Outstanding Loans and Security Agreements - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 14, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 492,194		$ 539,669
Current portion of debt	28,735		25,831
Net carrying value, long-term	454,697		500,899
Total	483,432		526,730
Notes \| 10.25% Senior Secured Notes due March 2027
Debt Instrument [Line Items]
Unpaid Principal Balance	63,966		70,000
Current portion of debt	12,792		8,348
Net carrying value, long-term	50,402		60,620
Total	$ 63,194		$ 68,968
Interest rate percentage	10.25%		10.25%
Senior Secured Notes \| 2.5% Green Convertible Senior Notes due August 2025
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 230,000		$ 230,000
Current portion of debt	0		0
Net carrying value, long-term	224,340		222,863
Total	$ 224,340		$ 222,863
Interest rate percentage	2.50%		2.50%
Senior Secured Notes \| 3.04% Senior Secured Notes due June 30, 2031
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 127,736		$ 134,644
Current portion of debt	10,332		9,376
Net carrying value, long-term	115,667		123,255
Total	$ 125,999		132,631
Interest rate percentage	3.04%
Senior Secured Notes \| 6.07% Senior Secured Notes due March 2030
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 70,492		73,955
Current portion of debt	5,611		4,671
Net carrying value, long-term	64,288		68,591
Total	$ 69,899		73,262
Interest rate percentage	6.07%
Recourse Debt
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 293,966		300,000
Current portion of debt	12,792		8,348
Net carrying value, long-term	274,742		283,483
Total	$ 287,534		291,831
Term Loan \| 7.5% Term Loan due September 2028
Debt Instrument [Line Items]
Unpaid Principal Balance			31,070
Current portion of debt			3,436
Net carrying value, long-term			25,570
Total			29,006
Interest rate percentage	7.50%	7.50%
Non-recourse Debt
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 198,228		239,669
Current portion of debt	15,943		17,483
Net carrying value, long-term	179,955		217,416
Total	$ 195,898		$ 234,899

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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