Share Based Payments (Narrative) (Details) - shares	12 Months Ended
Dec. 31, 2019	Mar. 06, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP unit issuance (in shares)	530,281
LTIP Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense period	21 months 28 days
Restricted Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense period	17 months 19 days
Short Term Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards earned, percent in cash		50.00%
Awards earned, percent in equity awards		50.00%
LTIP unit issuance (in shares)	0
Multi-Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shareholders return as percentage of award for achievement level one (in hundredths)		37.50%
Shareholders return as percentage of award for achievement level two (in hundredths)		37.50%
Shareholders return as percentage of award for achievement level three (in hundredths)		25.00%

Long-term Incentive Plan Units Issued

No definition available.

Name:	ht_LongTermIncentivePlanUnitsIssued
Namespace Prefix:	ht_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Cash

+ References

No definition available.

+ Details

Name:	ht_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardEarnedInCash
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Equity Awards

+ References

No definition available.

+ Details

Name:	ht_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardEarnedInEquityAwards
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents shareholders return as percentage of award for achievement level under share based compensation program.

+ References

No definition available.

+ Details

Name:	ht_ShareholdersReturnAsPercentageOfAwardForAchievementLevelOne
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Shareholders Return As Percentage Of Award For Achievement Level Three

+ References

No definition available.

+ Details

Name:	ht_ShareholdersReturnAsPercentageOfAwardForAchievementLevelThree
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents shareholders return as percentage of award for achievement level two.

+ References

No definition available.

+ Details

Name:	ht_ShareholdersReturnAsPercentageOfAwardForAchievementLevelTwo
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=ht_LongTermIncentivePlanUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=ht_ShortTermIncentiveProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=ht_MultiYearLtipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: