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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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Outstanding Loans and Security Agreements - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Aug. 31, 2020	May 01, 2020	Mar. 31, 2020	Mar. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 707,239					$ 658,083
Current portion of debt	129,657					337,583
Long-term portion of debt	440,690					299,229
Total	570,347					636,812
Unused Borrowing Capacity	968					1,220
Letter of Credit due December 2021, Non-Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance						0
Current portion of debt						0
Long-term portion of debt						0
Total						0
10.25% senior secured notes due March 2027
Debt Instrument [Line Items]
Interest rate percentage			10.25%
Senior secured notes \| Senior Secured Notes due March 2030, Non-Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance	78,710					80,988
Current portion of debt	3,695					3,151
Long-term portion of debt	74,151					76,865
Total	$ 77,846					$ 80,016
Interest rate percentage	6.07%					6.07%
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
Long-term portion of debt	98,212
Total	$ 98,212
Interest rate percentage	2.50%	2.50%
Term loan \| Term Loan due November 2020, Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 286					$ 1,571
Current portion of debt	278					1,536
Long-term portion of debt	0					0
Total	$ 278					$ 1,536
Interest rate percentage	4.00%					4.00%
Term loan \| Term Loan due September 2028, Non-Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 35,087					$ 38,337
Current portion of debt	2,696					3,882
Long-term portion of debt	29,522					31,087
Total	$ 32,218					$ 34,969
Interest rate percentage	7.50%					7.50%
Term loan \| Term Loan due December 2021, Non-Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 117,947					$ 121,784
Current portion of debt	7,609					5,122
Long-term portion of debt	109,536					115,315
Total	$ 117,145					$ 120,437
Interest rate percentage	2.50%					2.50%
Letters of Credit \| Letter of Credit due December 2021, Non-Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 0
Current portion of debt	0
Long-term portion of debt	0
Total	0
Non-recourse debt
Debt Instrument [Line Items]
Unpaid Principal Balance	231,744					$ 241,109
Current portion of debt	14,000					12,155
Long-term portion of debt	213,209					223,267
Total	227,209					235,422
Unused Borrowing Capacity	$ 968					1,220
Convertible promissory notes \| Convertible Promissory Notes Interest Rate 5% Due December 2020, Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance						33,104
Current portion of debt						36,482
Long-term portion of debt						0
Total						$ 36,482
Interest rate percentage	5.00%			10.00%	5.00%	5.00%
Convertible promissory notes \| Convertible Promissory Notes Interest Rate 6% Due December 2020, Recourse
Debt Instrument [Line Items]
Unpaid Principal Balance						$ 289,299
Current portion of debt						273,410
Long-term portion of debt						0
Total						$ 273,410
Interest rate percentage						6.00%
Convertible promissory notes \| 10% convertible promissory notes due December 20211
Debt Instrument [Line Items]
Current portion of debt	$ 99,379
Long-term portion of debt	$ 0
Interest rate percentage	10.00%
Notes \| 10% notes due July 2024
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 79,000					$ 93,000
Current portion of debt	16,000					14,000
Long-term portion of debt	60,743					75,962
Total	$ 76,743					$ 89,962
Interest rate percentage	10.00%					10.00%
Notes \| 10.25% senior secured notes due March 2027
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 70,000
Current portion of debt	0
Long-term portion of debt	68,526
Total	$ 68,526
Interest rate percentage	10.25%
Recourse debt
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 475,495					$ 416,974
Current portion of debt	115,657					325,428
Long-term portion of debt	227,481					75,962
Total	343,138					401,390
Letters of Credit \| Letter of Credit due December 2021, Non-Recourse
Debt Instrument [Line Items]
Unused Borrowing Capacity	$ 968					$ 1,220
Interest rate percentage	2.25%					2.25%