EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Dec. 31, 2012	Jul. 03, 2012 TW Investor [Member]
Net (loss) / income attributable to CME Ltd.	$ (23,091)		$ (32,049)		$ (172,329)		$ (41,485)
Less: preferred dividend paid-in-kind	3,785		0		4,032		0
Net Income (Loss) Available to Common Stockholders, Basic	(26,876)		(32,049)		(176,361)		(41,485)
Net loss attributable to CME Ltd. – Diluted	$ (23,091)		$ (32,049)		$ (172,329)		$ (41,485)
Weighted average outstanding shares of common stock - basic (in shares)	145,695,000	[1]	88,134,000	[1]	118,944,000	[1]	73,065,000	[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)	145,695,000		88,134,000		118,944,000		73,065,000
Net loss per share:
Basic (in dollars per share)	$ (0.16)		$ (0.36)		$ (1.45)		$ (0.57)
Diluted (in dollars per share)	$ (0.16)		$ (0.36)		$ (1.45)		$ (0.57)
Convertible preferred stock, shares issued upon conversion										11,211,449
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount					1,615,941				3,087,087

[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.