GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Goodwill [Roll Forward]
Beginning of year			$ 21,824	$ 21,824	$ 21,824
Acquired goodwill			0	0
Ending balance	$ 21,824	$ 21,824	21,824	21,824	21,824
Finite-lived intangible assets, net [Abstract]
Balance Acquired			11,608		11,608
Accumulated Amortization	10,722		10,722		10,257
Aggregate amortization expense	151	$ 182	465	$ 558
Finite-lived intangible assets, future amortization expense [Abstract]
2019	144		144
2020	484		484
2021	258		258
2022	0		0
2023	0		0
Total	886		886
Core deposit intangibles
Finite-lived intangible assets, net [Abstract]
Balance Acquired			5,975		5,975
Accumulated Amortization	5,776		5,776		5,576
Other customer relationship intangibles
Finite-lived intangible assets, net [Abstract]
Balance Acquired			5,633		5,633
Accumulated Amortization	$ 4,946		$ 4,946		$ 4,681