Name:	svc_IncreaseDecreaseOperatingAgreementsAnnualMinimumReturnsAndRents
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Represents the number of properties acquired or agreed to be acquired by the entity.

No definition available.

Name:	svc_NumberOfPropertiesAcquired
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Data Type:	xbrli:integerItemType
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Period Type:	duration

Number Of Real Estate Transactions

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of States In Which Property Is Located

No definition available.

Name:	svc_NumberOfStatesInWhichPropertyIsLocated
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of Units In Real Estate Property To Be Sold Or Rebranded

No definition available.

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Data Type:	xbrli:integerItemType
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Number of Real Estate Properties To Be Sold Or Rebranded

No definition available.

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Data Type:	xbrli:integerItemType
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Represents the minimum returns and rents payable to the entity.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Real Estate Investment Property And Real Estate Held-For-Sale, At Cost

No definition available.

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Area of a real estate property.

No definition available.

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Data Type:	num:areaItemType
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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 360
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-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

Name:	us-gaap_GainLossOnSaleOfProperties
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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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

No definition available.

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Data Type:	xbrli:integerItemType
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The number of units in a real estate property owned as of the balance sheet date.

No definition available.

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Data Type:	xbrli:integerItemType
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Period Type:	instant

The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

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Data Type:	xbrli:monetaryItemType
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The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Name:	us-gaap_RealEstateInvestmentPropertyAtCost
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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.

No definition available.

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

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis=us-gaap_HurricaneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=svc_HotelsAndNetLeasePropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_HotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=svc_NetLeasePropertyMember
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Data Type:	na
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