12.5% Senior Secured Notes - Summary of Outstanding Notes Balance (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jun. 09, 2017	Jun. 30, 2017	Jun. 30, 2017
Debt Instrument [Line Items]
12.5% senior secured notes, net, as of March 31, 2017			$ 273,233
12.5% senior secured notes, net, as of June 30, 2017		$ 264,664	264,664
12.5% Senior Secured Notes
Debt Instrument [Line Items]
12.5% senior secured notes, net, as of March 31, 2017		274,624
Amortization of discount and deferred financing cost		376
Redemption of Notes	$ (10,300)	(10,336)	(10,336)
12.5% senior secured notes, net, as of June 30, 2017		$ 264,664	$ 264,664