Project Assets - Summary of Project Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Project Assets [Line Items]
Project Assets, gross	$ 190,627	$ 160,008
Accumulated depreciation	28,818	15,893
Project Assets, net	$ 161,809	144,115
Project assets estimated useful life	20 years
Minimum [Member]
Project Assets [Line Items]
Project assets estimated useful life	4 years
Maximum [Member]
Project Assets [Line Items]
Project assets estimated useful life	7 years
Project Assets - Operating [Member]
Project Assets [Line Items]
Project Assets, gross	$ 99,351	75,075
Project Assets - Operating [Member] | Minimum [Member]
Project Assets [Line Items]
Project assets estimated useful life	5 years
Project Assets - Operating [Member] | Maximum [Member]
Project Assets [Line Items]
Project assets estimated useful life	20 years
Project Assets - Construction in progress [Member]
Project Assets [Line Items]
Project Assets, gross	$ 91,276	$ 84,933
Project Assets - Construction in progress [Member] | Minimum [Member]
Project Assets [Line Items]
Project assets estimated useful life	7 years
Project Assets - Construction in progress [Member] | Maximum [Member]
Project Assets [Line Items]
Project assets estimated useful life	20 years