Represents the period of extension to existing maturity period of debt instrument.

No definition available.

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

- Definition

Maximum borrowing capacity under the credit facility with prior approval received from the lender.

+ References

No definition available.

+ Details

Name:	sho_LineOfCreditFacilityMaximumBorrowingCapacityWithLenderApproval
Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeVariableInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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))
-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 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Period remaining on line of credit facility before it terminates, 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_LineOfCreditFacilityExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

- References

No definition available.

+ Details

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

- Definition

The cash inflow from borrowings supported by a written promise to pay an obligation that is uncollateralized (where debt is not backed by the pledge of collateral).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_ProceedsFromUnsecuredNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow from the repayment of a long-term debt instrument issued, secured by a first mortgage deed of trust, containing a pledge of real property. The lender has the highest claim on the property in case of default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_RepaymentsOfFirstMortgageBond
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=sho_UnsecuredTermLoan2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=sho_NotesMaturingInMay2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

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

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
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Notes Payable - Transactions (Details) - USD ($) $ in Thousands	1 Months Ended								12 Months Ended
	Dec. 31, 2016	May 31, 2016	Feb. 29, 2016	Jan. 31, 2016	Dec. 31, 2015	Oct. 31, 2015	May 31, 2015	Apr. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
$100.0 million term loan
Notes Payable Transactions
Proceeds received from unsecured term loan				$ 100,000
Interest rate, description of reference rate				LIBOR					LIBOR
Term loan total interest rate, including effect of swap agreement	3.653%			3.653%					3.653%
Boston Park Plaza mortgage payable
Notes Payable Transactions
Repayment of mortgage debt			$ 114,200
Renaissance Orlando at SeaWorld mortgage payable
Notes Payable Transactions
Repayment of mortgage debt		$ 72,600
Embassy Suites Chicago mortgage payable
Notes Payable Transactions
Repayment of mortgage debt	$ 66,100
Senior corporate credit facility
Notes Payable Transactions
Interest rate, description of reference rate								LIBOR
Senior Unsecured Credit Facility
Maximum borrowing capacity of credit facility								$ 400,000			$ 150,000
Term of new credit facility								4 years
Extended maturity period								1 year
Maximum borrowing capacity of credit facility with lender approval								$ 800,000
Outstanding indebtedness under credit facility	$ 0								$ 0
Notes maturing in May 2015
Notes Payable Transactions
Repayment of mortgage debt							$ 99,100
$85.0 million term loan
Notes Payable Transactions
Proceeds received from unsecured term loan						$ 85,000
Interest rate, description of reference rate						LIBOR			LIBOR	LIBOR
Term loan total interest rate, including effect of swap agreement	3.391%				3.391%	3.391%			3.391%	3.391%
Renaissance Harborplace mortgage payable
Notes Payable Transactions
Repayment of mortgage debt						$ 85,900
Hilton North Houston mortgage payable
Notes Payable Transactions
Repayment of mortgage debt					$ 30,700
Doubletree Guest Suites Times Square mortgage payable
Notes Payable Transactions
Repayment of mortgage debt					$ 175,000
Minimum \| $100.0 million term loan
Notes Payable Transactions
Interest rate added to base rate (as a percent)				1.80%					1.80%
Minimum \| Senior corporate credit facility
Notes Payable Transactions
Interest rate added to base rate (as a percent)								1.55%
Senior Unsecured Credit Facility
Decline in pricing from the old credit facility								(0.30%)
Minimum \| $85.0 million term loan
Notes Payable Transactions
Interest rate added to base rate (as a percent)						1.80%			1.80%	1.80%
Maximum \| $100.0 million term loan
Notes Payable Transactions
Interest rate added to base rate (as a percent)				2.55%					2.55%
Maximum \| Senior corporate credit facility
Notes Payable Transactions
Interest rate added to base rate (as a percent)								2.30%
Senior Unsecured Credit Facility
Decline in pricing from the old credit facility								(0.60%)
Maximum \| $85.0 million term loan
Notes Payable Transactions
Interest rate added to base rate (as a percent)						2.55%			2.55%	2.55%
Not designated as hedging instrument \| Interest Rate Swap \| $100.0 million term loan
Notes Payable Transactions
Interest rate, description of reference rate									1-Month LIBOR
Fixed rate under interest rate swap agreement	1.853%			1.853%	1.853%				1.853%	1.853%
Term loan total interest rate, including effect of swap agreement	3.653%								3.653%
Not designated as hedging instrument \| Interest Rate Swap \| $85.0 million term loan
Notes Payable Transactions
Interest rate, description of reference rate									1-Month LIBOR
Fixed rate under interest rate swap agreement	1.591%				1.591%	1.591%			1.591%	1.591%
Term loan total interest rate, including effect of swap agreement	3.391%								3.391%