Fair Value of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Carrying Value and Estimated Fair Value of Financial Instruments

The following tables present the carrying values of those financial instruments and the estimated corresponding fair values at March 31, 2025 and December 31, 2024 (in thousands):

			Estimated Fair Value Measurements at March 31, 2025
	Carrying Value as of March 31, 2025		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	64,822	$	64,822	$	64,822	$	—	$	—
Restricted cash and investments		35,242		35,242		35,242		—		—
Liabilities:
Borrowings under credit agreement	$	400,823	$	405,032	$	—	$	405,032	$	—
8.625% Senior Secured Notes due 2029		650,000		683,956		—		683,956		—
10.250% Senior Notes due 2031		625,000		680,819		—		680,819		—

			Estimated Fair Value Measurements at December 31, 2024
	Carrying Value as of December 31, 2024		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	76,896	$	76,896	$	76,896	$	—	$	—
Restricted cash and investments		48,968		48,968		48,968		—		—
Liabilities:
Borrowings under credit agreement	$	430,823	$	436,838	$	—	$	436,838	$	—
8.625% Senior Secured Notes due 2029		650,000		687,239		—		687,239		—
10.250% Senior Notes due 2031		625,000		682,281		—		682,281		—
6.50% Exchangeable Senior Notes due 2026		100		314		—		314		—