \| borrower	1
Amount of consumer and indirect loans, outstanding	$ 39,711
Amount of consumer and indirect loans, specific reserves	10,808
Consumer \| 30-89 Days Past Due
Financing Receivable, Impaired [Line Items]
Loans outstanding	66,000		$ 74,000
Commercial Real Estate \| 30-89 Days Past Due
Financing Receivable, Impaired [Line Items]
Loans outstanding	1,409,000
Commercial Real Estate \| 30-89 Days Past Due \| Substandard
Financing Receivable, Impaired [Line Items]
Loans outstanding	$ 484,000