Emergence from Voluntary Reorganization under Chapter 11 / Fresh Start Accounting Fresh Start Accounting Adjustments - Fair Value Adjustment - Long Term Debt (Details) - USD ($) $ in Thousands		May 30, 2020	May 31, 2020
Fresh-Start Adjustment [Line Items]
Discount on Senior Secured Notes		$ (3,125)
Fresh-Start Adjustment, Increase (Decrease), Long-term Debt		175,000	$ 141,239
Fresh Start Accounting Adjustments [Member]
Fresh-Start Adjustment [Line Items]
Fresh-Start Adjustment, Increase (Decrease), Long-term Debt	[1]	20,070
Liability Component [Member] | Convertible Debt [Member]
Fresh-Start Adjustment [Line Items]
Fair value adjustment to the liability component of the Convertible Notes		$ 23,195

[1] Represents the following fair value adjustments to long-term debt less unamortized discount and debt issuance costs: Fair value adjustment to the liability component of the Convertible Notes$23,195 Discount on Senior Secured Notes(3,125)$20,070  Due to the Convertible Notes’ embedded conversion option, the liability and equity components were reported separately, as described further in Note 7, Debt.