Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

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 June 30, 2022 and December 31, 2021 (in thousands):

			Estimated Fair Value Measurements at June 30, 2022
	Carrying Value as of June 30, 2022		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	587,861	$	587,861	$	587,861	$	—	$	—
Restricted cash and investments		48,933		48,933		48,933		—		—
Liabilities:
Borrowings under senior credit facility	$	1,493,000	$	1,388,720	$	—	$	1,388,720	$	—
5.125% Senior Notes due 2023		259,275		246,595		—		246,595		—
5.875% Senior Notes due 2024		225,293		202,766		—		202,766		—
6.00% Senior Notes due 2026		350,000		285,724		—		285,724		—
6.50% Exchangeable Senior Notes due 2026		230,000		222,609		—		222,609		—
Non-recourse debt		290,150		290,150		—		290,150		—

			Estimated Fair Value Measurements at December 31, 2021
	Carrying Value as of December 31, 2021		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	506,491	$	506,491	$	506,491	$	—	$	—
Restricted cash and investments		41,831		41,831		41,831		—		—
Liabilities:
Borrowings under senior credit facility	$	1,546,895	$	1,448,280	$	—	$	1,448,280	$	—
5.125% Senior Notes due 2023		259,275		248,479		—		248,479		—
5.875% Senior Notes due 2024		225,293		199,522		—		199,522		—
6.00% Senior Notes due 2026		350,000		283,691		—		283,691		—
6.50% Exchangeable Senior Notes due 2026		230,000		248,211				248,211
Non-recourse debt		310,108		310,108		—		310,108		—