ALLOWANCE FOR ESTIMATED LOSSES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Balance January 1,	$ 17,037	$ 18,279	$ 19,600
Increase (decrease) in provision		(1,242)	(1,321)
Balance December 31,	$ 17,037	$ 17,037	$ 18,279