INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income Or Loss From Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Ventures	$ 48	$ 478	$ 357	$ (936)	$ (434)	$ (611)	$ (589)	$ (658)	$ (53)	$ (2,292)	$ (2,938)
Cindat Hersha Owner JV, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Ventures									0	(229)	0
Hiren Boston, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Ventures									659	(1,104)	(1,741)
SB Partners, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Ventures									(310)	(185)	(600)
SB Partners Three, LLC
Investments in Unconsolidated Joint Ventures
Loss from Unconsolidated Joint Ventures									$ (402)	$ (774)	$ (597)