Fresh Start Accounting - Reorganization Adjustment to Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Feb. 05, 2021
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents	$ 476,206	$ 194,138	$ 111,968
Reorganization Adjustments
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			(205,994)
Proceeds from Rights Offering
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			200,000
Proceeds from the Revolving Credit Facility, net of issuance costs
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			167,361
Transfer of cash from restricted cash
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			300
Payment of professional service fees
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			(23,261)
Payment of the pre-petition revolving credit facility principal and accrued interest
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			(550,019)
Deconsolidation of NHUK
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			(300)
Payment of recurring debt fees
Reorganization, Chapter 11 [Line Items]
Cash and cash equivalents			$ (75)