DEBT (Mortgages) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Mortgages and Notes Payable
Total debt	$ 1,130,030
Debt modification expense	90
Payment in Kind (PIK) Note
Mortgages and Notes Payable
Mortgages and notes payable indebtedness	156,239	$ 0
Net unamortized (premium) discount	(4,382)	0
Net Unamortized Deferred Financing Costs	(4,209)	0
Total debt	147,648	0
Mortgages
Mortgages and Notes Payable
Mortgages and notes payable indebtedness	306,078	332,264
Net unamortized (premium) discount	13	354
Net Unamortized Deferred Financing Costs	(1,477)	(1,770)
Total debt	304,614	330,848
Junior Subordinated Debt | Hersha Statutory Trust I and Hersha Statutory Trust II
Mortgages and Notes Payable
Mortgages and notes payable indebtedness	51,548	51,548
Net Unamortized Deferred Financing Costs	(706)	(759)
Total debt	50,842	50,789
Notes Payable And Payments In Kind
Mortgages and Notes Payable
Total debt	$ 198,490	$ 50,789
Minimum | Mortgages
Mortgages and Notes Payable
Effective interest rate	2.75%
Maximum | Mortgages
Mortgages and Notes Payable
Effective interest rate	5.05%