Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2021	Oct. 31, 2020
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	337,500,000
Common stock, shares issued	366,618,693	294,706,758
Common stock, shares outstanding	366,618,693	294,706,758
Treasury stock, shares	73,430	56,411
Assets	$ 875,248	$ 523,538
Cash	432,213	149,867
Project assets	223,277	161,809
Variable interest entity ("VIE")
Assets	54,375	0
Cash	1,364	0
Project assets	53,012	0
Series B Preferred Stock
Preferred Stock, Liquidation Preference, Value	$ 64,020	$ 64,020
Common stock, shares issued	64,020	64,020