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

No definition available.

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Number Of States In Which Property Is Located

No definition available.

Name:	svc_NumberOfStatesInWhichPropertyIsLocated
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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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Represents the minimum returns and rents payable to the entity.

No definition available.

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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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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
-SubTopic 10
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 230
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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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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The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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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
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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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
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Data Type:	xbrli:stringItemType
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Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
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Period Type:

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

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

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

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=svc_WyndhamMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=svc_MarriottInternationalInc.Member
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