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

No definition available.

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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

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Namespace Prefix:	sho_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the number of hotels that are provided as collateral against the notes issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	sho_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the period within which the company has the option to borrow money under its term loan supplement agreement.

+ References

No definition available.

+ Details

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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

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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

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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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

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

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- 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 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: 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

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

- References

No definition available.

+ Details

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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

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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

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

- References

No definition available.

+ Details

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

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

+ Details

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

- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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=56944662&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

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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
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-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

- Details

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- Details

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Notes Payable (Details 2) $ in Thousands	1 Months Ended					12 Months Ended
Notes Payable (Details 2) $ in Thousands	Jan. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Oct. 31, 2015 USD ($)	May. 31, 2015 USD ($) property	Apr. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) property	Dec. 31, 2013 USD ($)	Mar. 31, 2015 USD ($)
Notes Payable Activity
Notes payable		$ 1,101,480				$ 1,101,480	$ 1,429,292
Payments of Debt Extinguishment Costs						1,245	$ 4,051	$ 3,108
Write-off of deferred financing fees						$ 455
Notes maturing in May 2015
Notes Payable Activity
Repayment of mortgage debt				$ 99,100
Number of hotels provided as collateral \| property				4
Unsecured term loan #1
Senior Unsecured Credit Facility
Interest rate, description of reference rate			LIBOR
Notes Payable Activity
Proceeds received from unsecured term loan			$ 85,000
Interest rate, description of reference rate			LIBOR
Interest rate on debt		3.391%	3.391%			3.391%
Notes payable		$ 85,000	$ 85,000			$ 85,000
Renaissance Harborplace mortgage payable
Notes Payable Activity
Repayment of mortgage debt			$ 85,900
Hilton North Houston mortgage payable
Notes Payable Activity
Repayment of mortgage debt		30,700
Unsecured term loan #2
Senior Unsecured Credit Facility
Interest rate, description of reference rate	LIBOR
Notes Payable Activity
Proceeds received from unsecured term loan	$ 100,000
Interest rate, description of reference rate	LIBOR
Interest rate on debt	3.653%
Amount available under the term loan agreement		$ 100,000				100,000
Term loan supplement agreement option period		6 months
Notes payable	$ 100,000
Boston Park Plaza mortgage payable
Notes Payable Activity
Notes payable		$ 114,200				114,200
Doubletree Guest Suites Times Square mortgage payable
Senior Unsecured Credit Facility
Interest rate, description of reference rate							1-month LIBOR
Interest rate added to base rate (as a percent)							3.25%
Notes Payable Activity
Repayment of mortgage debt		175,000
Number of hotels provided as collateral \| property							1
Interest rate, description of reference rate							1-month LIBOR
Interest rate added to base rate (as a percent)							3.25%
Notes payable							$ 177,216
Payments of Debt Extinguishment Costs		1,200
Write-off of deferred financing fees		1,700
Senior corporate credit facility
Senior Unsecured Credit Facility
Maximum borrowing capacity of credit facility					$ 400,000				$ 150,000
Interest rate, description of reference rate					LIBOR
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 Payable Activity
Interest rate, description of reference rate					LIBOR
Minimum \| Unsecured term loan #1
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)			1.80%			1.80%
Notes Payable Activity
Interest rate added to base rate (as a percent)			1.80%			1.80%
Minimum \| Unsecured term loan #2
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)	1.80%
Notes Payable Activity
Interest rate added to base rate (as a percent)	1.80%
Minimum \| Senior corporate credit facility
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)					1.55%
Decline in pricing from the old credit facility					0.30%
Notes Payable Activity
Interest rate added to base rate (as a percent)					1.55%
Maximum \| Unsecured term loan #1
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)			2.55%			2.55%
Notes Payable Activity
Interest rate added to base rate (as a percent)			2.55%			2.55%
Maximum \| Unsecured term loan #2
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)	2.55%
Notes Payable Activity
Interest rate added to base rate (as a percent)	2.55%
Maximum \| Senior corporate credit facility
Senior Unsecured Credit Facility
Interest rate added to base rate (as a percent)					2.30%
Decline in pricing from the old credit facility					0.60%
Notes Payable Activity
Interest rate added to base rate (as a percent)					2.30%
Interest Rate Swap Agreement \| Unsecured term loan #2
Notes Payable Activity
Fixed rate under interest rate swap agreement		1.853%				1.853%
Not designated as hedging instrument \| Interest Rate Cap Agreement \| Doubletree Guest Suites Times Square mortgage payable
Senior Unsecured Credit Facility
Interest rate, description of reference rate							1-Month LIBOR
Notes Payable Activity
Interest rate, description of reference rate							1-Month LIBOR
Not designated as hedging instrument \| Interest Rate Swap Agreement \| Unsecured term loan #1
Senior Unsecured Credit Facility
Interest rate, description of reference rate						1-Month LIBOR
Notes Payable Activity
Interest rate, description of reference rate						1-Month LIBOR
Fixed rate under interest rate swap agreement		1.591%	1.591%			1.591%
Interest rate on debt		3.391%				3.391%
Not designated as hedging instrument \| Interest Rate Swap Agreement \| Unsecured term loan #2
Senior Unsecured Credit Facility
Interest rate, description of reference rate						1-Month LIBOR
Notes Payable Activity
Interest rate, description of reference rate						1-Month LIBOR
Fixed rate under interest rate swap agreement	1.853%	1.853%				1.853%
Interest rate on debt		3.653%				3.653%