v3.7.0.1

Organization - Additional Information (Details)	12 Months Ended
	Dec. 31, 2016 InvestmentFund
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Power purchase or lease agreement term	20 years
Number of types of investment funds used by the company	3

X

- Definition

Number of types of investment funds used by entity.

+ References

No definition available.

+ Details

Name:	run_NumberOfInvestmentFundsUsedByEntity
Namespace Prefix:	run_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration