TRUST PREFERRED SECURITIES PAYABLE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
TRUST PREFERRED SECURITIES PAYABLE [Abstract]
Interest rate	7.00%
Trust preferred securities outstanding		$ 70,680
Trust preferred securities redeemed	$ 70,680	0	$ 0
Loss from extinguishment of debt	(1,272)	0	0
Interest expense recorded on the trust preferred securities	$ 2,708	$ 5,024	$ 5,024