EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2012	Jul. 03, 2012 Common Class A [Member] T W Investor [Member]
Net (loss) / income attributable to CME Ltd.	$ (47,916)		$ (108,280)
Less: preferred dividend paid-in-kind	3,844		0
Net Income (Loss) Available to Common Stockholders, Basic	(51,760)		(108,280)
Net loss attributable to CME Ltd. – Diluted	$ (47,916)		$ (108,280)
Weighted average outstanding shares of common stock - basic (in shares)	146,374,000	[1]	88,397,000	[1]
Dilutive effect of employee stock options and RSUs (in shares)	0		0
Weighted average outstanding shares of common stock - diluted (in shares)	146,374,000		88,397,000
Net loss per share:
Basic (in dollars per share)	$ (0.33)		$ (1.23)
Diluted (in dollars per share)	$ (0.33)		$ (1.23)
Convertible preferred stock, shares issued upon conversion						11,211,449
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,667,726				1,425,477

[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.