Debt Instrument Basis Spread On Variable Rate Periodic Increase

No definition available.

Name:	run_DebtInstrumentBasisSpreadOnVariableRatePeriodicIncrease
Namespace Prefix:	run_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument maturity month and year.

+ References

No definition available.

+ Details

Name:	run_DebtInstrumentMaturityMonthAndYear
Namespace Prefix:	run_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Revolving line of credit facility available period.

+ References

No definition available.

+ Details

Name:	run_RevolvingLineOfCreditFacilityAvailablePeriod
Namespace Prefix:	run_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revolving line of credit facility available period increase.

+ References

No definition available.

+ Details

Name:	run_RevolvingLineOfCreditFacilityAvailablePeriodIncrease
Namespace Prefix:	run_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=run_SyndicatedTermLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=run_AggregateBankingFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=run_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=run_LiborFloorRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=run_SecuredNonRecourseLoanAgreementMember
Namespace Prefix:
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Subsequent Events - Additional Information (Details) - USD ($)	1 Months Ended		12 Months Ended
	Mar. 31, 2016	Jan. 31, 2016	Dec. 31, 2015	Jan. 01, 2016
Basis point
Subsequent Event [Line Items]
Annual Contractual Interest Rate			3.25%
Subsequent Event \| Syndicated Term Loans
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity				$ 250,000,000
Maturity Date		Dec. 31, 2020
Subsequent Event \| Syndicated Term Loans \| Aggregate Banking Facilities
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity				220,000,000
Subsequent Event \| Syndicated Term Loans \| Term Loan
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity				23,000,000
Subsequent Event \| Syndicated Term Loans \| Letter of Credit Sub-Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity				$ 7,000,000
Subsequent Event \| Syndicated Term Loans \| Basis point \| Aggregate Banking Facilities
Subsequent Event [Line Items]
Annual Contractual Interest Rate		2.50%
Revolving line of credit facility available period		3 years
Debt instrument, variable rate periodic increase		2.75%
Revolving line of credit facility available period increase		2 years
Subsequent Event \| Syndicated Term Loans \| Basis point \| Term Loan
Subsequent Event [Line Items]
Annual Contractual Interest Rate		5.00%
Revolving line of credit facility available period		3 years
Debt instrument, variable rate periodic increase		6.50%
Revolving line of credit facility available period increase		2 years
Subsequent Event \| Syndicated Term Loans \| Basis point \| Letter of Credit Sub-Facility
Subsequent Event [Line Items]
Annual Contractual Interest Rate		2.50%
Revolving line of credit facility available period		3 years
Debt instrument, variable rate periodic increase		2.75%
Revolving line of credit facility available period increase		2 years
Subsequent Event \| Syndicated Term Loans \| LIBOR Floor Rate \| Term Loan
Subsequent Event [Line Items]
Annual Contractual Interest Rate		1.00%
Subsequent Event \| Secured, Non-recourse Loan Agreement
Subsequent Event [Line Items]
Aggregate amount of debt	$ 24,500,000
Debt instrument maturity year	2022-09
Debt instrument, Description	In March 2016, a subsidiary of the Company entered into a $24.5 million secured, non-recourse loan agreement. The loan will be repaid through cashflows from a lease pass-through arrangement previously entered into by the Company. The loan matures in September 2022 and has an interest rate of LIBOR + 2.25%.
Subsequent Event \| Secured, Non-recourse Loan Agreement \| Basis point
Subsequent Event [Line Items]
Annual Contractual Interest Rate	2.25%