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Ground Lease Remaining Term

No definition available.

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Represents the annual rent the lessee is obligated to pay on a ground lease.

No definition available.

Name:	svc_GroundLeasesAnnualRent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Represents the increase or decrease in the annual minimum returns and rents the lessee or manager is obligated to pay under the operating agreement.

No definition available.

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Represents the number of leased properties, which require specified range of minimum annual ground rent.

No definition available.

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Data Type:	xbrli:integerItemType
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Represents the number of hotels which are subject to a lease.

No definition available.

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Number of Ground Leases, Future Rents Prepaid

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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Data Type:	num:areaItemType
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Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Number of separate real estate development properties located on land subject to ground leases.

No definition available.

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

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
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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

Amount of operating lease expense. Excludes sublease income.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

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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.

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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:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=svc_HotelsAndTravelCentersMember
Namespace Prefix:
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Balance Type:
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Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_HotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	svc_ManagementAgreementContractNameAxis=svc_WyndhamAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	svc_ManagementAgreementContractNameAxis=svc_MarriottContractsMember
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Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MinimumMember
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Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MaximumMember
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Data Type:	na
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