Other Income, Net - Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Investment income, net
Interest, dividend and accretion income	$ 671	$ 840
Interest income from investments in SPE	2,003	2,003
Interest earned on notes receivable and other interest	754	598
Total investment income, net	3,428	3,441
Interest expense
Interest incurred for project financing and other interest expense	(5,555)	(6,337)
Interest expense and amortization of discount and issuance costs for Senior Notes issued by SPE	(2,220)	(2,216)
Total interest expense	(7,775)	(8,553)
Gain on contributions to unconsolidated joint ventures		14
Equity in income from unconsolidated joint ventures	10,159	7,360
Other expense, net
Miscellaneous expense, net	(230)	(463)
Other expense, net	(230)	(463)
Total other income, net	$ 5,582	$ 1,799