| Business Acquisitions and Related Transactions - Additional Information (Details) - Solar Photovoltaic Projects | 9 Months Ended | 
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| Sep. 30, 2020 | |
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| Business Acquisition [Line Items] | |
| Estimated useful life | 1 year | 
| Maximum | |
| Business Acquisition [Line Items] | |
| Estimated useful life | 15 years | 
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- Definition 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. No definition available. 
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available. 
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