Outstanding Loans and Security Agreements - Recourse Debt Facilities Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Non-recourse debt	$ 24,406		$ 26,023
Contractual interest expense	$ 11,746	$ 14,087
10.25% Senior Secured Notes due March 2027 \| Notes
Debt Instrument [Line Items]
Interest rate percentage	10.25%		10.25%
Secured long-term debt, noncurrent	$ 44,700		$ 48,900
Non-recourse debt	12,971		$ 12,716
10.25% Senior Secured Notes due March 2027 \| Senior Secured Notes
Debt Instrument [Line Items]
Contractual interest expense	1,700	1,700
Amortization of debt issuance costs	$ 100	100
2.5% Green Convertible Senior Notes due August 2025 \| Senior Secured Notes
Debt Instrument [Line Items]
Interest rate percentage	2.50%		2.50%
Non-recourse debt	$ 0		$ 0
Contractual interest expense	1,900	1,900
Amortization of debt issuance costs	$ 500	$ 500

Amount of amortization expense attributable to debt issuance costs.

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