Basis of Presentation and Significant Accounting Policies - Narrative (Details) - Senior Notes	Jun. 30, 2020	Jun. 14, 2020	Oct. 14, 2016	Aug. 01, 2013
First Lien Notes
Debt Instrument [Line Items]
Interest rate (as a percent)			8.50%
Proportion of Notes holders entered into RSA (as a percent)		92.00%
Second Lien Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	9.875%			9.875%
Proportion of Notes holders entered into RSA (as a percent)		67.00%