Outstanding Loans and Security Agreements (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

The following is a summary of our debt as of December 31, 2023 (in thousands, except percentage data):

	Unpaid Principal Balance		Net Carrying Value						Interest Rate	Maturity Dates	Entity
			Current		Long- Term		Total
3% Green Convertible Senior Notes due June 2028	632,500		—		615,205		615,205		3.0%	June 2028	Company
2.5% Green Convertible Senior Notes due August 2025	230,000		—		226,801		226,801		2.5%	August 2025	Company
Total recourse debt	862,500		—		842,006		842,006
4.6% Term Loan due October 2026	3,085		—		3,085		3,085		4.6%	October 2026	Korean JV
4.6% Term Loan due April 2026	1,542		—		1,542		1,542		4.6%	April 2026	Korean JV
Total non-recourse debt	4,627		—		4,627		4,627
Total debt	$	867,127	$	—	$	846,633	$	846,633

The following is a summary of our debt as of December 31, 2022 (in thousands, except percentage data):

	Unpaid Principal Balance		Net Carrying Value						Interest Rate	Maturity Dates	Entity
			Current		Long- Term		Total
10.25% Senior Secured Notes due March 2027	$	61,653	$	12,716	$	48,244	$	60,960	10.25%	March 2027	Company
2.5% Green Convertible Senior Notes due August 2025	230,000		—		224,832		224,832		2.5%	August 2025	Company
Total recourse debt	291,653		12,716		273,076		285,792
3.04% Senior Secured Notes due June 30, 2031	127,430		13,307		112,480		125,787		3.04%	June 2031	PPA V
Total non-recourse debt	127,430		13,307		112,480		125,787
Total debt	$	419,083	$	26,023	$	385,556	$	411,579

Schedule of Repayment and Interest Expense

The following table presents details of our outstanding loan principal repayment schedule as of December 31, 2023 (in thousands):

2024	$	—
2025	230,000
2026	4,627
2027	—
2028	632,500
Thereafter	—
	$	867,127