GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Goodwill [Roll Forward]
Beginning of year	$ 21,824	$ 21,824	$ 21,824
Acquired goodwill	0	0
Ending balance	21,824	21,824	21,824
Finite-lived intangible assets, net [Abstract]
Balance Acquired	11,608		11,608
Accumulated Amortization	8,889		8,663
Aggregate amortization expense	226	$ 258
Finite-lived intangible assets, future amortization expense [Abstract]
2017	634
2018	734
2019	609
2020	484
2021	258
Total	2,719
Core Deposit Intangibles [Member]
Finite-lived intangible assets, net [Abstract]
Balance Acquired	5,975		5,975
Accumulated Amortization	4,827		4,689
Other Customer Relationship Intangibles [Member]
Finite-lived intangible assets, net [Abstract]
Balance Acquired	5,633		5,633
Accumulated Amortization	$ 4,062		$ 3,974