Long-term Debt - Credit Facility (Details)		9 Months Ended
Mar. 17, 2014	Sep. 30, 2015
Credit Facility [Member]
Debt Instrument [Line Items]
Total leverage ratio		4.53
Interest coverage ratio		3.91
Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Total leverage ratio		6.50
Term Loan Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	4.00%	3.25%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	1.00%	1.00%
Term Loan Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.00%	2.25%
Year 4 [Member] \| Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest coverage ratio		3.00
Year 4 [Member] \| Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Total leverage ratio		5.00

Interest Coverage Ratio

No definition available.

Name:	stn_InterestCoverageRatio
Namespace Prefix:	stn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The ratio of consolidated total debt to consolidated EBITDA, both as defined in the credit agreement.

+ References

No definition available.

+ Details

Name:	stn_RatioofindebtednesstoEBITDA
Namespace Prefix:	stn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- 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

Minimum contractual interest rate for funds borrowed, under the debt agreement.

+ 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(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- 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.

+ References

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	stn_YearofCreditFacilityAxis=stn_Year4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: