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Chapter 11 Proceedings - Narrative (Details) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Jun. 14, 2021 USD ($) claim | Jun. 30, 2021 USD ($) | Jul. 24, 2021 USD ($)
Subsequent Event [Line Items] |  |  |
Contractual interest on liabilities subject to compromise not reflected in the Consolidated Statement of Operations |  | $ 128,000 |
Number of bankruptcy claims filed | claim | 430 |  |
Amount of filed bankruptcy claims | $ 8,800,000 |  |
Remeasurement of terminated lease to allowable claim |  | $ 186,000 |
Subsequent event |  |  |
Subsequent Event [Line Items] |  |  |
Plan of reorganization, new financing raised |  |  | $ 350,000
Plan of reorganization, reduction of liabilities |  |  | 4,900,000
Plan of reorganization, first lien exit facility |  |  | $ 300,000
Plan of reorganization, percentage of new equity securities issued to lenders |  |  | 16.75%
Plan of reorganization, amount of senior debt exchanged |  |  | $ 5,600,000
Plan of reorganization, amount of second lien debt issued in exchange transaction |  |  | $ 750,000
Plan of reorganization, percentage of equity securities issued in exchange for extinguishment of debt |  |  | 83.00%
Plan of reorganization, general unsecured claims, total available pro rata share amount |  |  | $ 250
Plan of reorganization, percentage of equity securities issued to existing shareholders |  |  | 0.25%
Subsequent event | Hemen Holding Ltd. | Investor |  |  |
Subsequent Event [Line Items] |  |  |
Plan of reorganization, new financing raised |  |  | $ 50,000
Plan of reorganization, convertible financing, percent of equity issuable under specified conditions |  |  | 5.00%

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