Financial Instruments and Fair Value Disclosures (Tables)

3 Months Ended

Mar. 31, 2023

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).

	March 31, 2023				December 31, 2022
	Fair Value		Carrying Value		Fair Value		Carrying Value
Exit Term Loans	$	90.9	$	100.0	$	91.1	$	100.0
First Lien Notes		82.4		85.3		78.3		85.3

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

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

	March 31, 2023
	Fair Value Measurements Using
	Level 1			Level 2		Level 3		Liabilities at  Fair Value			Total Losses for Three Months Ended (1)
Recurring fair value measurements:
Liability-classified Director restricted stock units	$	(1,607	)	$	—	$	—	$	(1,607	)	$	(219	)

Represents an increase in stock compensation expense due to the “marking-to-market” of liability-classified restricted stock units granted to our non-employee directors.

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

	December 31, 2022
	Fair Value Measurements Using
	Level 1			Level 2		Level 3		Liabilities at  Fair Value			Total Losses for Year Ended (1)
Recurring fair value measurements:
Liability-classified Director restricted stock units	$	(1,258	)	$	—	$	—	$	(1,258	)	$	(230	)

(1)Represents an increase in stock compensation expense due to the “marking-to-market” of liability-classified restricted stock units granted to our non-employee directors.