CONDENSED CONSOLIDATED STATEMENTS OF CASHFLOWS (Parenthetical)	Mar. 31, 2018
10.75% Senior Secured Notes
Stated interest rate	10.75%
12% Senior Cash Pay Notes
Stated interest rate	12.00%
Senior Notes | 12% Senior Secured Notes
Stated interest rate	12.00%
Senior Notes | 10.75% Senior Secured Notes
Stated interest rate	10.75%
Senior Notes | 12% Senior Cash Pay Notes
Stated interest rate	12.00%