INVESTMENTS IN EQUITY INVESTEES (Details) - CTC Investments - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 23, 2015
ASSETS
Current assets	$ 186,989
Non-current assets	166,261
TOTAL ASSETS	353,250
LIABILITIES
Current liabilities	69,752
Non-current liabilities	2,850
TOTAL LIABILITIES	72,602
Non-controlling interest	$ 6,184
Equity Method Investments.
Investments in equity investees
Ownership interest (as a percent)	25.00%	25.00%
Fair value of equity method investment	$ 89,457