Investment In Unconsolidated Joint Ventures (Summary Financial Information Related To Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
Investment in Hotel Properties, Net	$ 579,287	$ 569,609
Other Assets	33,891	30,088
Total Assets	613,178	599,697
Liabilities and Equity
Mortgages and Notes Payable	430,282	422,205
Other Liabilities	19,185	7,478
Equity:
Hersha Hospitality Trust	9,588	15,554
Joint Venture Partners	154,998	155,053
Accumulated Other Comprehensive Loss	(875)	(593)
Total Equity	163,711	170,014
Total Liabilities and Equity	613,178	599,697
Statements of Operations
Room Revenue	94,384	98,123	$ 93,254
Other Revenue	2,408	2,350	1,965
Operating Expenses	(46,175)	(46,319)	(43,245)
Lease Expense	(693)	(658)	(691)
Property Taxes and Insurance	(12,477)	(11,882)	(11,274)
General and Administrative	(5,783)	(5,489)	(5,179)
Depreciation and Amortization	(14,947)	(13,403)	(12,331)
Interest Expense	(28,072)	(26,289)	(20,965)
Loss on Debt Extinguishment	0	(7,270)	0
Net (Loss) Income	$ (11,355)	$ (10,837)	$ 1,534