Investment In Unconsolidated Joint Ventures (Summary Financial Information Related To Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Assets
Investment in Hotel Properties, Net	$ 566,800		$ 566,800		$ 569,609
Other Assets	39,787		39,787		30,088
Total Assets	606,587		606,587		599,697
Liabilities and Equity
Mortgages and Notes Payable	422,860		422,860		422,205
Other Liabilities	18,740		18,740		7,478
Equity:
Hersha Hospitality Trust	9,068		9,068		15,554
Joint Venture Partner(s)	156,909		156,909		155,053
Accumulated Other Comprehensive Loss	(990)		(990)		(593)
Total Equity	164,987		164,987		170,014
Total Liabilities and Equity	606,587		606,587		$ 599,697
Statement of Operations [Abstract]
Room Revenue	26,995	$ 26,682	43,346	$ 43,414
Other Revenue	622	505	1,243	964
Operating Expenses	(11,890)	(11,572)	(21,921)	(21,728)
Lease Expense	(164)	(164)	(365)	(329)
Property Taxes and Insurance	(3,051)	(2,906)	(6,103)	(5,816)
General and Administrative	(1,505)	(1,477)	(2,711)	(2,601)
Depreciation and Amortization	(3,694)	(3,190)	(7,354)	(6,368)
Interest Expense	(7,196)	(6,326)	(14,343)	(12,064)
Loss on Debt Extinguishment	0	0	0	(7,284)
Net Income (Loss)	$ 117	$ 1,552	$ (8,208)	$ (11,812)