INCOME TAXES AND DEFERRED TAXES INCOME TAXES AND DEFERRED TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax credit investments	$ 5,447		$ 5,447		$ 4,858
Unfunded commitments—tax credit investments	1,425		1,425		$ 2,864
Tax credits and other tax benefits recognized	329	$ 211	958	$ 633
Tax credit amortization expense included in provision for income taxes	$ 255	$ 185	$ 745	$ 536