CHAPTER 11 PROCEEDINGS - Summary of Reorganization Items (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reorganizations [Abstract]
Professional fees					$ 2,615
Write-off of unamortized deferred financing costs					4,792
Write-off of unamortized discount and premium of Notes					3,540
Reorganization items	$ 10,947	$ 0	$ 0	$ 0	$ 10,947	$ 0	$ 0