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Summary of Significant Accounting Policies - Schedule of Property and Equipment (Details)	9 Months Ended
	Sep. 30, 2021
Rooftop Solar Panel Systems
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	30 years
Properties Held for Use
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	37 years 6 months
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	Lesser of estimated useful life or remaining lease term
Computers and Equipment
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	5 years
Office Equipment and Furniture
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	7 years
Software Systems | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	5 years
Software Systems | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment, Useful Life	4 years

X

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123364984&loc=d3e1205-110223

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- Definition

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+ References

No definition available.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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