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Preferred Joint Venture Partner, Ownership Percentage

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Represent's the Company's preferred return based on the joint venture agreement.

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Proceeds From Contribution Of Hotel Property Assets To Unconsolidated Joint Venture

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Proceeds From Redemption Of Joint Venture Interest And Transfer Of Minority Ownership Interests

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In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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Face (par) amount of debt instrument at time of issuance.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The percentage charged for managing real estate properties.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of common shares (regardless of class), limited partnership units (regardless of class), non-preferential membership interests, or any other form of common equity regardless of investee entity legal form.

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As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of preferred shares (regardless of class), preferred partnership units (regardless of class), preferential membership interests, or any other form of preferred equity regardless of investee entity legal form.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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Investment In Unconsolidated Joint Ventures (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Investments in Unconsolidated Joint Ventures [Line Items]
Investment in hotel properties	$ 2,034,588,000		$ 2,034,588,000		$ 1,767,570,000
Investment in Unconsolidated Joint Ventures	3,705,000		3,705,000		11,441,000
Proceeds from Contribution of Hotel Property Assets to Unconsolidated Joint Venture				$ 429,250,000
Debt Instrument, Face Amount	975,000,000		$ 975,000,000
Asset management fee, percentage			3.00%
Gain on debt extinguishment	(312,000)	$ 15,000	$ (586,000)	$ (1,076,000)
Gain from Remeasurement of Investment in Unconsolidated Joint Venture			$ 16,239,000
Mystic Marriott Hotel Spa [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Percent owned after transaction			100.00%
Proceeds of redemption and transfer of minority interest			$ 11,623,000
Business acquisition, mortgage debt assumed, principal balance	41,333,000		41,333,000
Gain from Remeasurement of Investment in Unconsolidated Joint Venture			16,239,000
Mystic Partners, LLC [Member] \| Hilton And Marriott Branded Hotels In CT [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Investment in Unconsolidated Joint Ventures					$ 4,699,000
Preferred units, dividend rate, percentage (in hundredths)			8.50%
Mystic Partners, LLC [Member] \| Hilton And Marriott Branded Hotels In CT [Member] \| Minimum [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Percent owned (in hundredths)	8.80%		8.80%
Mystic Partners, LLC [Member] \| Hilton And Marriott Branded Hotels In CT [Member] \| Maximum [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Percent owned (in hundredths)	66.70%		66.70%
Cindat Hersha Owner JV, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Percent owned (in hundredths)	30.00%		30.00%
Cindat Capital Management Limited [Member] \| Cindat Hersha Owner JV, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Preferred Joint Venture Partner, Ownership Percentage			70.00%
Common equity interest	$ 142,000,000		$ 142,000,000
Cindat Capital Management Limited [Member] \| Cindat Hersha Owner JV, LLC [Member] \| Scenario, Plan [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Common equity interest return			8.00%
Common Equity Interest, Return, Annual Reduction			0.50%
Common Equity Interest, Return, Annual Reduction, Term			4 years
Cindat Capital Management Limited [Member] \| Cindat Hersha Owner JV, LLC [Member] \| Junior Common Equity Interest [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Common equity interest return			9.50%
Hersha Hospitality Limited Partnership [Member] \| Cindat Hersha Owner JV, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Preferred equity interest	43,194,000		$ 43,194,000
Non-cumulative Return			9.00%
Hersha Hospitality Limited Partnership [Member] \| Cindat Hersha Owner JV, LLC [Member] \| Junior Common Equity Interest [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Common equity interest	$ 60,857,000		$ 60,857,000
Common equity interest return			8.00%