SPONSORS AND MANAGEMENT WARRANTS (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended
	Oct. 07, 2016	Feb. 28, 2017	Jan. 31, 2017	Feb. 28, 2011	Mar. 31, 2017	Dec. 31, 2016	Nov. 09, 2010
Sponsors and Management Warrants
Warrant liabilities					$ 313,797	$ 332,170
Sponsors Warrants [Member]
Sponsors and Management Warrants
Exercise price (in dollars per share)							$ 50.00
Warrants outstanding							1,916,667
Number of shares called by warrants (in shares)					1,916,667
Warrant liabilities					$ 129,400	123,500
Management Warrants [Member]
Sponsors and Management Warrants
Fair value exchange				$ 19,000
Number of shares called by warrants (in shares)					2,416,956
Proceeds from issuance of Management warrants				$ 19,000
Warrant liabilities					$ 184,400	$ 208,700
Management Warrants [Member] | Chief Executive Officer [Member]
Sponsors and Management Warrants
Underlying shares associated with warrant				2,367,985
Management Warrants [Member] | President [Member]
Sponsors and Management Warrants
Underlying shares associated with warrant				315,731
Exercise price (in dollars per share)				$ 42.23
Number of shares donated to charitable trust			6,850
Number of shares issued as per warrant provision for which share settled			4,400
Warrants exercised			198,184
Management Warrants [Member] | Chief Financial Officer [Member]
Sponsors and Management Warrants
Underlying shares associated with warrant				178,971	70,014
Exercise price (in dollars per share)	$ 112.08			$ 54.50
Fair value exchange	$ 1,000
Number of shares called by warrants (in shares)	50,125
Warrants exercised		130,000
Proceeds from issuance of Management warrants	$ 1,000