Organization And Summary Of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) property hotel shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)	Apr. 02, 2018	Jan. 01, 2018 USD ($)	Apr. 30, 2017 bank shares	Apr. 29, 2017 shares	Dec. 31, 2016 USD ($) hotel
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
General partnership interest (in hundredths)	1.00%
Number of hotel properties (in hotels) | property	38
Number of hotels in each reporting segments | hotel	1
Related party dues, settlement, period	1 year
Weighted average ownership percentage in the Partnership (in hundredths)	90.00%	91.30%	92.50%
Noncontrolling Interests	$ 64,144,000	$ 62,010,000
Net income (loss) attributable to nonredeemable noncontrolling interest	(300,000)	(3,417,000)	$ 0
Increase to noncontrolling joint venture interest	(488,000)	(2,708,000)	0
Stockholders' equity	$ 871,801,000	$ 954,815,000	888,154,000						$ 879,739,000
Preferred shares outstanding (in shares) | shares	14,703,214	14,703,214
Aggregate amount authorized to be repurchased		$ 50,000,000	100,000,000
Repurchase of common shares (in shares) | shares	933,436	635,590
Repurchase of common shares	$ 14,194,000	$ 10,834,000
Common shares - authorized (in shares) | shares								90,000,000
Uncertain tax positions	0	0	0
Distributions in Excess of Net Income	338,695,000	267,740,000
Right of Use Assets	45,384,000
Lease Liabilities	54,548,000
Decrease in intangible assets	(2,137,000)	(13,644,000)
Decrease in accounts payable and accrued expenses	$ (47,626,000)	(70,947,000)
Weighted average remaining lease term in years	64 years 2 months 12 days			64 years 2 months 12 days
Joint Venture [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of hotel properties (in hotels) | property	9
Consolidated Joint Venture [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of hotel properties (in hotels) | property	1
Accounting Standards Update 2014-09 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of real estate properties | hotel									7
Deferred gain on disposition of hotel assets									$ 81,000,000
Accounting Standards Update 2017-05 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Noncontrolling Interests		54,286,000				$ 60,079,000
Deferred gain on disposition of hotel assets		81,284,000				0
Distributions in Excess of Net Income		(335,373,000)				(212,145,000)
Accounting Standards Update 2016-02 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Right of Use Assets				$ 55,515,000
Lease Liabilities				55,515,000
Decrease in accounts payable and accrued expenses				19,627,000
Equity Distribution Agreements [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investment banks | bank							4
Noncontrolling Interests Common Units And LTIP Units [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Nonredeemable common units outstanding (in shares) | shares	4,279,946
Fair market value of nonredeemable common units	$ 62,273,000
Stockholders' equity	64,144,000	62,010,000	54,286,000						44,321,000
Joint Venture Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Increase to noncontrolling joint venture interest	488,000	2,708,000
Stockholders' equity	3,196,000	2,708,000	0
Additional Paid-In Capital [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Increase to noncontrolling joint venture interest	(488,000)	(2,708,000)
Stockholders' equity	$ 1,144,808,000	$ 1,155,776,000	$ 1,164,946,000						$ 1,198,311,000
Class A Common Shares
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common shares - authorized (in shares) | shares	104,000,000	104,000,000					104,000,000
Class A Common Shares | Equity Distribution Agreements [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common shares - authorized (in shares) | shares							8,000,000
Series C Preferred Shares
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred stock, dividend rate, percentage (in hundredths)	6.875%
Preferred shares outstanding (in shares) | shares	3,000,000	3,000,000
Series D Preferred Shares
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred stock, dividend rate, percentage (in hundredths)	6.50%
Preferred shares outstanding (in shares) | shares	7,701,700	7,701,700
Series D Preferred Shares | Equity Distribution Agreements [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred shares - authorized (in shares) | shares							1,000,000
Series E Preferred Shares
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred stock, dividend rate, percentage (in hundredths)	6.50%
Preferred shares outstanding (in shares) | shares	4,001,514	4,001,514
Shares issued in conjunction with Equity Distribution Agreement program (in shares) | shares	0	1,514
Series E Preferred Shares | Equity Distribution Agreements [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred shares - authorized (in shares) | shares							1,000,000
Hersha Holding RC Owner, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Cumulative return on common equity interest	70.00%
Joint Venture Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Noncontrolling owners ownership percentage					15.00%
Cumulative return on common equity interest	30.00%
Hersha Hospitality Limited Partnership [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Various subsidiary limited partnership interest (in hundredths)	99.00%
Cindat Hersha Owner JV, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Maximum exposure to losses due to investment in joint venture	$ 0
Senior Common Equity Interest [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common equity interest, return	12.00%
Senior Common Equity Interest [Member] | Hersha Holding RC Owner, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common equity interest, return	8.00%
Cumulative return on common equity interest	75.00%
Senior Common Equity Interest [Member] | Joint Venture Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Cumulative return on common equity interest	25.00%
Scenario, Plan [Member] | Junior Common Equity Interest [Member] | Joint Venture Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common equity interest, return	8.00%
Pro Forma [Member] | Accounting Standards Update 2017-05 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Deferred gain on disposition of hotel assets	$ 129,021,000
Difference Between Guidance In Effect Before And After Topic 610 [Member] | Accounting Standards Update 2017-05 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Noncontrolling Interests						5,793,000
Deferred gain on disposition of hotel assets						(81,284,000)
Distributions in Excess of Net Income						$ 123,228,000
Market Rate Lease [Member] | Accounting Standards Update 2016-02 [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Decrease in intangible assets				$ 11,050,000