Basis Of Presentation (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017 USD ($) entity shares	Jun. 30, 2017 USD ($) $ / shares entity shares	Jun. 30, 2016 USD ($) $ / shares	Dec. 31, 2016 USD ($) shares	Oct. 31, 2016 USD ($)
Shareholders' Equity [Abstract]
Common Shares, Dividends declared (in dollars per share) | $ / shares		$ 0.56	$ 0.56
Stock Repurchase Program, Authorized Amount					$ 100,000
Repurchase of Common Shares			$ 39,127
Proceeds from Issuance of Preferred Shares, Net			$ 186,010
Acquisition costs	$ 1,124	$ 1,824
Accounting Standards Update 2017-01 [Member]
Shareholders' Equity [Abstract]
Acquisition costs		$ 1,824
Share Distribution [Member]
Shareholders' Equity [Abstract]
Number of investment banks | entity	4	4
Hersha Hospitality Limited Partnership [Member]
Class of Stock [Line Items]
Approximate ownership percentage in the Partnership (in hundredths)	93.30%	93.30%
General partnership interest (in hundredths)		1.00%
Cindat Hersha Owner JV, LLC [Member]
Shareholders' Equity [Abstract]
Maximum exposure to losses due to investment in Joint Ventures	$ 0	$ 0
Noncontrolling Interests Common Units And LTIP Units [Member]
Noncontrolling Interest [Abstract]
Noncontrolling interests in Nonredeemable Common Units	$ 51,815	$ 51,815		$ 44,321
Nonredeemable common units outstanding (in shares) | shares	3,010,348	3,010,348
Fair market value of nonredeemable common units	$ 55,722	$ 55,722
Series E Preferred Stock [Member]
Shareholders' Equity [Abstract]
Distribution Rate		6.50%
Series E Preferred Stock [Member] | Share Distribution [Member]
Shareholders' Equity [Abstract]
Preferred Shares - Authorized (in shares) | shares	1,000,000	1,000,000
Series C Preferred Shares [Member]
Shareholders' Equity [Abstract]
Distribution Rate		6.875%
Series D Preferred Shares [Member]
Shareholders' Equity [Abstract]
Distribution Rate		6.50%
Series D Preferred Shares [Member] | Share Distribution [Member]
Shareholders' Equity [Abstract]
Preferred Shares - Authorized (in shares) | shares	1,000,000	1,000,000
Class A Common Shares [Member]
Shareholders' Equity [Abstract]
Common Shares - Outstanding (in shares) | shares	41,827,466	41,827,466		41,770,514
Common Shares - Authorized (in shares) | shares	104,000,000	104,000,000		90,000,000
Class A Common Shares [Member] | Share Distribution [Member]
Shareholders' Equity [Abstract]
Common Shares - Authorized (in shares) | shares	8,000,000	8,000,000