Related Person Transactions - Up-C Transaction (Details) - RMR Inc - Class A common shares - $ / shares		1 Months Ended	3 Months Ended
Apr. 13, 2016	Dec. 31, 2015	Mar. 31, 2016
Related Party Transaction [Line Items]
Shares holding			2,503,777
Cash dividend received (per share)			$ 0.00
Dividend declared per share	$ 0.2993
Quarterly dividends declared			$ 0.25
Pro rata dividend		$ 0.0493

Aggregate dividends received during the period for each share of common stock held.

No definition available.

Name:	hpt_CommonStockDividendsPerShareCashReceived
Namespace Prefix:	hpt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Pro rata dividends declared during the period for each share of common stock outstanding.

+ References

No definition available.

+ Details

Name:	hpt_CommonStockProRataDividend
Namespace Prefix:	hpt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Quarterly dividends declared during the period for each share of common stock outstanding.

+ References

No definition available.

+ Details

Name:	hpt_CommonStockQuarterlyDividendDeclaredPerShare
Namespace Prefix:	hpt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
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

- Definition

Cumulative number of shares issued or sold by the subsidiary or equity method investee on all stock transactions.

+ References

No definition available.

+ Details

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

- Details

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

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: