INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET
Minimum compliance period to fully utilize the tax credits	15 years
Investments in tax credit and other investments, net	$ 173,260	$ 187,456
Commitments for other tax credit investments	117,000	113,200
Amortization of tax credit and other investments	$ 83,446	$ 36,120	$ 44,092