EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	May 02, 2014
Class of Stock [Line Items]
Number of shares of Class B common stock to Class A common stock	1
Proceeds from exercise of warrants	$ 1,148	$ 6,997	$ 0
T W Investor [Member]
Class of Stock [Line Items]
Ownership percentage, related party	42.20%
Beneficial Ownership Interest Total Voting Power Percentage	46.30%
Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized	5,000,000	5,000,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Outstanding	1	1
Series A Preferred Stock [Member] | T W Investor [Member]
Class of Stock [Line Items]
Preferred stock, shares issued	1	1
Preferred Stock, Shares Outstanding	1	1
Common Class A [Member]
Class of Stock [Line Items]
Common Stock, Voting Rights	1
Common stock, shares authorized	440,000,000	440,000,000
Common Stock, Shares, Issued	145,486,497	143,449,913
Common Class A [Member] | T W Investor [Member]
Class of Stock [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock	11,211,449	11,211,449	11,211,449
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Convertible Preferred Stock, Estimated Common Stock Issued in Future Conversion	109,200,000
Preferred Stock, Shares Outstanding	200,000	200,000
Common Class B [Member]
Class of Stock [Line Items]
Common Stock, Voting Rights	10
Common stock, shares authorized	15,000,000	15,000,000
Common Stock, Shares, Issued
Common stock, shares outstanding	0	0
Maximum [Member] | Common Class A [Member] | Time Warner [Member]
Class of Stock [Line Items]
Ownership percentage, related party	49.90%
2018 Warrants [Member]
Class of Stock [Line Items]
Number of Warrants Exercised	1,148,469	6,996,955
Proceeds from exercise of warrants	$ 1,100
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 1
2018 Warrants [Member] | Common Class A [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Outstanding	105,854,576			114,000,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1
2018 Warrants [Member] | Common Class A [Member] | Time Warner and TW Investor [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Outstanding	100,926,996