Financial Instruments and Fair Value Disclosures (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Fair Values and Related Carrying Values of Our Debt Instruments

Fair values and related carrying values of our long-term debt are shown below (in millions).

	Successor
	March 31, 2022				December 31, 2021
	Fair Value		Carrying Value		Fair Value		Carrying Value
Exit Term Loans	$	99.1	$	99.1	$	100.0	$	100.0
First Lien Notes		83.0		83.8		86.2		86.1

Recurring Fair Value Measurements [Member]

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis

measured at fair value are summarized below (in thousands).

	Successor
	March 31, 2022
	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Assets at  Fair Value		Total Gains for the Three Months Ended (1)
Recurring fair value measurements:
Liability-classified Director restricted stock units	$	587	$	—	$	—	$	587	$	133

Represents a reduction in stock compensation expense due to the marking-to-market of liability-classified restricted stock units granted to our non-employee directors in April 2021.

Nonrecurring Fair Value Measurements [Member]

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Assets Measured at Fair Value on Recurring and Nonrecurring Basis

	Successor
	December 31, 2021
	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Assets at  Fair Value
Nonrecurring fair value measurements:
Impaired assets (1)	$	—	$	—	$	77,900	$	77,900

Represents the total book value as of December 31, 2021 of two semisubmersible rigs, which were written down to estimated fair value.