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

The company offers to its trustees a premium equity issue offer instead of a cash retainer

+ References

No definition available.

+ Details

Name:	ht_PercentagePremiumOnRetainerEquityOption
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 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

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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

- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the plan.

+ 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
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- 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:

- Details

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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
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_AwardTypeAxis=ht_AnnualRetainerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_AwardDateAxis=ht_Issued12312018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Share Based Payments (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Dec. 31, 2018	Jun. 03, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Mar. 06, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP unit issuance (in shares)					0
Stock based compensation expense			$ 3,474	$ 3,123	$ 5,432	$ 4,729
Unearned Compensation	$ 3,027		5,658		$ 5,658
Shares issued (in shares)					1,185,422
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%
Stock based compensation expense			2,145	1,831	$ 3,545	2,617
Unearned Compensation	3,027		5,658		5,658
Multi-Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			470	337	690	889
Unearned Compensation	2,200		$ 3,591		$ 3,591
Shareholders return as percentage of award for achievement level one (in hundredths)			37.50%		37.50%
Shareholders return as percentage of award for achievement level two (in hundredths)			37.50%		37.50%
Shareholders return as percentage of award for achievement level three (in hundredths)			25.00%		25.00%
Shares issued (in shares)					32,020
Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 35	26	$ 70	53
Unearned Compensation	298		228		228
Restricted Common Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			374	459	630	649
Restricted Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	829		635		$ 635
Shares issued (in shares)					173,078
Board Fee Compensation [Member] \| Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 48	50	$ 95	101
Percentage premium on retainer equity option (in hundredths)			25.00%		25.00%
Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 402	$ 420	$ 402	$ 420
Shares issued (in shares)		23,333
Weighted Average Share Price (in dollars per share)		$ 17.22
Issued 12-31-2018 [Member] \| Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	158		$ 132		$ 132
Shares issued (in shares)					9,000
Weighted Average Share Price (in dollars per share)			$ 17.54		$ 17.54
Issued 12-31-2018 [Member] \| Board Fee Compensation [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 191		$ 95		$ 95
Shares issued (in shares)	10,863				10,863