Emergence from Voluntary Reorganization under Chapter 11 / Fresh Start Accounting Reorganization Adjustments - Successor Additional Paid-in Capital (Details) - USD ($) $ in Thousands		May 30, 2020	May 31, 2020
Fresh-Start Adjustment [Line Items]
Increase (decrease) Additional Paid in Capital, Successor		$ 0	$ 138,958
Reorganization Adjustments [Member]
Fresh-Start Adjustment [Line Items]
Increase (decrease) Additional Paid in Capital, Successor	[1]	98,413
Convertible Debt [Member] | Equity Component [Member]
Fresh-Start Adjustment [Line Items]
Recogniation of equity component of Convertible Notes		82,546
Recognition of debt issuance costs of Convertible Notes equity component		$ (2,216)

[1] The changes in Successor additional paid-in capital were as follows: Recognition of equity component of Convertible Notes$82,546 Issuance of Successor common stock to Prepetition Senior Notes creditors and prior equity holders18,083 Recognition of debt issuance costs of Convertible Notes equity component(2,216)$98,413  Due to the Convertible Notes’ embedded conversion option, the liability and equity components were reported separately, as described further in Note 7, Debt.