LEASES - Assets and liabilities as well as the costs of operating and financial leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Leases - Assets
Operating - Other assets	$ 1,408		$ 1,408
Finance - Bank premises and equipment	1,529		1,529
Total Leased Assets	2,937		2,937
Leases - Liabilities
Operating - Other liabilities	1,408		1,408
Finance - Finance lease	1,729		1,729
Total lease liabilities	3,137		3,137
Lease cost
Operating leases - Premises and equipment	70		193
Finance leases: Amortization of leased assets - Premises and equipment	54		174
Finance leases: Interest on finance leases - Interest expense	43	$ 48	135	$ 130
Total lease cost	$ 167		$ 502
Weighted Average Remaining Lease Term
Operating leases	8 years 4 months 24 days		8 years 4 months 24 days
Financing leases	16 years		16 years
Weighted Average Discount Rate
Operating leases	3.70%		3.70%
Financing leases	8.41%		8.41%