Project Assets - Summary of Project Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Oct. 31, 2020
Project Assets [Line Items]
Project Assets, gross	$ 197,450	$ 190,627
Accumulated depreciation	(32,857)	(28,818)
Project Assets, net	164,593	161,809
Project Assets - Operating [Member]
Project Assets [Line Items]
Project Assets, gross	$ 103,452	99,351
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	$ 93,998	$ 91,276
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