EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator
LOSS ATTRIBUTABLE TO KEY	$ (62,229)	$ (4,848)	$ (126,324)	$ (9,250)
Denominator
Weighted Average Number of Shares Outstanding, Basic and Diluted	153,550	152,394	153,327	152,249
Basic and diluted (per share)	$ (0.41)	$ (0.03)	$ (0.82)	$ (0.06)