Commitments and Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended		33 Months Ended
	Jul. 31, 2023 USD ($)	Jul. 31, 2022 USD ($)	Jul. 31, 2023 USD ($) project MW	Jul. 31, 2022 USD ($)	Jul. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)
Commitments And Contingencies [Line Items]
Fuel Supply Contract Term			2 years
Total number of projects | project			3
Impairment charges	$ 6,200	$ 6,900	$ 17,800	$ 14,000	$ 42,700
Long Term Project Assets	248,223		248,223		248,223	$ 232,886
Recorded unconditional purchase obligation	86,900		$ 86,900		86,900
Tulare Biomart Project
Commitments And Contingencies [Line Items]
Term for procuring fuel			20 years
LIPA project
Commitments And Contingencies [Line Items]
Term for procuring fuel			7 years
LIPA project | Maximum
Commitments And Contingencies [Line Items]
Term for procuring fuel			18 years
Toyota Project
Commitments And Contingencies [Line Items]
Term for procuring fuel			2 years
Long Term Project Assets	22,300		$ 22,300		22,300
Toyota Project | Maximum
Commitments And Contingencies [Line Items]
Term for procuring fuel			20 years
Derby Project
Commitments And Contingencies [Line Items]
Term for procuring fuel			2 years
Derby Project | Maximum
Commitments And Contingencies [Line Items]
Term for procuring fuel			20 years
Derby Project 14.0 Mega Watt
Commitments And Contingencies [Line Items]
Under construction power plant capacity | MW			14.0
Long Term Project Assets	52,900		$ 52,900		52,900
Derby Project 2.8 Mega Watt
Commitments And Contingencies [Line Items]
Under construction power plant capacity | MW			2.8
Long Term Project Assets	$ 2,300		$ 2,300		$ 2,300
Bridgeport
Commitments And Contingencies [Line Items]
Operating power plant capacity | MW			14.9