Debt Instrument, Renewal Term

No definition available.

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- Definition

Fixed charge coverage ratio required to be maintained according to covenants under credit agreement.

+ References

No definition available.

+ Details

Name:	ht_LineOfCreditFacilityCovenantFixedChargeCoverageRatio
Namespace Prefix:	ht_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum annual distributions as percentage of adjusted funds from operations permitted under covenants under credit agreement.

+ References

No definition available.

+ Details

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

- Definition

Maximum leverage ratio required to be maintained according to covenants under credit agreement.

+ References

No definition available.

+ Details

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

- Definition

Maximum secured debt leverage ratio required to be maintained according to covenants under credit agreement.

+ References

No definition available.

+ Details

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

- Definition

Minimum tangible net worth required to be maintained according to covenants under credit agreement.

+ References

No definition available.

+ Details

Name:	ht_LineOfCreditFacilityCovenantMinimumTangibleNetWorth
Namespace Prefix:	ht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility Covenant Percentage Of Net Cash Proceeds Of Issuances And Sales Of Equity Interests

+ References

No definition available.

+ Details

Name:	ht_LineOfCreditFacilityCovenantPercentageOfNetCashProceedsOfIssuancesAndSalesOfEquityInterests
Namespace Prefix:	ht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Increase (Decrease) In Borrowing Capacity

+ References

No definition available.

+ Details

Name:	ht_LineOfCreditFacilityIncreaseDecreaseInBorrowingCapacity
Namespace Prefix:	ht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number Of Unsecured Credit Agreements

+ References

No definition available.

+ Details

Name:	ht_NumberOfUnsecuredCreditAgreements
Namespace Prefix:	ht_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	instant

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Period Type:	duration

- Details

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- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LoansPayableMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ht_SeniorCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ht_TermLoanMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ht_SeniorRevolvingLineOfCreditMember
Namespace Prefix:
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DEBT (Credit Facilities Narrative) (Details)		1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
DEBT (Credit Facilities Narrative) (Details)	Apr. 02, 2020 USD ($)	Apr. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) agreement	Sep. 30, 2019	Sep. 30, 2020 USD ($) agreement	Sep. 30, 2020 USD ($) agreement	Sep. 30, 2019 USD ($)
Short-term Debt
Proceed from line of credit						$ 67,000,000	$ 36,000,000
Line of credit facility covenant minimum tangible net worth	$ 1,119,500,000
Line of credit facility covenant percentage of net cash proceeds of issuance and sales of equity interests (percentage)	75.00%
Line of credit facility covenant maximum annual distributions ( (percentage)	95.00%
Line of credit facility covenant maximum leverage ratio (percentage)	60.00%
Line of credit facility covenant maximum secured debt leverage ratio (percentage)	45.00%
Minimum
Short-term Debt
Line of credit facility covenant fixed charge coverage ratio	1.50
Term Loan:
Short-term Debt
Number of unsecured credit agreements (agreements) \| agreement			3		3	3
Debt instrument, face amount			$ 950,900,000		$ 950,900,000	$ 950,900,000
Term Loan: \| Credit Facility
Short-term Debt
Revolving line of credit, current borrowing capacity			457,000,000		457,000,000	457,000,000
Line of credit, maximum borrowing capacity			857,000,000		857,000,000	857,000,000
Revolving line of credit, increase (decrease) In borrowing capacity	$ 100,000,000
Proceed from line of credit		$ 25,000,000
Term Loan: \| $250 Million Term Loan (First Term Loan)
Short-term Debt
Debt instrument, face amount			207,000,000		207,000,000	$ 207,000,000
Line of credit, expiration date						Aug. 10, 2022
Renewal term (years)						1 year
Term Loan: \| $300 Million Senior Term Loan Agreement (Second Term Loan)
Short-term Debt
Debt instrument, face amount			300,000,000		300,000,000	$ 300,000,000
Maturity date						Sep. 10, 2024
Term Loan: \| $200 Million Senior Term Loan Agreement (Third Term Loan)
Short-term Debt
Debt instrument, face amount			$ 193,900,000		193,900,000	$ 193,900,000
Maturity date						Aug. 02, 2021
Revolving Line Of Credit
Short-term Debt
Revolving line of credit, increase (decrease) In borrowing capacity	$ 100,000,000
Proceed from line of credit		$ 25,000,000			45,000,000
Description of variable rate basis						one month U.S. LIBOR
Line of credit, weighted average interest rate (percentage)			4.03%	4.02%		4.15%	4.11%
Revolving Line Of Credit \| $250 Million Senior Revolving Line Of Credit (Line of Credit)
Short-term Debt
Revolving line of credit, current borrowing capacity			$ 250,000,000		$ 250,000,000	$ 250,000,000