STOCKHOLDERS' EQUITY - PUBLIC OFFERING (Details) - USD ($)		12 Months Ended
	Feb. 04, 2014	Dec. 31, 2014
Underwritten Public Offering
Issuance of common stock in connection with public offering, net of issuance costs (in shares)	25,875,000
Public offering price (in dollars per share)	$ 4.00
Net cash proceeds from public offering after deducting the underwriting discount and offering expenses	$ 96,805,000	$ 96,805,000