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Represents the total basic management fees incurred by the company during the period for continuing operations. These expenses are included in property general and administrative expense and in corporate overhead expense.

No definition available.

Name:	sho_BasicManagementFeesForContinuingOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Represents the total basic management fees incurred by the company during the period for discontinued operations.

No definition available.

Name:	sho_BasicManagementFeesForDiscontinuedOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the basis on which contingent rental payments are determined for a capital lease obligation, including the percentage of gross revenue over a certain threshold.

No definition available.

Name:	sho_CapitalLeaseContingentRentCriteria
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Data Type:	num:percentItemType
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Period Type:	duration

This element represents the expense recorded during the period related to capital leases based on revenues generated by hotel operations, generally in excess of a base amount. Such rental expense is generally stipulated in the lease agreement, usually will provide for a fixed percentage to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof. Percentage rent is often required under leases with retail outlets located on premises owned by hoteliers, cruise lines, others in the hospitality industry, and shopping mall operators, among others.

No definition available.

Name:	sho_CapitalLeaseExpensePercentageRent
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the rent expense incurred by the company during the period related to the lease on the corporate facility.

No definition available.

Name:	sho_CorporateFacilityLeaseRentExpense
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the damage limitation of unsecured environmental indemnities.

No definition available.

Name:	sho_DamageLimitationOfUnsecuredEnvironmentalIndemnities
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the rent expenses for continuing operations incurred by the company during the period related to ground, building and/or air leases. These expenses are included in property tax, ground lease and insurance expense.

No definition available.

Name:	sho_GroundBuildingAndAirLeaseRentExpenseForContinuingOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the rent expenses for discontinued operations incurred by the company during the period related to ground, building and/or air leases.

No definition available.

Name:	sho_GroundBuildingAndAirLeaseRentExpenseForDiscontinuedOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the total incentive management fees incurred by the company during the period for both continuing and discontinued operations.

No definition available.

Name:	sho_IncentiveManagementFees
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	sho_IncentiveManagementFeesAbstract
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Represents the total incentive management fees incurred by the company during the period for continuing operations. These expenses are included in property general and administrative expense.

No definition available.

Name:	sho_IncentiveManagementFeesForContinuingOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the total incentive management fees incurred by the company during the period for discontinued operations.

No definition available.

Name:	sho_IncentiveManagementFeesForDiscontinuedOperations
Namespace Prefix:	sho_
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Balance Type:	debit
Period Type:	duration

Name:	sho_LicenseAndFranchiseAgreementsAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the license and franchise costs incurred by the company during the period for continuing operations.

No definition available.

Name:	sho_LicenseAndFranchiseCostsForContinuingOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the license and franchise costs incurred by the company during the period for discontinued operations.

No definition available.

Name:	sho_LicenseAndFranchiseCostsForDiscontinuedOperations
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the total license and franchise costs incurred by the company during the period.

No definition available.

Name:	sho_LicenseAndFranchiseCostsTotal
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	sho_ManagementAgreementsAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the term of unsecured environmental indemnities.

No definition available.

Name:	sho_TermOfUnsecuredEnvironmentalIndemnities
Namespace Prefix:	sho_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Topic 360

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-Paragraph 1

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-Topic 210

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-Section 45

-Paragraph 4

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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Name:	us-gaap_CapitalLeaseObligations
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_CapitalLeaseObligationsAbstract
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Data Type:	xbrli:stringItemType
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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

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Name:	us-gaap_CapitalLeaseObligationsCurrent
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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet
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Period Type:	instant

Name:	us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract
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Amount of minimum lease payments for capital leases.

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-Topic 840

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Amount of minimum lease payments maturing after the fifth rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingAfterYearFive
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Amount of minimum lease payments maturing in the fifth rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

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Amount of minimum lease payments maturing in the fourth rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour
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Amount of minimum lease payments maturing in the third rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree
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Amount of minimum lease payments maturing in the second rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo
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Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsDueRollingMaturityAbstract
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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
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Amount of minimum lease payments maturing in the next rolling twelve months following the latest balance sheet presented for capital leases.

No definition available.

Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 840

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-Section 50

-Paragraph 1

-Subparagraph (b)

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Name:	us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

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-Section 45

-Paragraph 1

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-Topic 840

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-Section 55

-Paragraph 40

-Subparagraph (Note 2)

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

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-Name Accounting Standards Codification

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-Section 50

-Paragraph 20

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-Topic 825

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-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611

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-Topic 275

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Name:	us-gaap_ConcentrationRiskPercentage1
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Balance Type:	na
Period Type:	duration

Name:	us-gaap_ConcentrationRisksTypesNoConcentrationPercentageAbstract
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Data Type:	xbrli:stringItemType
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Royalty expense incurred and are directly related to goods produced and sold and services rendered during the reporting period.

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-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a),(d))

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Name:	us-gaap_DirectOperatingCostRoyaltyExpense
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Data Type:	xbrli:monetaryItemType
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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

Name:	us-gaap_FurnitureAndFixturesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

Name:	us-gaap_LongTermCommitmentExcludingUnconditionalPurchaseObligationAbstract
Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

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

The number of real estate properties owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Name:	us-gaap_OperatingLeasesRentExpenseAbstract
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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

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-Name Accounting Standards Codification

-Glossary Financing Activities

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-Name Accounting Standards Codification

-Topic 230

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-Subparagraph (b)

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Name:	us-gaap_ProceedsFromLinesOfCredit
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Balance Type:	debit
Period Type:	duration

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

The percentage charged for managing real estate properties.

No definition available.

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

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.