The number of real estate properties under operating agreements.

No definition available.

Name:	hpt_HotelManagementAgreementsAndLeasesRealEstatePropertiesUnderAgreement
Namespace Prefix:	hpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents management, system, reservation fees and reimbursement of certain guest loyalty, marketing program and third party reservation transmission expenses payable to third party.

+ References

No definition available.

+ Details

Name:	hpt_MarketingAndReservationSystemFees
Namespace Prefix:	hpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the number of suites in a portfolio of extended stay hotels acquired.

+ References

No definition available.

+ Details

Name:	hpt_NumberOfHotelSuites
Namespace Prefix:	hpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	hpt_NumberOfPropertiesAcquired
Namespace Prefix:	hpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the aggregate purchase price excluding acquisition costs of real estate properties acquired or agreed to be acquired by the entity.

+ References

No definition available.

+ Details

Name:	hpt_RealEstateAggregatePurchasePrice
Namespace Prefix:	hpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the procurement and construction supervisory fees resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	hpt_RelatedPartyTransactionProcurementAndConstructionSupervisoryFees
Namespace Prefix:	hpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Terminated Real Estate Agreement, Aggregate Purchase Price

+ References

No definition available.

+ Details

Name:	hpt_TerminatedRealEstateAgreementAggregatePurchasePrice
Namespace Prefix:	hpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Terminated Real Estate Agreement, Number of Rooms in Property

+ References

No definition available.

+ Details

Name:	hpt_TerminatedRealEstateAgreementNumberofRoomsinProperty
Namespace Prefix:	hpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the threshold stipulated measurement period for early termination rights applicable under the management agreement.

+ References

No definition available.

+ Details

Name:	hpt_ThresholdStipulatedMeasurementPeriodForTerminationRights
Namespace Prefix:	hpt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

No definition available.

+ Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hpt_SonestaInternationalHotelsCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hpt_HotelsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hpt_ManagementAgreementContractNameAxis=hpt_SonestaAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hpt_MilpitasCaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
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Related Person Transactions - Sonesta (Details) $ in Thousands			1 Months Ended	3 Months Ended			9 Months Ended
	Feb. 01, 2016 USD ($) hotel room	Jan. 04, 2016	Jul. 31, 2016 USD ($) room	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($) travelcenter	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) travelcenter	Sep. 30, 2015 USD ($)
Related Party Transaction [Line Items]
Aggregate purchase price advanced							$ 208,738
Sonesta Int'l Hotels Corp
Related Party Transaction [Line Items]
Number of real estate properties leased or managed \| travelcenter					33		33
Number of hotel suites \| room	262
Purchase price excluding acquisition cost	$ 12,000
Management agreement fees and expenses					$ 6,712	$ 5,742	$ 19,007	$ 16,143
Procurement and construction supervision fees					$ 344	$ 496	$ 1,268	$ 1,172
Hotels \| Sonesta Int'l Hotels Corp
Related Party Transaction [Line Items]
Number of properties acquired \| hotel	2
Sonesta agreements \| Sonesta Int'l Hotels Corp
Related Party Transaction [Line Items]
Threshold stipulated measurement period for termination rights		18 months
Milpitas, CA \| Sonesta agreements
Related Party Transaction [Line Items]
Terminated real estate agreement, number of rooms in property \| room			236
Terminated real estate agreement, aggregate purchase price			$ 52,000
Forecast \| Subsequent Event \| Milpitas, CA \| Sonesta agreements
Related Party Transaction [Line Items]
Aggregate purchase price advanced				$ 46,000