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BASIS OF PRESENTATION (Narrative) (Details)		3 Months Ended			9 Months Ended
BASIS OF PRESENTATION (Narrative) (Details)	Aug. 04, 2022 USD ($)	Oct. 26, 2022 USD ($) property	Sep. 30, 2022 USD ($) property shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) property shares	Sep. 30, 2021 USD ($)	Aug. 03, 2022 property	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			$ (1,156,213,000)		$ (1,156,213,000)			$ (1,155,034,000)
Noncontrolling interest			4,659,000		4,659,000			$ 2,310,000
Proceeds from disposition of hotel properties					382,699,000	$ 163,583,000
Proceeds from unsecured debt					400,000,000	0
Asset impairment charge			10,024,000	$ 0	10,024,000	$ 222,000
Interest Rate Swap \| Cash Flow Hedging
Class of Stock
Notional Amount			300,000,000		$ 300,000,000
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
Redemption percentage	104.00%
Repayments of notes payable	$ 164,418,000
Debt instrument, face amount			158,094,000		$ 158,094,000				$ 150,000,000
Loans Payable \| $250 Million Term Loan (First Term Loan)
Class of Stock
Debt instrument, face amount	400,000,000		$ 400,000,000		$ 400,000,000
Proceeds from unsecured debt	400,000,000
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
Assets Held-for-sale
Class of Stock
Number of real estate properties (property) \| property			4		4			0
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 \| Assets Held-for-sale
Class of Stock
Number of real estate properties (property) \| property							7
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 \| Discontinued Operations, Held-for-sale or Disposed of by Sale \| Subsequent Event
Class of Stock
Number of real estate properties (property) \| property		7
Proceeds from disposition of hotel properties		$ 505,000,000
Adjustment
Class of Stock
Adjustments to additional paid in capital			$ (2,349,000)		$ (2,349,000)
Noncontrolling interest			$ 2,349,000		$ 2,349,000
Senior Common Equity Interest
Class of Stock
Noncontrolling interest, common equity interest, return					12.00%
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%
Common Shares \| Noncontrolling Interests Common Units And LTIP Units
Class of Stock
Noncontrolling Interest in Limited Partnerships								$ 51,246,000
Nonredeemable common units outstanding (in shares) \| shares			6,990,053		6,990,053
Fair market value of nonredeemable common units			$ 55,781,000		$ 55,781,000