Management Agreements and Leases - Hyatt Agreement (Details) - Hotel $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($) hotel	Mar. 31, 2018 USD ($)
Management Agreements and Leases [Line Items]
Number of properties owned \| hotel	327
Hyatt Hotels Corporation
Management Agreements and Leases [Line Items]
Number of properties owned \| hotel	22
Operating agreement annual rent and return	$ 22,037
Realized returns and rents	5,509	$ 5,509
Guarantee provided to the entity, maximum	50,000
Increase (decrease) in guaranty	(430)
Guarantee provided to the entity, remaining amount	$ 21,485

Represents the amount of realized returns to the entity during the period.

No definition available.

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

Increase (Decrease) in Guarantee

No definition available.

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

No definition available.

Name:	hpt_ManagementAgreementsAndLeasesLineItems
Namespace Prefix:	hpt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the minimum returns and rents payable to the entity.

No definition available.

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

Represents the amount of guarantee of performance, by a third party, under the terms of an operating agreement.

No definition available.

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

Represents the remaining amount of the guarantee of performance by a third party, under the terms of an operating agreement.

No definition available.

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

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

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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

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