LEASES - Assets and liabilities as well as the costs of operating and financial leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Leases - Assets
Operating - Other assets	$ 1,457		$ 1,457
Finance - Bank premises and equipment	2,740		2,740
Total Leased Assets	4,197		4,197
Leases - Liabilities
Operating - Other liabilities	1,457		1,457
Finance - Finance lease	3,011		3,011
Total lease liabilities	4,468		4,468
Lease cost
Operating leases - Premises and equipment	61		123
Finance leases: Amortization of leased assets - Premises and equipment	47		120
Finance leases: Interest on finance leases - Interest expense	46	$ 48	92	$ 83
Total lease cost	$ 154		$ 335
Weighted Average Remaining Lease Term
Operating leases	8 years 7 months 6 days		8 years 7 months 6 days
Financing leases	13 years 1 month 6 days		13 years 1 month 6 days
Weighted Average Discount Rate
Operating leases	3.70%		3.70%
Financing leases	6.20%		6.20%