INCOME TAXES (Effective Income Tax Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory federal income tax provision									$ (9,241)	$ (37,365)	$ (1,208)
Adjustment for nontaxable income for Hersha Hospitality Trust									13,065	29,636	1,419
State income taxes, net of federal income tax effect									(1,367)	(2,720)	456
Non-deductible expenses, tax credits, and other, net									361	(1,317)	(575)
Changes in valuation allowance									(1,980)	23,095	0
Total income tax expense	$ 999	$ 277	$ 151	$ (589)	$ (17)	$ (28)	$ 15,872	$ (4,498)	$ 838	$ 11,329	$ 92