GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated future amortization for intangible assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Servicing Assets
Balance at beginning of year	$ 186	$ 136
Increase from loan sales	58	80
Amortization charges	(35)	(30)
Balance at end of period	209	186
Estimated future amortization for intangible assets:
Net Intangible Assets	6,770	$ 7,791
Core deposits and Customer relationship
Estimated future amortization for intangible assets:
2018	952
2019	860
2020	768
2021	675
2022	584
Thereafter	2,722
Net Intangible Assets	$ 6,561