INCOME TAXES AND DEFERRED TAXES INCOME TAXES AND DEFERRED TAXES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax credit investments	$ 33,811		$ 29,620
Unfunded commitments—tax credit investments	24,409		$ 20,235
Tax credits and other tax benefits recognized	1,007	$ 494
Tax credit amortization expense included in provision for income taxes	$ 809	$ 405