DEBT (Schedule of Interest Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument
Deferred Financing Costs Amortization	$ 4,628	$ 3,551	$ 2,241
Other	381	574	735
Total Interest Expense	57,549	53,279	52,205
Line of Credit
Debt Instrument
Interest expense	15,587	21,927	33,745
Interest Rate Swap
Debt Instrument
Capitalized interest		0	(74)
Interest Rate Swap | Line of Credit
Debt Instrument
Interest expense	8,866	11,018	(2,630)
Mortgages
Debt Instrument
Interest expense	10,537	12,277	15,804
Mortgages | Hersha Statutory Trust I and Hersha Statutory Trust II
Debt Instrument
Interest expense	15,073	2,037	2,837
Mortgages | Interest Rate Swap
Debt Instrument
Interest expense	2,477	$ 1,895	$ (453)
Capitalized interest	$ 0