Fresh Start Accounting - Fresh Start Adjustment, Capitalized Deferred Costs, Deferred Revenue and Pension Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Feb. 05, 2021
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets	$ 72,695	$ 45,026	$ 32,681
Other assets	141,385	77,247	70,420
Other current liabilities	74,013	41,136	33,635
Other liabilities	$ 256,408	$ 95,226	86,743
Deferred contract assets and revenues
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets			(10,073)
Other assets			(2,616)
Other current liabilities			(52,616)
Other liabilities			(20,320)
Write-off of certain financing costs
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets			0
Other assets			(6,238)
Other current liabilities			0
Other liabilities			0
Pension assets and obligations
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets			0
Other assets			(1,010)
Other current liabilities			3
Other liabilities			(6,085)
Fair value adjustments to other assets
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets			0
Other assets			(639)
Other current liabilities			0
Other liabilities			0
Fresh Start Adjustments
Reorganization, Chapter 11 [Line Items]
Prepaid expenses and other current assets			(10,073)
Other assets			(10,503)
Other current liabilities			(52,613)
Other liabilities			$ (26,405)