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BASIS OF PRESENTATION (Narrative) (Details)		3 Months Ended		6 Months Ended
BASIS OF PRESENTATION (Narrative) (Details)	Aug. 04, 2022 USD ($) property	Jun. 30, 2022 USD ($) property shares	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) property shares	Jun. 30, 2021 USD ($)	Aug. 03, 2022 property	Apr. 27, 2022 property	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) property	Feb. 17, 2021 USD ($)
Class of Stock
Share conversion ratio (shares) \| shares		1		1
Adjustments to additional paid in capital		$ (1,154,367,000)		$ (1,154,367,000)					$ (1,155,034,000)
Noncontrolling interest		5,274,000		5,274,000					$ 2,310,000
Adjustment to record redemption value		691,000	$ 1,968,000		$ 1,968,000
Proceeds from disposition of hotel properties				0	$ 163,583,000
Interest Rate Swap \| Credit Facility September 10, 2019
Class of Stock
Derivative, notional amount		$ 300,000,000		$ 300,000,000
Assets Held-for-sale
Class of Stock
Number of real estate properties (property) \| property		7		7			7		0
Maximum \| Buildings and Improvements
Class of Stock
Useful life of buildings and improvements (in years)				40 years
Maximum \| Furniture, Fixtures and Equipment
Class of Stock
Useful life of buildings and improvements (in years)				7 years
Minimum \| Furniture, Fixtures and Equipment
Class of Stock
Useful life of buildings and improvements (in years)				2 years
Payment in Kind (PIK) Note
Class of Stock
Debt instrument, face amount		$ 158,094,000		$ 158,094,000				$ 158,094,000		$ 150,000,000
Subsequent Event \| Assets Held-for-sale
Class of Stock
Number of real estate properties (property) \| property						7
Subsequent Event \| Courtyard Brookline, MA, The Hampton Inn Washington, DC, Hilton Garden Inn M Street, DC, Hampton Inn - Philadelphia, PA, TownePlace Suites Sunnyvale, CA And The Courtyard Los Angeles Westside, CA
Class of Stock
Number of real estate properties (property) \| property	6
Proceeds from disposition of hotel properties	$ 435,900,000
Subsequent Event \| Payment in Kind (PIK) Note
Class of Stock
Redemption percentage	104.00%
Repayments of notes payable	$ 164,418,000
Subsequent Event \| Loans Payable \| $250 Million Term Loan (First Term Loan)
Class of Stock
Debt instrument, face amount	400,000,000
Subsequent Event \| Revolving Line Of Credit \| $250 Million Senior Revolving Line Of Credit (Line of Credit)
Class of Stock
Line of credit facility, maximum borrowing capacity	$ 100,000,000
Adjustment
Class of Stock
Adjustments to additional paid in capital		2,964,000		2,964,000
Noncontrolling interest		2,964,000		$ 2,964,000
Senior Common Equity Interest
Class of Stock
Noncontrolling interest, common equity interest, return				12.00%
Common Shares \| Noncontrolling Interests Common Units And LTIP Units
Class of Stock
Noncontrolling Interest in Limited Partnerships		$ 54,536,000		$ 54,536,000					$ 50,922,000
Nonredeemable common units outstanding (in shares) \| shares		7,070,680		7,070,680
Fair market value of nonredeemable common units		$ 69,363,000		$ 69,363,000
Hersha Hospitality Limited Partnership
Class of Stock
Various subsidiary limited partnership interest (percent)				85.00%
Hersha Hospitality, LLC
Class of Stock
General partnership interest (percent)				1.00%
Consolidated Joint Ventures
Class of Stock
Noncontrolling interest, ownership percentage		15.00%		15.00%
Cumulative return on common equity interest (percent)		30.00%		30.00%
Consolidated Joint Ventures \| Senior Common Equity Interest
Class of Stock
Cumulative return on common equity interest (percent)		25.00%		25.00%
Consolidated Joint Ventures \| Junior Common Equity Interest
Class of Stock
Noncontrolling interest, common equity interest, return				8.00%
Hersha Holding RC Owner, LLC
Class of Stock
Cumulative return on common equity interest (percent)		70.00%		70.00%
Hersha Holding RC Owner, LLC \| Senior Common Equity Interest
Class of Stock
Noncontrolling interest, common equity interest, return				8.00%
Cumulative return on common equity interest (percent)		75.00%		75.00%