GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Beginning of year	$ 33,796	$ 33,796	$ 29,875
Acquired goodwill	1,575	0	3,921
Impairment	0	0	0
End of year	35,371	33,796	33,796
Acquired Finite-Lived Intangible Assets [Line Items]
Aggregate intangible amortization expense	1,139	853	$ 818
Estimated amortization expense [Abstract]
2017	974
2018	765
2019	656
2020	475
2021	473
Thereafter	1,006
Total	4,349	2,180
Core Deposits [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	8,758	7,085
Accumulated amortization	$ (4,409)	$ (4,905)