CONVERTIBLE REDEEMABLE PREFERRED STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Jun. 25, 2013
Temporary Equity [Line Items]
Temporary equity	$ 269,370	$ 269,370
Series B Preferred Shares
Temporary Equity [Line Items]
Preferred stock, shares issued	200,000	200,000
Preferred stock, par value (in dollars per share)	$ 0.08	$ 0.08	$ 0.08
Convertible Preferred Stock, Estimated Common Stock Issued in Future Conversion	111,100,000
Sale of stock, price per share			$ 1,000
Preferred stock, conversion price	$ 2.42