Non-Recourse Debt (Future Minimum Payments of Non-Recourse Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Principal
Year ending December 31, 2020	$ 914
2021	946
2022	978
2023	1,012
2024	172
Non-recourse debt	4,022	$ 996
Interest
Year ending December 31, 2020	123
2021	91
2022	58
2023	25
2024	1
Long-term debt interest, total	298
Total
Year ending December 31, 2020	1,037
2021	1,037
2022	1,036
2023	1,037
2024	173
Long-term debt principal and interest, total	$ 4,320

Long-term debt, interest.

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- Definition

Long Term Debt Maturities Repayments of Interest In Next Twelve Months

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- Definition

Long Term Debt Maturities Repayments of Interest In Year Five

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- Definition

Long Term Debt Maturities Repayments of Interest In Year Four

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- Definition

Long Term Debt Maturities Repayments of Interest In Year Three

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- Definition

Long Term Debt Maturities Repayments of Interest In Year Two

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Long Term Debt Maturities Repayments of Principal and Interest In Next Twelve Months

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Long Term Debt Maturities Repayments of Principal and Interest In Year Five

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Long Term Debt Maturities Repayments of Principal and Interest In Year Four

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Long Term Debt Maturities Repayments of Principal and Interest In Year Three

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Long Term Debt Maturities Repayments of Principal and Interest In Year Two

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Long-term debt Principal and interest.

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Long Term Debt Principal and Interest [Abstract]

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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