GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Goodwill [Roll Forward]
Beginning of year	$ 21,824	$ 21,824	$ 21,824
Acquired goodwill	0	0
March 31,	21,824	21,824	21,824
Finite-lived intangible assets, net [Abstract]
Balance Acquired	11,608		11,608
Accumulated Amortization	7,935		7,677
Aggregate amortization expense	258	$ 304
Finite-lived intangible assets, future amortization expense [Abstract]
2016	728
2017	859
2018	734
2019	609
2020	484
2021	259
Total	3,673
Core Deposit Intangibles [Member]
Finite-lived intangible assets, net [Abstract]
Balance Acquired	5,975		5,975
Accumulated Amortization	4,226		4,057
Other Customer Relationship Intangibles [Member]
Finite-lived intangible assets, net [Abstract]
Balance Acquired	5,633		5,633
Accumulated Amortization	$ 3,709		$ 3,620