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

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://www.xbrl.org/2003/role/presentationRef
-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=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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=6415400&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

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

+ References

+ Details

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

- 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://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 4: 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_StockIssuedDuringPeriodSharesShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_PlanNameAxis=ht_TwoThousandSixteenAnnualLongTermEquityIncentiveProgram2016AnnualEipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=ht_TwoThousandSixteenMultiYearLongTermEquityIncentiveProgram2016MultiYearEipMember
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_BoardOfTrusteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Share Based Payments (Narrative) (Details) - USD ($)	1 Months Ended		12 Months Ended
Share Based Payments (Narrative) (Details) - USD ($)	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Unit Issuance (in shares)			294,245
Stock based compensation expense			$ 8,048,000	$ 6,523,000	$ 6,028,000
Unearned Compensation	$ 1,568,000		$ 1,568,000	1,548,000
Shares Issued (in shares)			110,849
Shares Vested (in shares)	110,849,000		110,849,000
Annual Long Term Equity Incentive Programs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 4,800,000	4,490,000	4,083,000
Unearned Compensation	$ 1,550,000		$ 1,550,000	2,484,000
2016 Annual Long Term Equity Incentive Program (“2016 Annual EIP”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Unit Issuance (in shares)			0
2016 Multi-Year Long Term Equity Incentive Program (“2016 Multi-Year EIP”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Unit Issuance (in shares)			0
Terms of Share-based payment awards			On March 17, 2016, the Compensation Committee approved the 2016 Multi-Year Long Term Equity Incentive Program ("2016 Multi-Year EIP"). This program has a three-year performance period which commenced on January 1, 2016 and ends December 31, 2018. As of December 31, 2016 , no shares or LTIP Units have been issued to the executive officers in settlement of 2016 Multi-Year EIP awards.
Multi-Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 1,869,000	818,000	598,000
Unearned Compensation	$ 1,568,000		$ 1,568,000	1,548,000
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%
Multi-Year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 61,000	59,000	71,000
Unearned Compensation	$ 167,000		$ 167,000	$ 67,000
Shares Vested (in shares)	5,505		5,505	3,005
Restricted Common Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 541,000	$ 455,000	399,000
Restricted Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 505,000		$ 505,000	$ 491,000
Shares Issued (in shares)			90,562
Shares Vested (in shares)	51,230		51,230	30,863
Annual Retainer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Issued (in shares)			9,684
Shares Vested (in shares)	94,000		94,000
Annual Retainer [Member] \| Multi-Year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 112,000	$ 93,000	220,000
Percentage premium on retainer equity option (in hundredths)	25.00%		25.00%
Board Of Trustees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			$ 535,000	434,000	457,000
Shares Issued (in shares)	10,000	17,795
Share Price on date of grant (in dollars per share)	$ 21.50	$ 17.96
Non-employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense			130,000	174,000	$ 200,000
Unearned Compensation	$ 79,000		$ 79,000	$ 90,000
Shares Issued (in shares)			14,738
Shares Vested (in shares)	10,988,000		10,988,000	3,762,000