Revenue Recognition (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) agreement	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Revenue Recognition [Abstract]
Number of operating leases for which rental income is not recognized on straight line basis over the term of the lease agreements \| agreement	1
Adjustments necessary to record rent on straight line basis	$ 3,079	$ 3,008
Straight line rent receivables	2,787		$ 2,691
TA
Related Party Transaction [Line Items]
Straight line rent receivable, due from related persons	57,203		$ 54,219
Deferred percentage rent	$ 835	$ 604

Represents amount of deferred percentage rent revenue for the reporting period.

No definition available.

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

- Definition

Represents the number of operating leases for which rental income is not recognized on straight line basis over the term of the lease agreements.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of straight line rent receivables as of the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

Straight Line Rent Receivables, Due From Related Parties

+ References

No definition available.

+ Details

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

- 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

- References

No definition available.

+ Details

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

- Definition

Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis.

+ References

No definition available.

+ Details

Name:	us-gaap_StraightLineRentAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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