EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Income / (loss) from continuing operations		$ 6,084	$ (5,982)
Net loss attributable to noncontrolling interests		178	209
Less: preferred share accretion paid in kind (Note 13)		(2,447)	(2,357)
Less: income allocated to Series B Preferred Shares		(1,563)	0
Income / (loss) from continuing operations available to common shareholders, net of noncontrolling interest		2,252	(8,130)
Income / (loss) from discontinued operations, net of tax (Note 3)		988	(5,292)
Net income / (loss) attributable to CME Ltd. available to common shareholders — basic		3,240	(13,422)
Net income / (loss) attributable to CME Ltd. available to common shareholders — diluted		$ 3,305	$ (13,422)
Weighted average outstanding shares of common stock - basic (in shares)	[1]	158,039,000	154,795,000
Dilutive effect of common stock warrants, employee stock options and RSUs (in shares)		83,866,000	0
Weighted average outstanding shares of common stock - diluted (in shares)		241,905,000	154,795,000
Net income / (loss) per share:
Continuing operations — basic		$ 0.01	$ (0.05)
Continuing operations — diluted		0.01	(0.05)
Discontinued operations — basic		0.01	(0.04)
Discontinued operations — diluted		0.00	(0.04)
Net income / (loss) attributable to CME Ltd. — basic		0.02	(0.09)
Net income / (loss) attributable to CME Ltd. — diluted		$ 0.01	$ (0.09)
Series B Preferred Shares
Dilutive effect of Series B Preferred Shares		$ (65)	$ 0
Common Class A [Member] | T W Investor [Member]
Net income / (loss) per share:
Incremental common shares attributable to dilutive effect of conversion of preferred stock (in shares)		11,211,449	11,211,449

[1] (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, 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 the common stock.