EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013		Dec. 31, 2012
Net (loss) / income attributable to CME Ltd.	$ (52,138)		$ (23,091)		$ (152,491)		$ (172,329)
Preferred dividend paid in-kind	4,077		3,800		11,880		4,000
Net Income (Loss) Available to Common Stockholders, Basic	(56,215)		(26,876)		(164,371)		(176,361)
Net loss attributable to CME Ltd. – Diluted	(56,215)		(26,876)		(164,371)		(176,361)
Weighted average outstanding shares of common stock - basic (in shares)	146,610,000	[1]	145,695,000	[1]	146,477,000	[1]	118,944,000	[1]
Dilutive effect of employee stock options and RSUs (in shares)	0		0		0		0
Weighted average outstanding shares of common stock - diluted (in shares)	146,610,000		145,695,000		146,477,000		118,944,000
Net loss per share:
Basic (in dollars per share)	$ (0.38)		$ (0.18)		$ (1.12)		$ (1.48)
Diluted (in dollars per share)	$ (0.38)		$ (0.18)		$ (1.12)		$ (1.48)
Antidilutive securities excluded from computation of earnings per share					1,398,166				1,425,477
Series B Preferred Stock [Member]
Dilutive Securities, Effect on Basic Earnings Per Share	$ 0		$ 0		$ 0		$ 0
Common Class A [Member] | T W Investor [Member]
Net loss per share:
Convertible preferred stock, shares issued upon conversion	11,211,449				11,211,449

[1] For the purpose of computing basic earnings per share, the 11,211,449 shares of Class A common stock underlying the Series A Preferred Share are included in the weighted average outstanding shares of common stock - basic, primarily because the holder of the Series A Preferred Share is entitled to receive any dividends payable when dividends are declared by the Board of Directors with respect to any shares of common stock.