INCOME TAXES AND DEFERRED TAXES INCOME TAXES AND DEFERRED TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax credit investments	$ 5,702		$ 5,702		$ 4,858
Unfunded commitments—tax credit investments	2,293		2,293		$ 2,864
Tax credits and other tax benefits recognized	314	$ 211	629	$ 422
Tax credit amortization expense included in provision for income taxes	$ 246	$ 177	$ 490	$ 351