COMMON SHARESHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Equity [Abstract]
Dividends on preferred stock	$ 7,519	$ 7,519	$ 7,519
Noncontrolling Interest - Preferred Stock of Subsidiaries	155,568	155,568
Preferred stock value outstanding	$ 155,600	$ 155,600