Tax Equity Financings (Details) $ in Thousands	1 Months Ended		3 Months Ended				6 Months Ended
	Nov. 30, 2021 USD ($) MW	Aug. 31, 2021 USD ($) MW	Apr. 30, 2024 USD ($)	Jan. 31, 2024 USD ($)	Apr. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2023 USD ($)	Oct. 31, 2023 USD ($)
Tax Equity Financing
Net (loss) income attributable to noncontrolling interests			$ (5,516)		$ 392		$ (30,122)	$ (2,072)
Groton Project
Tax Equity Financing
Net (loss) income attributable to noncontrolling interests			(300)		40		3,300	2,900
Derby Project
Tax Equity Financing
Net (loss) income attributable to noncontrolling interests			6,100			$ 0	26,800	0
REI Partnership Flip Transaction
Tax Equity Financing
Amount of distribution				$ 100		$ 100	300	200
Net (loss) income attributable to noncontrolling interests			200		$ 400		(100)	$ 800
REI Partnership Flip Transaction | Groton Project
Tax Equity Financing
Capacity of plant | MW		7.4
Tax equity financing commitment		$ 15,000
REI Partnership Flip Transaction | L I P A Yaphank Project
Tax Equity Financing
Capacity of plant | MW	7.4
Tax equity financing commitment	$ 12,400
Tax equity financing transactions with Franklin Park
Tax Equity Financing
Tax equity financing commitment									$ 30,200
Tax equity financing transactions with Franklin Park | Derby Project
Tax Equity Financing
Amount of distribution			$ 300				$ 400