Name:	sph_MaximumNumberOfWeeksInFiscalQuarter
Namespace Prefix:	sph_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

The maximum number of weeks in the fiscal year reporting calendar with the last day of each reporting period ending on a Saturday.

No definition available.

Name:	sph_MaximumNumberOfWeeksInFiscalYearReportingCalendar
Namespace Prefix:	sph_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

Minimum number of weeks in a fiscal quarter so that the end of a quarter is always on a Saturday.

No definition available.

Name:	sph_MinimumNumberOfWeeksInFiscalQuarter
Namespace Prefix:	sph_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

The minimum number of weeks in the fiscal year reporting calendar with the last day of each reporting period ending on a Saturday.

No definition available.

Name:	sph_MinimumNumberOfWeeksInFiscalYearReportingCalendar
Namespace Prefix:	sph_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

Organization Consolidation and Presentation of Financial Statements Line Items.

No definition available.

Name:	sph_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix:	sph_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Revenue recognition period.

No definition available.

Name:	sph_RevenueRecognitionPeriod
Namespace Prefix:	sph_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045