Annual report pursuant to Section 13 and 15(d)

VIE Arrangements - Carrying Amounts and Classification of the VIEs' Assets and Liabilities Included in the Consolidated Balance Sheets (Details)

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VIE Arrangements - Carrying Amounts and Classification of the VIEs' Assets and Liabilities Included in the Consolidated Balance Sheets (Details)
$ in Thousands
 12 Months Ended
Oct. 08, 2020
fund
Dec. 31, 2020
USD ($)
fund
investment_fund
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Current assets:        
Cash   $ 519,965 $ 269,577 $ 226,625
Restricted cash   188,095 93,504  
Accounts receivable, net   95,141 77,728  
Inventories   283,045 260,571  
Prepaid expenses and other current assets   51,483 32,450  
Total current assets   1,137,729 733,830  
Property and equipment, net   62,182 56,708  
Other assets   681,665 408,403  
Total assets [1]   14,382,943 5,806,341  
Current liabilities:        
Accounts payable   207,441 223,356  
Distributions payable to noncontrolling interests and redeemable noncontrolling interests   28,627 16,062  
Accrued expenses and other liabilities   325,614 148,497  
Deferred revenue, current portion   108,452 77,643  
Deferred grants, current portion   8,251 8,093  
Non-recourse debt, current portion   195,036 35,348  
Total current liabilities   901,356 530,094  
Deferred revenue, net of current portion   690,824 651,856  
Deferred grants, net of current portion   213,269 218,568  
Non-recourse debt, net of current portion   4,370,449 1,980,107  
Other liabilities   268,684 141,401  
Total liabilities [1]   $ 7,093,572 4,168,344  
Number of VIE funds | fund 35      
Number of types of investment funds used by the company | investment_fund   3    
Variable Interest Entities        
Current assets:        
Cash   $ 219,502 133,362  
Restricted cash   34,559 2,746  
Accounts receivable, net   35,152 21,956  
Inventories   23,306 15,721  
Prepaid expenses and other current assets   2,629 554  
Total current assets   315,148 174,339  
Other assets   127,591 87,151  
Total assets   7,190,866 3,521,202  
Current liabilities:        
Accounts payable   15,609 11,531  
Distributions payable to noncontrolling interests and redeemable noncontrolling interests   28,577 16,012  
Accrued expenses and other liabilities   24,660 10,740  
Deferred revenue, current portion   44,906 38,265  
Deferred grants, current portion   1,007 1,011  
Non-recourse debt, current portion   31,594 4,901  
Total current liabilities   146,353 82,460  
Deferred revenue, net of current portion   493,161 443,873  
Deferred grants, net of current portion   25,891 27,023  
Non-recourse debt, net of current portion   1,160,817 201,575  
Other liabilities   31,745 19,633  
Total liabilities   $ 1,857,967 774,564  
Number of types of investment funds used by the company | fund   7    
Solar energy systems, net        
Current assets:        
Property and equipment, net   $ 8,202,788 4,492,615  
Solar energy systems, net | Variable Interest Entities        
Current assets:        
Property and equipment, net   $ 6,748,127 $ 3,259,712  
[1] The Company’s consolidated assets as of December 31, 2020 and 2019 include $7,190,866 and $3,521,202, respectively, in assets of variable interest entities, or “VIEs”, that can only be used to settle obligations of the VIEs. Solar energy systems, net, as of December 31, 2020 and 2019 were $6,748,127 and $3,259,712, respectively; cash as of December 31, 2020 and 2019 were $219,502 and $133,362, respectively; restricted cash as of December 31, 2020 and 2019 were $34,559 and $2,746, respectively; accounts receivable, net as of December 31, 2020 and 2019 were $35,152 and $21,956, respectively; inventories as of December 31, 2020 and December 31, 2019 of $23,306 and $15,721; prepaid expenses and other current assets as of December 31, 2020 and 2019 were $2,629 and $554, respectively and other assets as of December 31, 2020 and 2019 were $127,591 and $87,151, respectively. The Company’s consolidated liabilities as of December 31, 2020 and 2019 include $1,857,967 and $774,564, respectively, in liabilities of VIEs whose creditors have no recourse to the Company. These liabilities include accounts payable as of December 31, 2020 and 2019 of $15,609 and $11,531, respectively; distributions payable to noncontrolling interests and redeemable noncontrolling interests as of December 31, 2020 and 2019 of $28,577 and $16,012, respectively; accrued expenses and other liabilities as of December 31, 2020 and 2019 of $24,660 and $10,740, respectively; deferred revenue as of December 31, 2020 and 2019 of $538,067 and $482,138, respectively; deferred grants as of December 31, 2020 and 2019 of $26,898 and $28,034, respectively; non-recourse debt as of December 31, 2020 and 2019 of $1,192,411 and $206,476, respectively; and other liabilities as of December 31, 2020 and December 31, 2019 of $31,745 and $19,633, respectively.