DEBT (Schedule of Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument
Deferred Financing Costs Amortization	$ 1,088	$ 702	$ 2,380	$ 1,267
Other	105	161	175	337
Total Interest Expense	14,982	13,481	28,411	26,488
Line of Credit
Debt Instrument
Interest expense related to debt instrument	3,754	5,370	8,122	12,404
Interest Rate Swap | Line of Credit
Debt Instrument
Interest expense related to debt instrument	2,417	3,133	4,841	4,219
Mortgages
Debt Instrument
Interest expense related to debt instrument	2,680	3,031	5,415	6,516
Mortgages | Hersha Statutory Trust I and Hersha Statutory Trust II
Debt Instrument
Interest expense related to debt instrument	4,311	532	6,248	1,160
Mortgages | Interest Rate Swap
Debt Instrument
Interest expense related to debt instrument	$ 627	$ 552	$ 1,230	$ 585