The number of debt instruments, by type, held by the entity.

No definition available.

Name:	ht_DebtInstrumentsNumberOfInstrumentsHeld
Namespace Prefix:	ht_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of business days prior to quarterly interest payments, on which the variable interest rates are reset.

+ References

No definition available.

+ Details

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Namespace Prefix:	ht_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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+ Details

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

- References

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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Period Type:

DEBT (Unsecured Notes Payable) (Details) - Junior Subordinated Debt $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) loan	Sep. 30, 2020 loan	Sep. 30, 2021 USD ($) loan	Sep. 30, 2020 loan
Hersha Statutory Trust I and Hersha Statutory Trust II
Subordinated Notes Payable
Number of debt instruments \| loan	2	2	2	2
Subordinated notes payable	$ 51,548		$ 51,548
Number of business days prior to quarterly interest payments for resetting rates			2 days
Debt instrument, interest rate during period (in hundredths)	3.15%	3.42%	3.18%	4.11%
Hersha Statutory Trust I
Subordinated Notes Payable
Subordinated notes payable	$ 25,774		$ 25,774
Basis spread on variable rate (percentage)			3.00%
Hersha Statutory Trust II
Subordinated Notes Payable
Subordinated notes payable	$ 25,774		$ 25,774
Basis spread on variable rate (percentage)			3.00%