INCOME TAXES AND DEFERRED TAXES INCOME TAXES AND DEFERRED TAXES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Tax credit investments	$ 5,158		$ 5,948
Unfunded commitments—tax credit investments	1,370		$ 2,690
Tax credits and other tax benefits recognized	284	$ 319
Tax credit amortization expense included in provision for income taxes	$ 168	$ 244