EQUITY Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Apr. 25, 2018	Mar. 31, 2018	Mar. 31, 2017	May 02, 2014
Class of Warrant or Right [Line Items]
Proceeds from exercise of warrants		$ 2,281	$ 301
2018 Warrants [Member]
Class of Warrant or Right [Line Items]
Number of warrants exercised (in shares)		2,280,936
Proceeds from exercise of warrants		$ 2,300
Common Class A [Member] | 2018 Warrants [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding		103,573,640		114,000,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right		1
Time Warner and TW Investor [Member] | Common Class A [Member] | 2018 Warrants [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding		100,926,996
Subsequent Event [Member] | Common Class A [Member] | 2018 Warrants [Member]
Class of Warrant or Right [Line Items]
Conversion of Stock, Shares Converted	100,926,996
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.00