Represents the service agreements entered into by the entity for availing services from other entities.

No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

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

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=svc_TrusteesChiefExecutiveOfficerChiefFinancialOfficerMember
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Data Type:	na
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_HotelMember
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- Details

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- Details

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Data Type:	na
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- Details

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Related Person Transactions (Details)	1 Months Ended
Related Person Transactions (Details)	Apr. 30, 2026 $ / shares shares	Mar. 31, 2026 property agreement	Dec. 31, 2025
Subsequent Event
Related Party Transaction [Line Items]
Price per share (in dollar per share) \| $ / shares	$ 1.20
Related Party \| Subsequent Event
Related Party Transaction [Line Items]
Issued and sold (in shares) \| shares	41,666,666
Price per share (in dollar per share) \| $ / shares	$ 1.20
Trustees, Chief Executive Officer, Chief Financial Officer \| Subsequent Event
Related Party Transaction [Line Items]
Issued and sold (in shares) \| shares	248,333
Hotel
Related Party Transaction [Line Items]
Number of properties \| property		93
Sonesta International Hotels Corporation
Related Party Transaction [Line Items]
Noncontrolling interest, ownership (as percent)		34.00%	34.00%
RMR LLC \| Related Party \| Subsequent Event
Related Party Transaction [Line Items]
Sale of stock, percentage of ownership after transaction (as percentage)	6.40%
RMR LLC \| Amended And Restate Business Management Agreement
Related Party Transaction [Line Items]
Number of service agreements \| agreement		2
Sonesta International Hotels Corporation \| Hotel \| Related Party
Related Party Transaction [Line Items]
Number of properties \| property		68
ABP Trust \| Related Party \| Subsequent Event
Related Party Transaction [Line Items]
Sale of stock, percentage of ownership after transaction (as percentage)	6.70%