Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Period Type:	duration

INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income Or Loss From Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Venture Investments	$ (611)	$ (669)	$ (1,858)	$ (2,189)
Cindat Hersha Owner JV, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Venture Investments			(229)	0
Hiren Boston, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Venture Investments	(211)	(457)	(900)	(1,337)
SB Partners, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Venture Investments	(135)	0	(185)	(600)
SB Partners Three, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Venture Investments	$ (36)	$ (212)	$ (544)	$ (252)