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Outstanding Loans and Security Agreements - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Oct. 05, 2023	Jun. 01, 2023	May 16, 2023	Apr. 11, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2021	Aug. 31, 2020	May 01, 2020
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 867,127					$ 419,083
Current portion of debt	0					26,023
Long-term portion of debt	846,633					385,556
Total	846,633					411,579
10.25% Senior Secured Notes due March 2027
Debt Instrument [Line Items]
Interest Rate			10.25%							10.25%
Notes \| 3% Green Convertible Senior Notes due June 2028
Debt Instrument [Line Items]
Unpaid Principal Balance	632,500
Current portion of debt	0
Long-term portion of debt	$ 615,205
Interest Rate	3.00%
Notes \| 3% Green Convertible Senior Notes due June 2028 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	$ 615,205
Notes \| 10.25% Senior Secured Notes due March 2027
Debt Instrument [Line Items]
Unpaid Principal Balance						61,653
Current portion of debt	12,700					12,716
Long-term portion of debt						$ 48,244
Interest Rate						10.25%
Senior Secured Notes \| 3% Green Convertible Senior Notes due June 2028
Debt Instrument [Line Items]
Interest Rate				3.00%
Senior Secured Notes \| 3% Green Convertible Senior Notes due June 2028 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	615,205					$ 0
Senior Secured Notes \| 2.5% Green Convertible Senior Notes due August 2025
Debt Instrument [Line Items]
Unpaid Principal Balance	230,000					230,000			$ 230,000
Current portion of debt	0					0
Long-term portion of debt	$ 226,801					$ 224,832
Interest Rate	2.50%					2.50%	2.50%		2.50%
Senior Secured Notes \| 2.5% Green Convertible Senior Notes due August 2025 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	$ 226,801					$ 224,832
Senior Secured Notes \| 10.25% Senior Secured Notes due March 2027
Debt Instrument [Line Items]
Interest Rate										10.25%
Senior Secured Notes \| 10.25% Senior Secured Notes due March 2027 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	0					60,960
Senior Secured Notes \| 3.04% Senior Secured Notes due June 2031
Debt Instrument [Line Items]
Unpaid Principal Balance						127,430
Current portion of debt						13,307
Long-term portion of debt						$ 112,480
Interest Rate						3.04%		3.04%
Senior Secured Notes \| 3.04% Senior Secured Notes due June 2031 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	0					$ 125,787
Total recourse debt
Debt Instrument [Line Items]
Unpaid Principal Balance	862,500					291,653
Current portion of debt	0					12,716
Long-term portion of debt	842,006					273,076
Total	842,006					285,792
Term loan \| 4.6% Term Loan due October 2026
Debt Instrument [Line Items]
Unpaid Principal Balance	3,085
Current portion of debt	0
Long-term portion of debt	$ 3,085
Interest Rate	4.60%				4.60%
Term loan \| 4.6% Term Loan due October 2026 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	$ 3,085					0
Term loan \| 4.6% Term Loan due April 2026
Debt Instrument [Line Items]
Unpaid Principal Balance	1,542
Current portion of debt	0
Long-term portion of debt	$ 1,542
Interest Rate	4.60%	4.60%
Term loan \| 4.6% Term Loan due April 2026 \| Amortized Cost
Debt Instrument [Line Items]
Debt Instrument	$ 1,542					0
Non-recourse debt
Debt Instrument [Line Items]
Unpaid Principal Balance	4,627					127,430
Current portion of debt	0					13,307
Long-term portion of debt	4,627					112,480
Total	$ 4,627					$ 125,787