ACQUISITIONS AND FDIC INDEMNIFICATION ASSET: (Details 1) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Beginning balance	$ 5,602	$ 6,374
Discount accretion	0	0
Disposals	(721)	(772)
Total Covered Assets	4,881	5,602
Commercial
Business Acquisition [Line Items]
Beginning balance	4,122	4,803
Discount accretion	0	0
Disposals	(671)	(681)
Total Covered Assets	3,451	4,122
Consumer
Business Acquisition [Line Items]
Beginning balance	1,480	1,571
Discount accretion	0	0
Disposals	(50)	(91)
Total Covered Assets	$ 1,430	$ 1,480