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Management Agreements and Leases - Narrative (Details) | Sep. 30, 2022 tenant property hotel agreement
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Management Agreements and Leases [Line Items] |
Number of operating agreements | agreement | 6
Hotels |
Management Agreements and Leases [Line Items] |
Number of properties owned | hotel | 242
Net Lease |
Management Agreements and Leases [Line Items] |
Number of properties owned | property | 769
Number of tenants | tenant | 178

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- References No definition available. + Details
Name: | svc_ManagementAgreementsAndLeasesLineItems
Namespace Prefix: | svc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of management agreements or leases under which properties of the entity are operated. + References No definition available. + Details
Name: | svc_NumberOfManagementAgreementsOrLeases
Namespace Prefix: | svc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number Of Tenants + References No definition available. + Details
Name: | svc_NumberOfTenants
Namespace Prefix: | svc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_HotelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=svc_NetLeasePropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |