GOODWILL AND OTHER INTANGIBLE ASSETS (Acquired intangible assets subject to amortization) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Total	$ 1,666
Core deposit
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,590	$ 3,590
Accumulated Amortization	(1,924)	(1,472)
Total	$ 1,666	$ 2,118