Represents the guaranty threshold amount as percentage of minimum returns due to us.

No definition available.

Name:	hpt_GuarantyPaymentsThresholdPercentageOfMinimumReturns
Namespace Prefix:	hpt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of additional returns realized by the entity.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The number of real estate properties under operating agreements.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of years for which the entity has the option to renew the agreement.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Represents the number of management agreements or leases under which properties of the entity are operated.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of properties leased to taxable REIT subsidiaries.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of properties leased to third parties.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of renewal options for an operating agreement.

+ References

No definition available.

+ Details

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

- Definition

Represents the minimum returns and rents payable to the entity.

+ References

No definition available.

+ Details

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

- Definition

Represents the percentage increase in minimum returns after funding for capital improvements of hotels.

+ References

No definition available.

+ Details

Name:	hpt_PercentageIncreaseInMinimumReturnsAfterFundingForCapitalImprovements
Namespace Prefix:	hpt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Represents the amount by which the available security deposit was increased during the period.

+ References

No definition available.

+ Details

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

- Definition

Replenishment of security deposits from hotel cash flows in excess of minimum returns (non-cash application of security deposit liabilities against outstanding minimum rent and return charges).

+ References

No definition available.

+ Details

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

- Definition

Term of the lessor's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LessorLeasingArrangementsOperatingLeasesRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

- Definition

The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

+ 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 (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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

- Definition

This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_SecurityDepositLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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

- Details

Name:	hpt_ManagementAgreementContractNameAxis=hpt_MarriottAgreement1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hpt_ManagementAgreementContractNameAxis=hpt_MarriottAgreement234Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hpt_OperatingLeasesOfLessorContractNameAxis=hpt_MarriottNo5ContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hpt_TravelCentersMember
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_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Management Agreements and Leases (Details) $ in Thousands	12 Months Ended
Management Agreements and Leases (Details) $ in Thousands	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) hotel travelcenter lease_agreement agreement property	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Management Agreements and Leases
Number of real estate properties \| property		504
Number of management agreements or leases \| property		14
Capital improvements from leased facilities, funded		$ 187,652	$ 180,703	$ 224,621
Security deposit balance		$ 89,338	53,579
Hotels
Management Agreements and Leases
Number of real estate properties \| hotel		306
Number of management agreements or leases \| lease_agreement		9
Number of properties leased to TRSs \| hotel		303
Number of properties leased to third parties \| hotel		3
Hotels \| Marriott No. 1 agreement
Management Agreements and Leases
Number of real estate properties \| hotel		53
Operating agreement annual rent and return		$ 68,636
Realized returns and rents		68,514	68,154	67,719
Additional returns realized		10,202	3,177
Capital improvements from leased facilities, funded		$ 2,799
Percentage increase in minimum returns after funding for capital improvements		10.00%
Hotels \| Marriott No. 234 agreement
Management Agreements and Leases
Realized returns and rents		$ 106,275	106,146	102,823
Capital improvements from leased facilities, funded		$ 950
Percentage increase in minimum returns after funding for capital improvements		9.00%
Security deposits replenished and increased		$ 64,700
Available security deposit replenishment		10,228
Security deposit balance		$ 16,480
Guaranty payments threshold percentage of minimum returns		90.00%
Guarantee provided to the entity, remaining amount		$ 30,672
Hotels \| Marriott No. 5 contract
Management Agreements and Leases
Number of real estate properties \| property		1
Realized returns and rents		$ 10,116	$ 10,116	$ 10,004
Number of renewal options available \| agreement		4
Operating leases, renewal term		15 years
Travel centers
Management Agreements and Leases
Number of real estate properties \| travelcenter		198
Number of management agreements or leases \| agreement		5
Forecast \| Hotels \| Marriott No. 1 agreement
Management Agreements and Leases
Capital improvements from leased facilities, funded	$ 4,000
Forecast \| Hotels \| Marriott No. 234 agreement
Management Agreements and Leases
Capital improvements from leased facilities, funded	$ 6,500
Minimum \| Hotels
Management Agreements and Leases
Number of real estate properties leased or managed \| hotel		1
Renewal period		20 years
Minimum \| Hotels \| Marriott No. 234 agreement
Management Agreements and Leases
Operating agreement annual rent and return		$ 106,360
Maximum \| Hotels
Management Agreements and Leases
Renewal period		60 years
Credit concentration
Management Agreements and Leases
Number of real estate properties \| property		504
Credit concentration \| Hotels
Management Agreements and Leases
Number of real estate properties \| property		306
Credit concentration \| Hotels \| Marriott No. 234 agreement
Management Agreements and Leases
Number of real estate properties \| hotel		68
Credit concentration \| Hotels \| Marriott No. 5 contract
Management Agreements and Leases
Number of real estate properties \| property		1
Credit concentration \| Travel centers
Management Agreements and Leases
Number of real estate properties \| property		198