Fair Value - Estimated Fair Values and Carrying Values for Customer Receivables and Debt Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Aug. 31, 2020
3% Green Convertible Senior Notes due June 2028 | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest Rate	3.00%	3.00%
3% Green Convertible Senior Notes due June 2028 | Senior Secured Notes | Net Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 616,184	$ 615,205
3% Green Convertible Senior Notes due June 2028 | Senior Secured Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 584,999	$ 673,613
2.5% Green Convertible Senior Notes due August 2025 | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest Rate	2.50%	2.50%	2.50%
2.5% Green Convertible Senior Notes due August 2025 | Senior Secured Notes | Net Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 227,293	$ 226,801
2.5% Green Convertible Senior Notes due August 2025 | Senior Secured Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 245,985	$ 260,820
4.6% Term Loan due October 2026 | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest Rate	4.60%	4.60%
4.6% Term Loan due October 2026 | Term Loan | Net Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 2,972	$ 3,085
4.6% Term Loan due October 2026 | Term Loan | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 2,807	$ 2,866
4.6% Term Loan due April 2026 | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest Rate	4.60%	4.60%
4.6% Term Loan due April 2026 | Term Loan | Net Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 1,486	$ 1,542
4.6% Term Loan due April 2026 | Term Loan | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net Carrying Value, Total	$ 1,448	$ 1,479