GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Acquired intangible assets:
Aggregate amortization expense	$ 800	$ 900	$ 1,000
Intangible assets
Carrying amount of the Company’s trademark	259	259
Acquired intangible assets
Acquired intangible assets:
Gross Carrying Amount	7,470	7,470
Aggregate amortization expense	5,113	4,326
Core deposit intangibles
Acquired intangible assets:
Gross Carrying Amount	7,211	7,211
Aggregate amortization expense	5,113	4,326
Trademark
Acquired intangible assets:
Gross Carrying Amount	259	259
Aggregate amortization expense	$ 0	$ 0