Debt Disclosure [Abstract] Schedule of Short-term Debt [Table] Schedule of Short-term Debt [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] $250 Million Senior Unsecured Revolving Line Of Credit ("Line of Credit") [Member] Senior Unsecured Revolving Line Of Credit [Member] Senior Unsecured Revolving Line Of Credit [Member] $250 Million Unsecured Term Loan ("First Term Loan") [Member] Unsecured Term Loan [Member] An unsecured loan from a bank for a specific amount that has a specified repayment schedule and a floating interest rate. Term loans almost always mature between one and 10 years. $300 Million Senior Unsecured Term Loan Agreement ("Second Term Loan")[Member] Senior Unsecured Term Loan Agreement [Member] Senior Unsecured Term Loan Agreement [Member] $200 Million Senior Unsecured Term Loan Agreement ("Third Term Loan")[Member] Senior Unsecured Term Loan Agreement B [Member] Senior Unsecured Term Loan Agreement B [Member] Short-term Debt [Line Items] Short-term Debt [Line Items] Basis spread on variable rate (in hundredths) Debt Instrument, Basis Spread on Variable Rate Line of Credit Long-term Line of Credit Unsecured Term Loan Long-term Debt, Gross Deferred Loan Costs Debt Issuance Costs, Net Capitalized interest Interest Costs Capitalized Amortization of deferred costs Amortization of Debt Issuance Costs Equity Method Investments and Joint Ventures [Abstract] Investment In Unconsolidated Joint Ventures Equity Method Investments [Table Text Block] Income Or Loss From Unconsolidated Joint Ventures Income Loss Table [Table Text Block] Income Loss Table. Summary Financial Information Related To Unconsolidated Joint Ventures Schedule of Summarized Financial Information Related to Unconsolidated Joint Ventures [Table Text Block] Tabular disclosure of summarized financial information including total assets, liabilities, equity and components of net income, including the Company's share, related to unconsolidated joint ventures. Reconciliation Of Share In Unconsolidated Joint Ventures' Equity In Investment In Unconsolidated Joint Ventures Reconciliation Of Company's Share In Unconsolidated Joint Ventures' Equity To Company's Investment In Unconsolidated Joint Ventures As Presented On Company's Balance Sheets [Table Text Block] Reconciliation Of Company's Share In Unconsolidated Joint Ventures' Equity To Company's Investment In Unconsolidated Joint Ventures As Presented On Company's Balance Sheets [Table Text Block] Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Room [Member] Occupancy [Member] Food and Beverage [Member] Food and Beverage [Member] Other Operating [Member] Hotel, Other [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Noncontrolling Interests Common Units And LTIP Units [Member] Noncontrolling Interests Common Units And Ltip Units [Member] Noncontrolling Interests Common Units And LTIP Units [Member] Consolidated Joint Ventures [Member] Joint Venture Partner [Member] Joint Venture Partner [Member] Statement [Line Items] Statement [Line Items] Revenue: Revenues [Abstract] Hotel Operating Revenues Revenue from Contract with Customer, Excluding Assessed Tax Other Revenues Other Operating Income Total Revenues Revenues Operating Expenses: Operating Expenses [Abstract] Hotel Operating Expenses Cost of Goods and Services Sold Hotel Ground Rent Operating Leases, Rent Expense Real Estate and Personal Property Taxes and Property Insurance Real Estate Taxes and Insurance General and Administrative (including Share Based Payments of $1,958 and $1,606, for the three months ended March 31, 2019 and 2018, respectively) General and Administrative Expense Depreciation and Amortization Depreciation, Depletion and Amortization, Nonproduction Total Operating Expenses Costs and Expenses Operating Loss Operating Income (Loss) Interest Income Interest Income, Other Interest Expense Interest Expense Other Income (Expense) Other Nonoperating Income (Expense) Gain on Disposition of Hotel Properties Gain (Loss) on Disposition of Assets Loss on Debt Extinguishment Gain (Loss) on Extinguishment of Debt Loss Before Results from Unconsolidated Joint Venture Investments and Income Taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income (Loss) from Unconsolidated Joint Ventures Income (Loss) from Equity Method Investments Loss Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income Tax Benefit Income Tax Expense (Benefit) Net Loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Loss (Income) Allocated to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Preferred Distributions Preferred Stock Dividends, Income Statement Impact Net Loss Applicable to Common Shareholders Net Income (Loss) Available to Common Stockholders, Basic Earnings Per Share: Earnings Per Share [Abstract] BASIC Earnings Per Share, Basic [Abstract] Loss from Continuing Operations Applicable to Common Shareholders (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share DILUTED Earnings Per Share, Diluted [Abstract] Loss from Continuing Operations Applicable to Common Shareholders (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Weighted Average Common Shares Outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair Value Measurements And Derivative Instruments Derivatives and Fair Value [Text Block] Commitments And Contingencies And Related Party Transactions [Abstract] Commitments And Contingencies And Related Party Transactions Commitments and Contingencies and Related Party Transactions [Text Block] The entire disclosure of commitments and contingencies and related party transactions. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables. Earnings Per Share Earnings Per Share [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Junior Subordinated Debt [Member] Junior Subordinated Debt [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Hersha Statutory Trust I and Hersha Statutory Trust II [Member] Hersha Statutory Trust I And Hersha Statutory Trust Ii [Member] Information on notes issued to Hersha Statutory Trust I and Hersha Statutory Trust II. Hersha Statutory Trust I [Member] Hersha Statutory Trust I [Member] Information on note issued to Hersha Statutory Trust I. Hersha Statutory Trust II [Member] Hersha Statutory Trust Ii [Member] Information on note issued to Hersha Statutory Trust II. Debt Instrument [Line Items] Debt Instrument [Line Items] Subordinated Notes Payable [Abstract] Subordinated Debt [Abstract] Number of debt instruments Debt Instruments, Number of Instruments Held The number of debt instruments, by type, held by the entity. Subordinated notes payable Subordinated Debt Maturity date Debt Instrument, Maturity Date Debt instrument, description of variable rate basis Debt Instrument, Description of Variable Rate Basis Debt instrument, basis spread on variable rate (in hundredths) Number of business days prior to quarterly interest payments for resetting rates Number of business days prior to quarterly interest payments for resetting rates Number of business days prior to quarterly interest payments, on which the variable interest rates are reset. Net unamortized deferred financing costs Debt instrument, interest rate during period (in hundredths) Debt Instrument, Interest Rate During Period Interest expense Interest Expense, Debt Organization, Consolidation and Presentation of Financial Statements [Abstract] Principles Of Consolidation And Presentation Consolidation, Policy [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Noncontrolling Interest Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Shareholders' Equity Stockholders' Equity, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Mortgages [Member] Mortgages [Member] Mortgages and Notes Payable [Abstract] Secured Debt [Abstract] Mortgage Indebtedness Net Unamortized Premium Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Net Unamortized Deferred Financing Costs Mortgages Payable Long-term Debt Debt instrument, interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Debt covenant compliance status Debt Instrument, Covenant Compliance Maturity date range, start Debt Instrument, Maturity Date Range, Start Maturity date range, end Debt Instrument, Maturity Date Range, End New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Difference Between Guidance In Effect Before And After Topic 610 [Member] Difference Between Guidance In Effect Before And After Topic 610 [Member] Difference Between Guidance In Effect Before And After Topic 610 [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2017-05 [Member] Accounting Standards Update 2017-05 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Investment in Unconsolidated Joint Ventures Equity Method Investments Deferred Gain on Disposition of Hotel Assets Deferred Gain on Sale of Property Distributions in Excess of Net Income Accumulated Distributions in Excess of Net Income Noncontrolling Interests Stockholders' Equity Attributable to Noncontrolling Interest Capitol Hill Hotel, Washington, D.C. [Member] Capitol Hill Hotel, Washington, D.C. [Member] Capitol Hill Hotel, Washington, D.C. [Member] Annapolis Waterfront Hotel, MD [Member] Annapolis Waterfront Hotel, MD [Member] Annapolis Waterfront Hotel, MD [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Debt instrument, face amount Debt Instrument, Face Amount Derivative, cap interest rate Derivative, Cap Interest Rate Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Lease Agreements [Member] Lease Agreements [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Executive Officer [Member] Executive Officer [Member] Franchise [Member] Franchise [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Management Agreements [Abstract] Management agreements [Abstract] Term of management agreements with HHMLP Term Of Management Agreements Term of management agreements with HHMLP Base management fee as percentage of gross revenues (in hundredths) Property Management Fee, Percent Fee Base management fees incurred Base management fees incurred Base management fee, as contractually stipulated, for operating and managing hotels during the reporting period. Incentive management fees incurred Incentive Management Fees Incurred Incentive Management Fees Incurred Franchise Agreements [Abstract] Franchise agreements [Abstract] Terms of franchise agreements, minimum Terms of franchise agreements, minimum Minimum terms of franchise agreements. Terms of franchise agreements, maximum Terms of franchise agreements, maximum Maximum terms of franchise agreements. Franchise fee expense Accounting and Information Technology Fees [Abstract] Accounting and information technology fees [Abstract] Monthly fees for accounting services per property for hotels managed by HHMLP, minimum Monthly Fees For Accounting Services Per Property, Minimum The minimum amount of monthly fees per property charged for accounting services for hotels managed by HHMLP during the period. Monthly fees for accounting services per property for hotels managed by HHMLP, maximum Monthly Fees For Accounting Services Per Property, Maximum The maximum amount of monthly fees per property charged for accounting services for hotels managed by HHMLP during the period. Monthly information technology fees per property for hotels managed by HHMLP, minimum Monthly Information Technology Fees Per Property, Minimum The minimum amount of monthly fees per property charged for information and technology for hotels managed by HHMLP during the period. Monthly information technology fees per property for hotels managed by HHMLP, maximum Monthly Information Technology Fees Per Property, Maximum The maximum amount of monthly fees per property charged for information and technology for hotels managed by HHMLP during the period. Accounting fees Professional Fees Information technology fees Information Technology and Data Processing Capital Expenditure Fees [Abstract] Capital expenditure fees [Abstract] Fee on all capital expenditures and pending renovation projects at the properties (in hundredths) Fee on all capital expenditures and pending renovation projects at the properties Fee charged on all capital expenditures and pending renovation projects at the properties as compensation for procurement services related to capital expenditures and for project management of renovation projects. Fees incurred on capital expenditures Fees incurred on capital expenditures Fees incurred on capital expenditures and pending renovation projects at the properties as compensation for procurement services related to capital expenditures and for project management of renovation projects, which were capitalized with the cost of fixed asset additions during the period. Acquisitions From Affiliates [Abstract] Acquisitions from affiliates [Abstract] Period of right of first refusal per option agreement with officers and affiliated trustees after termination Period of right of first refusal per option agreement with officers and affiliated trustees after termination Period of right of first refusal to purchase any hotel owned or developed in the future by officers and affiliated trustees per option agreement with each of them after termination. Hotel Supplies [Abstract] Hotel supplies [Abstract] Hotel supplies Supplies Expense Charges for capital expenditure purchases Payments to Acquire Productive Assets Capital expenditures included in accounts payable Capital expenditures included in accounts payable Capital expenditures included in accounts payable Lessee Disclosure [Abstract] Lessee Disclosure [Abstract] Number of hotel properties Number Of Hotel Properties Number Of Hotel Properties Ownership percentage in related party Related Party Transaction, Ownership Percentage In Related Party Related Party Transaction, Ownership Percentage In Related Party Term of lease Lessee, Operating Lease, Term of Contract Number of lease agreements Lessee, Operating Lease, Number Of Leases Lessee, Operating Lease, Number Of Leases Lease payments Lessee, Operating Lease, Liability, Payments, Due Percentage rent Lessee, Operating Lease, Liability, Percentage Rent Lessee, Operating Lease, Liability, Percentage Rent Due from Related Parties, Unclassified [Abstract] Due from Related Parties, Unclassified [Abstract] Due from related parties Due from Related Parties Due to Related Parties [Abstract] Due to Related Parties [Abstract] Due to related parties Due to Related Parties Reconciliation Of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Investments in Unconsolidated Joint Ventures [Table] Schedule of Equity Method Investments [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Home2 Suites, South Boston, MA [Member] Home2 Suites, South Boston, MA [Member] Home2 Suites, South Boston, MA [Member] Holiday Inn Express, Boston, MA [Member] Holiday Inn Express Boston Ma [Member] Holiday Inn Express, Boston, MA. Investment, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] SB Partners, LLC [Member] Sb Partners Llc [Member] SB Partners, LLC Cindat Hersha Owner JV, LLC [Member] Cindat Hersha Owner Jv Llc [Member] Cindat Hersha Owner JV, LLC [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Hersha Hospitality Limited Partnership [Member] Hersha Hospitality Limited Partnership [Member] Hersha Hospitality Limited Partnership [Member] Cindat Capital Management Limited [Member] Cindat Capital Management Limited [Member] Cindat Capital Management Limited [Member] Equity Interest Type [Axis] Equity Interest Type [Axis] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Senior Common Equity Interest [Member] Senior Common Equity Interest [Member] Senior Common Equity Interest [Member] Junior Common Equity Interest [Member] Junior Common Equity Interest [Member] Junior Common Equity Interest [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Plan [Member] Scenario, Plan [Member] Investments in Unconsolidated Joint Ventures [Line Items] Schedule of Equity Method Investments [Line Items] Proceeds from equity method investment, return of capital Proceeds from Equity Method Investment, Distribution, Return of Capital Distribution from joint venture Proceeds from Equity Method Investment, Distribution Percent owned (in hundredths) Equity Method Investment, Ownership Percentage Preferred joint venture partner, ownership percentage Preferred Joint Venture Partner, Ownership Percentage Preferred Joint Venture Partner, Ownership Percentage Common equity interest Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount Common equity interest return Common Equity Interest, Return Common Equity Interest, Return Common equity interest, return, annual reduction Common Equity Interest, Return, Annual Reduction Common Equity Interest, Return, Annual Reduction Common equity interest, return, annual reduction, term Common Equity Interest, Return, Annual Reduction, Term Common Equity Interest, Return, Annual Reduction, Term Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Other Assets Other Assets Disclosure [Text Block] Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class A Common Shares [Member] Common Class A [Member] Class B Common Shares [Member] Common Class B [Member] Assets: Assets [Abstract] Investment in Hotel Properties, Net of Accumulated Depreciation Real Estate Investment Property, Net Cash and Cash Equivalents Cash and Cash Equivalents, at Carrying Value Escrow Deposits Restricted Cash and Cash Equivalents Hotel Accounts Receivable, Net of Allowance for Doubtful Accounts of $0 and $188 Accounts Receivable, Net Due from Related Parties Intangible Assets, Net of Accumulated Amortization of $6,213 and $7,308 Intangible Assets, Net (Excluding Goodwill) Right of Use Asset Operating Lease, Right-of-Use Asset Other Assets Other Assets Total Assets Assets Liabilities and Equity: Liabilities and Equity [Abstract] Line of Credit Unsecured Term Loans, Net of Unamortized Deferred Financing Costs (Note 5) Unsecured Debt Unsecured Notes Payable, Net of Unamortized Deferred Financing Costs (Note 5) Notes Payable Mortgages Payable, Net of Unamortized Premium and Unamortized Deferred Financing Costs Secured Debt Lease Liability Operating Lease, Liability Accounts Payable, Accrued Expenses and Other Liabilities Accounts Payable and Accrued Liabilities Dividends and Distributions Payable Dividends Payable Total Liabilities Liabilities Redeemable Noncontrolling Interests - Consolidated Joint Venture (Note 1) Redeemable Noncontrolling Interest, Equity, Carrying Amount Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Shareholders' Equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred Shares: $.01 Par Value, 29,000,000 Shares Authorized, 3,000,000 Series C, 7,701,700 Series D and 4,001,514 Series E Shares Issued and Outstanding at March 31, 2019 and December 31, 2018, with Liquidation Preferences of $25 Per Share (Note 1) Preferred Stock, Value, Issued Common Shares Common Stock, Value, Issued Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss), Net of Tax Additional Paid-in Capital Additional Paid in Capital Distributions in Excess of Net Income Total Shareholders' Equity Stockholders' Equity Attributable to Parent Noncontrolling Interests (Note 1) Total Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Equity Liabilities and Equity Balance Sheets [Abstract] Equity Method Investment, Summarized Financial Information [Abstract] Assets Equity Method Investment, Summarized Financial Information, Assets [Abstract] Investment in Hotel Properties, Net Equity Method Investment, Summarized Financial Information, Noncurrent Assets Other Assets Equity Method Investment Summarized Financial Information Other Assets The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet reported by an equity method investment of the entity. Total Assets Equity Method Investment, Summarized Financial Information, Assets Liabilities and Equity Equity Method Investment, Summarized Financial Information, Liabilities and Equity [Abstract] Mortgages and Notes Payable Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities Other Liabilities Equity Method Investment Summarized Financial Information Other Liabilities The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet reported by an equity method investment of the entity. Equity: Equity Method Investment Summarized Financial Information, Equity [Abstract] Hersha Hospitality Trust Equity Method Investment, Summarized Financial Information, Equity Excluding Noncontrolling Interests Joint Venture Partner(s) Equity Method Investment, Summarized Financial Information, Noncontrolling Interest Accumulated Other Comprehensive Loss Equity Method Investment Summarized Financial Information Accumulated Other Comprehensive Income (Loss) Equity Method Investment Summarized Financial Information Accumulated Other Comprehensive Income (Loss) Total Equity Equity Method Investment Summarized Financial Information, Equity Total Liabilities and Equity Equity Method Investment, Summarized Financial Information, Liabilities and Equity Statement of Operations [Abstract] Equity Method Investment, Summarized Financial Information, Income Statement [Abstract] Room Revenue Equity Method Investment, Summarized Financial Information, Revenue Other Revenue Equity Method Investment Summarized Financial Information Other Operating Revenue The total amount of other operating revenue, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation, reported by an equity method investment of the entity. Operating Expenses Equity Method Investment, Summarized Financial Information, Cost of Sales Lease Expense Equity Method Investment Summarized Financial Information Lease Expense Lease expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues reported by an equity method investment of the entity; for example, cost of goods sold or other operating costs and expenses. Property Taxes and Insurance Equity Method Investment Summarized Financial Information Real Estate Taxes and Insurance The aggregate total of real estate taxes and insurance expense reported by an equity method investment of the entity. General and Administrative Equity Method Investment Summarized Financial Information General and Administrative The aggregate total of expenses of managing and administering the affairs of an entity, reported by an equity method investment of the entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Depreciation and Amortization Equity Method Investment Summarized Financial Information Depreciation and Amortization The current period expense reported by an equity method investment of the entity, charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Interest Expense Equity Method Investment Summarized Financial Information Interest Expense The cost of borrowed funds accounted for as interest that was charged against earnings during the period reported by an equity method investment of the entity.. Loss on Debt Extinguishment Equity Method Investment Summarized Financial Information Net Income Loss Attributable To Noncontrolling Interest The portion of net Income or Loss attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent reported by an equity method investment of the entity. Net Loss Equity Method Investment, Summarized Financial Information, Net Income (Loss) Statement of Stockholders' Equity [Abstract] Common Shares [Member] Common Stock [Member] Preferred Shares [Member] Preferred Stock [Member] Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Distributions in Excess of Net Income [Member] Accumulated Distributions in Excess of Net Income [Member] Total Shareholders' Equity [Member] Parent [Member] Total Equity [Member] Total Equity Less Consolidated Joint Venture [Member] Total Equity Less Consolidated Joint Venture [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Outstanding Balance Cumulative Effect of Adoption of ASC 610-20 Cumulative Effect of New Accounting Principle in Period of Adoption Adjusted balance (in shares) Stockholders' Equity, Including Portion Attributable To Noncontrolling Interest, Shares, Adjusted Balance Stockholders' Equity, Including Portion Attributable To Noncontrolling Interest, Shares, Adjusted Balance Adjusted balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance Repurchase of Common Shares (in shares) Stock Repurchased During Period, Shares Repurchase of Common Shares Stock Repurchased During Period, Value Unit Conversion (in shares) Stock Issued During Period, Shares, Conversion of Units Unit Conversion Stock Issued During Period, Value, Conversion of Units Common Units Issued (in shares) Common Units Issued, During Period, Shares Common Units Issued, During Period, Shares Common Units Issued Common Units Issued, During Period, Value Common Units Issued, During Period, Value Dividends and Distributions declared: Dividends [Abstract] Common Shares Dividends, Common Stock Preferred Shares Dividends, Preferred Stock Common Units Dividends, Common Units Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for common shareholders of the non-controlling interests during the period. LTIP Units LTIP Units LTIP Units Dividend Reinvestment Plan (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Dividend Reinvestment Plan Stock Issued During Period, Value, Dividend Reinvestment Plan Share Based Compensation: Share-based Compensation [Abstract] Grants (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Grants Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Amortization Adjustments To Additional Paid In Capital, Share Based Compensation Requisite Service Period Recognition Value, Non-aggregate Adjustments To Additional Paid In Capital, Share Based Compensation Requisite Service Period Recognition Value, Non-aggregate Equity Contribution to Consolidated Joint Venture Noncontrolling Interest, Increase from Subsidiary Equity Issuance Change in Fair Value of Derivative Instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Adjustment to Record Noncontrolling Interest at Redemption Value Noncontrolling Interest, Change in Redemption Value Net Income (loss) Balance (in shares) Balance Dividends [Abstract] Common Shares, Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Common Units, Distributions declared (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit LTIP Units, Distribution Per Unit (in dollars per share) Incentive Distribution, Distribution Per Unit Leases [Abstract] April 1, 2019 to December 31, 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total undiscounted lease payments Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lease liability Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Limited Partnership Common Units And Vested Ltip Units [Member] Limited Partnership Common Units And Vested Ltip Units [Member] Limited Partnership Common Units And Vested LTIP Units [Member] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Contingently Issuable Shares [Member] Contingently Issuable Shares1 [Member] Contingently Issuable Shares1 [Member] Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Share based payments Allocated Share-based Compensation Expense Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Equity Award [Domain] LTIP Units [Member] Long Term Incentive Plan Units [Member] Long Term Incentive Plan Units [Member] Restricted Share Awards [Member] Restricted Stock [Member] Board Fee Compensation [Member] Annual Retainer [Member] Share-based compensation to trustees for their annual retainer fee. Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Multi-Year LTIP [Member] Multi Year Ltip [Member] Awards made under the multi-year long-term incentive program. Multi-year LTIP Trustee [Member] Multi Year Ltip Trustee Plan [Member] Stock awards made to members of the Board of Trustees. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Summary Of Unvested Share Awards Issued To Executives Schedule of Nonvested Share Activity [Table Text Block] Schedule of Other Share-based Compensation, Activity Schedule of Other Share-based Compensation, Activity [Table Text Block] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net Loss Other Comprehensive (Loss) Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Change in Fair Value of Derivative Instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Less: Reclassification Adjustment for Change in Fair Value of Derivative Instruments Included in Net Income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Total Other Comprehensive (Loss) Income Other Comprehensive Income (Loss), Net of Tax Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: Comprehensive (Income) Loss Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: Preferred Distributions Comprehensive Loss Attributable to Common Shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share-based Compensation Award, Tranche One [Member] Share-based Compensation Award, Tranche One [Member] Share-based Compensation Award, Tranche Two [Member] Share-based Compensation Award, Tranche Two [Member] Share-based Compensation Award, Tranche Three [Member] Share-based Compensation Award, Tranche Three [Member] Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Issued 12-31-2018 [Member] Issued 12-31-2018 [Member] Issued 12-31-2018 [Member] Issued 12-29-2017 [Member] Issued12292017 [Member] Issued12292017 [Member] Issued 12-30-2016 [Member] Issued12302016 [Member] Issued 12-30-2016 [Member] Unvested Share Awards [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted Average Share Price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased Shares issued (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share price on date of grant (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting schedule (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Shares vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Unearned Compensation Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Hiren Boston, LLC [Member] Hiren Boston Llc [Member] Hiren Boston, LLC SB Partners Three, LLC [Member] SB Partners Three, LLC [Member] SB Partners Three, LLC [Member] Income (loss) from unconsolidated joint venture investments Series C, D and E Preferred Shares [Member] All Series Of Preferred Stock [Member] All Series Of Preferred Stock [Member] Series C Preferred Shares [Member] Series C Preferred Stock [Member] Series D Preferred Shares [Member] Series D Preferred Stock [Member] Series E Preferred Stock [Member] Series E Preferred Stock [Member] Hotel accounts receivable, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Preferred Shares - Par Value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred Shares - Authorized (in shares) Preferred Stock, Shares Authorized Preferred Shares - Liquidation Preference Value (in dollars per share) Preferred Stock, Liquidation Preference Per Share Preferred Shares - Issued (in shares) Preferred Stock, Shares Issued Preferred Shares - Outstanding (in shares) Preferred Stock, Shares Outstanding Common Shares - Par Value (in dollars per share) Common Stock, Par or Stated Value Per Share Common Shares - Authorized (in shares) Common Stock, Shares Authorized Common Shares - Issued (in shares) Common Stock, Shares, Issued Common Shares - Outstanding (in shares) Common Stock, Shares, Outstanding Credit Facility [Member] Senior Unsecured Credit Agreement [Member] A type of loan made in a business or corporate finance context. Specific types of credit facilities are: revolving credit, term loans, committed facilities, letters of credit and most retail credit accounts. Revolving Line Of Credit [Member] Line of Credit [Member] Number of unsecured credit agreements Number Of Unsecured Credit Agreements Number Of Unsecured Credit Agreements Revolving line of credit, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Line of credit, expiration date Line of Credit Facility, Expiration Date Renewal period of line of credit Renewal period of line of credit The period for which the line of credit may be requested to be renewed, provided no event of default has occurred and remains uncured. Revolving line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Description of variable rate basis Line of credit facility, covenant terms Line of Credit Facility, Covenant Terms Line of credit facility covenant minimum tangible net worth Line of credit facility covenant minimum tangible net worth Minimum tangible net worth required to be maintained according to covenants under credit agreement. Line of credit facility covenant percentage of net cash proceeds of issuance and sales of equity interests (in hundredths) Line Of Credit Facility Covenant Percentage Of Net Cash Proceeds Of Issuances And Sales Of Equity Interests Line Of Credit Facility Covenant Percentage Of Net Cash Proceeds Of Issuances And Sales Of Equity Interests Line of credit facility covenant maximum annual distributions (in hundredths) Line Of Credit Facility Covenant Maximum Annual Distributions Maximum annual distributions as percentage of adjusted funds from operations permitted under covenants under credit agreement. Line of credit facility covenant fixed charge coverage ratio Line of credit facility covenant fixed charge coverage ratio Fixed charge coverage ratio required to be maintained according to covenants under credit agreement. Line of credit facility covenant maximum leverage ratio (in hundredths) Line of credit facility covenant maximum leverage ratio Maximum leverage ratio required to be maintained according to covenants under credit agreement. Line of credit facility covenant maximum secured debt leverage ratio (in hundredths) Line of credit facility covenant maximum secured debt leverage ratio Maximum secured debt leverage ratio required to be maintained according to covenants under credit agreement. Interest Expense, on credit facilities Line of credit, weighted average interest rate (in hundredths) Line of Credit Facility, Interest Rate During Period Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land [Member] Land [Member] Building [Member] Building [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease costs Operating Lease, Cost Variable lease costs Variable Lease, Cost Total lease costs Lease, Cost Share Based Payments Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Supplemental Cash Flow Elements [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for income taxes Income Taxes Paid, Net Property, Plant and Equipment [Abstract] Investment In Hotel Properties Property, Plant and Equipment [Table Text Block] Courtyard by Marriott, Boston, MA [Member] Courtyard By Marriott Boston Ma [Member] Courtyard by Marriott, Boston, MA. Hilton and IHG Branded Hotels in NYC [Member] Hilton And Ihg Branded Hotels In Nyc [Member] Hilton And IHG Branded Hotels In NYC [Member] Percent owned Investment in unconsolidated joint ventures Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Market Rate Lease [Member] Market Rate Lease [Member] Market Rate Lease [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Joint Venture Partner [Member] Hersha Holding RC Owner, LLC [Member] Hersha Holding RC Owner, LLC [Member] Hersha Holding RC Owner, LLC [Member] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] Retained Earnings [Member] Retained Earnings [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Pro Forma [Member] Pro Forma [Member] Class of Stock [Line Items] Class of Stock [Line Items] Approximate ownership percentage in the partnership (in hundredths) Noncontrolling Interest, Ownership Percentage by Parent General partnership interest (in hundredths) Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Maximum exposure to losses due to investment in joint ventures Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Noncontrolling interests in Nonredeemable Common Units Noncontrolling Interest in Limited Partnerships Nonredeemable common units outstanding (in shares) Nonredeemable Common Units Nonredeemable Common Units outstanding as of the balance sheet date. Fair market value of nonredeemable common units Fair market value of nonredeemable common units Fair market value of nonredeemable common units as of the balance sheet date. Noncontrolling interest, ownership percentage Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Noncontrolling interest, common equity interest, return Noncontrolling Interest, Common Equity Interest, Return Noncontrolling Interest, Common Equity Interest, Return Cumulative return on common equity interest Noncontrolling Interest, Cumulative Return On Common Equity Interest Noncontrolling Interest, Cumulative Return On Common Equity Interest Net income (loss) attributable to nonredeemable noncontrolling interest Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Change in redemption value Equity in noncontrolling interest Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Common shares repurchased (in shares) Common shares repurchased Treasury Stock, Value, Acquired, Par Value Method Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Number of real estate properties Number of Real Estate Properties Cumulative Effect on Equity from the Adoption of ASC Subtopic 610-20 Distributions in Excess of Net Income Stockholders' equity attributable to noncontrolling interest Right of use asset Decrease in intangible assets Decrease in accounts payable and accrued expenses Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Our share of equity recorded on the joint ventures' financial statements Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Adjustment to reconcile our share of equity recorded on the joint ventures' financial statements to our investment in unconsolidated joint ventures Adjustment To Reconcile Company Share Of Equity On Joint Venture Financial Statements To Company Investment In Unconsolidated Joint Venture Adjustment To Reconcile Company Share Of Equity On Joint Venture Financial Statements To Company Investment In Unconsolidated Joint Venture Noncash Investing and Financing Items [Abstract] Noncash Investing and Financing Items [Abstract] Common Shares issued as part of the Dividend Reinvestment Plan Acquisition of hotel properties: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Deposit paid in prior period towards acquisition which closed in current period Escrow Deposit Disbursements Related to Property Acquisition Conversion of Common Units to Common Shares Conversion of Stock, Amount Converted Issuance of share based payments Units Issued Units Issued Accrued payables for capital expenditures placed into service Accrued Payables For Fixed Assets Placed Into Service Accrued Payables For Fixed Assets Placed Into Service Adjustment to Record Noncontrolling Interest at Redemption Value Adjustment to Record Right of Use Asset & Lease Liability Adjustment For Right-of-Use Asset And Lease Liability Adjustment For Right-of-Use Asset And Lease Liability Shares outstanding (in shares) Aggregate Liquidation Preference Preferred Stock, Liquidation Preference, Value Distribution Rate Preferred Stock, Dividend Rate, Percentage Dividend per share (in dollars per share) Preferred Stock, Dividend Rate, Per-Dollar-Amount Schedule of Other Assets Schedule of Other Assets [Table Text Block] Statement of Cash Flows [Abstract] Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to Reconcile Net Loss to Net Cash Provided by Operating Activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gain on Disposition of Hotel Properties, Net Gain (Loss) on Sale of Properties Deferred Taxes Deferred Income Tax Expense (Benefit) Depreciation Depreciation Amortization Amortization of Intangible Assets Loss on Debt Extinguishment Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost Equity in (Income) Loss of Unconsolidated Joint Ventures Distributions from Unconsolidated Joint Ventures Loss Recognized on Change in Fair Value of Derivative Instrument Derivative, Gain (Loss) on Derivative, Net Share Based Compensation Expense Change in Assets and Liabilities: Increase (Decrease) in Operating Capital [Abstract] (Increase) Decrease in: Increase (Decrease) in Operating Assets [Abstract] Hotel Accounts Receivable Increase (Decrease) in Accounts Receivable Other Assets Increase (Decrease) in Other Operating Assets Due from Related Parties Increase (Decrease) in Due from Related Parties Increase (Decrease) in: Increase (Decrease) in Operating Liabilities [Abstract] Accounts Payable, Accrued Expenses and Other Liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of Hotel Property Assets Payments to Acquire Real Estate Capital Expenditures Payments for Capital Improvements Cash Paid for Hotel Development Projects Payments to Develop Real Estate Assets Proceeds from Disposition of Hotel Properties Proceeds from Sale of Real Estate Held-for-investment Proceeds from Insurance Claims Proceeds from Insurance Settlement, Investing Activities Distributions from Unconsolidated Joint Ventures Net Cash (Used in) Provided by Investing Activities Net Cash Provided by (Used in) Investing Activities Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings Under Line of Credit, Net Line of Credit Facility, Increase (Decrease), Net Repayment of Borrowings Under Unsecured Term Loan Repayments of Unsecured Debt Principal Repayment of Mortgages and Notes Payable Repayments Of Secured And Unsecured Debt The cash outflow from the payment of collateralized debt obligation (backed by pledge, mortgage or other lien in the entity's assets). Also, includes the cash outflow from the payment of uncollateralized notes payable debt obligations (where debt is not backed by the pledge of collateral). Cash Paid for Deferred Financing Costs Payments of Financing Costs Repurchase of Common Shares Payments for Repurchase of Common Stock Dividends Paid on Common Shares Payments of Ordinary Dividends, Common Stock Dividends Paid on Preferred Shares Payments of Ordinary Dividends, Preferred Stock and Preference Stock Distributions Paid on Common Units and LTIP Units Payments of Ordinary Dividends, Noncontrolling Interest Other Financing Activities Proceeds from (Payments for) Other Financing Activities Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Net Increase in Cash, Cash Equivalents, and Restricted Cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, and Restricted Cash - Beginning of Period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, and Restricted Cash - End of Period Debt Debt Disclosure [Text Block] Schedule Of Preferred Stock Schedule Of Preferred Stock [Table Text Block] Tabular disclosure of terms and conditions of the preferred shares outstanding. Schedule of ASC 610-20 Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Issued 3-21-2019 [Member] Issued 3-21-2019 [Member] Issued 3-21-2019 [Member] Issued 3-28-2018 [Member] Issued 3-28-2018 [Member] Issued 3-28-2018 [Member] Issued 3-28-2017 [Member] Issued03282017 [Member] Issued 03-28-2017 [Member] Compensation Committee Approval Date March 8, 2018 [Member] Compensation Committee Approval Date 5 [Member] Compensation Committee Approval Date 5 [Member] Compensation Committee Approval Date March 10, 2017 [Member] Compensation Committee Approval Date1 [Member] Compensation Committee Approval Date 1 [Member] Compensation Committee Approval Date March 17, 2016 [Member] Compensation Committee Approval Date2 [Member] Compensation Committee Approval Date 2 [Member] 2018 Annual Long Term Equity Incentive Program (2018 Annual EIP) [Member] Two Thousand Eighteen Annual Long Term Equity Incentive Program [Member] Two Thousand Eighteen Annual Long Term Equity Incentive Program [Member] 2017 Annual Long Term Equity Incentive Program (2017 Annual EIP) [Member] Two Thousand Seventeen Annual Long Term Equity Incentive Program [Member] Two Thousand Seventeen Annual Long Term Equity Incentive Program [Member] 2016 Annual Long Term Equity Incentive Program (“2016 Annual EIP”) [Member] Two Thousand Sixteen Annual Long Term Equity Incentive Program2016 Annual Eip [Member] Two Thousand Sixteen Annual Long Term Equity Incentive Program 2016 Annual EIP [Member] 2018 Multi-Year Long Term Equity Incentive Program (2018 Multi-Year EIP) [Member] Two Thousand Eighteen Multi Year Long Term Equity Incentive Program 2018 Multi Year Eip [Member] Two Thousand Eighteen Multi Year Long Term Equity Incentive Program 2018 Multi Year Eip [Member] 2017 Multi-Year Long Term Equity Incentive Program (“2017 Multi-Year EIP”) [Member] Two Thousand Seventeen Multi Year Long Term Equity Incentive Program2017 Multi Year Eip [Member] Two Thousand Seventeen Multi-Year Long Term Equity Incentive Program (“2017 Multi-Year EIP”) [Member] 2016 Multi-Year Long Term Equity Incentive Program (“2016 Multi-Year EIP”) [Member] Two Thousand Sixteen Multi Year Long Term Equity Incentive Program2016 Multi Year Eip [Member] Two Thousand Sixteen Multi-Year Long Term Equity Incentive Program (“2016 Multi-Year EIP”) [Member] Performance period Long Term Incentive Plan, Performance Period Long Term Incentive Plan, Performance Period Fair Value Of Interest Rate Swaps And Caps Schedule of Interest Rate Derivatives [Table Text Block] Investment In Unconsolidated Joint Ventures Equity Method Investments and Joint Ventures Disclosure [Text Block] Share-Based Compensation Award, Tranche Four [Member] Share-Based Compensation Award, Tranche Four [Member] Share-Based Compensation Award, Tranche Four [Member] Original Year Of Issuance Date 2019 [Member] Original Year Of Issuance Date 5 [Member] Original Year Of Issuance Date 5 [Member] Original Year Of Issuance Date 2018 [Member] Original Year Of Issuance Date1 [Member] Original Year Of Issuance Date 1 [Member] Original Year Of Issuance Date 2017 [Member] Original Year Of Issuance Date2 [Member] Original Year Of Issuance Date 2 [Member] Original Year of Issuance Date 2015 [Member] Original Year of Issuance Date 4 [Member] Original Year of Issuance Date 4 [Member] Escrowed cash Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows NUMERATOR: Numerator [Abstract] Basic and Diluted Earnings Per Share, Basic and Diluted [Abstract] Loss allocated to Noncontrolling Interests Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Distributions to Preferred Shareholders Dividends Paid on Unvested Restricted Shares and LTIP Units Dividends, Share-based Compensation, Cash Net Loss applicable to Common Shareholders Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent DENOMINATOR: Denominator [Abstract] Denominator [Abstract] Weighted average number of common shares - basic (in shares) Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Restricted stock awards and LTIP units (unvested) (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Contingently issued shares and units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Weighted average number of common shares - diluted (in shares) Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Interest Rate Swap Ii [Member] Interest Rate Swap II [Member] Interest Rate Cap [Member] Interest Rate Cap [Member] Hyatt Union Square, New York, NY [Member] Hyatt Union Square New York Ny [Member] Hyatt Union Square, New York, NY. Hilton Garden Inn 52nd Street, New York, NY [Member] Hilton Garden Inn52nd Street New York Ny [Member] Hilton Garden Inn 52nd Street, New York, NY [Member] Courtyard, LA Westside, Culver City, CA [Member] Courtyard La Westside Culver City Ca [Member] Courtyard, LA Westside, Culver City, CA [Member] Unsecured Credit Facility November 3, 2016 [Member] Unsecured Credit Facility November 3, 2016 [Member] Unsecured Credit Facility November 3, 2016 [Member] Unsecured Credit Facility April 3, 2017 [Member] Unsecured Credit Facility April 3, 2017 [Member] Unsecured Credit Facility April 3, 2017 [Member] Unsecured Credit Facility August 10, 2017 [Member] Unsecured Credit Facility August 10, 2017 [Member] Unsecured Credit Facility August 10, 2017 [Member] Unsecured Credit Facility January 10, 2019 [Member] Unsecured Debt [Member] Unsecured Credit Facility August 10, 2018 [Member] Unsecured Credit Facility August 10, 2018 [Member] Unsecured Credit Facility August 10, 2018 [Member] Unsecured Credit Facility August 12, 2019 [Member] Unsecured Credit Facility August 12, 2019 [Member] Unsecured Credit Facility August 12, 2019 [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Notional Amount Derivative, Notional Amount Strike Rate Derivative, Fixed Interest Rate Index Derivative, Basis Spread on Variable Rate Effective Date Derivative, Inception Date Derivative Contract Maturity Date Derivative, Maturity Date Estimated Fair Value Interest Rate Derivatives, at Fair Value, Net Deferred tax assets, net Deferred Tax Assets, Net Schedule Of Mortgages Payable Schedule of Debt [Table Text Block] Summary Of Borrowing Base Assets Summary Of Borrowing Base Assets [Table Text Block] Summary Of Borrowing Base Assets [Table Text Block] Summary Of The Balances Outstanding And Interest Rate Spread Schedule of Line of Credit Facilities [Table Text Block] Leases Lessor, Operating Leases [Text Block] Leases Lessee, Operating Leases [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Building and Improvements [Member] Building and Building Improvements [Member] Furniture, Fixtures And Equipment [Member] Furniture Fixtures And Equipment [Member] Long lived, depreciable assets, commonly used in offices and stores and tangible personal property, nonconsumable in nature, with finite lives used to produce goods and services. Construction in Progress [Member] Construction in Progress [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Total investment in hotel properties, gross Real Estate Investment Property, at Cost Less Accumulated Depreciation Real Estate Investment Property, Accumulated Depreciation Total Investment in Hotel Properties Net book value Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net Cash Flow Disclosures And Non Cash Investing And Financing Activities Cash Flow, Supplemental Disclosures [Text Block] Restricted Common Shares [Member] Restricted Stock Units (RSUs) [Member] Short Term Incentive Program [Member] Short Term Incentive Program [Member] Short Term Incentive Program [Member] Annual Long Term Equity Incentive Programs [Member] Annual Long Term Equity Incentive Programs [Member] Annual Long Term Equity Incentive Programs [Member] Awards earned, percent in cash Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Cash Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Cash Awards earned, percent in equity awards Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Equity Awards Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Award Earned In Equity Awards LTIP unit issuance (in shares) Long-term Incentive Plan Units Issued Long-term Incentive Plan Units Issued Stock based compensation expense Shareholders return as percentage of award for achievement level one (in hundredths) Shareholders return as percentage of award for achievement level one Represents shareholders return as percentage of award for achievement level under share based compensation program. Shareholders return as percentage of award for achievement level two (in hundredths) Shareholders return as percentage of award for achievement level two Represents shareholders return as percentage of award for achievement level two. Shareholders return as percentage of award for achievement level three (in hundredths) Shareholders Return As Percentage Of Award For Achievement Level Three Shareholders Return As Percentage Of Award For Achievement Level Three Percentage premium on retainer equity option (in hundredths) Percentage premium on retainer equity option The company offers to its trustees a premium equity issue offer instead of a cash retainer Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Reported Value Measurement [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value Measurement [Member] Gain (loss) on fair value of derivative instruments Unrealized gain (loss) reclassified from accumulated other comprehensive income to interest expense Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net Loss to be reclassified to interest expense during next 12 months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Carrying value and estimated fair value of debt Debt Instrument, Fair Value Disclosure Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Document Type Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Trading Symbol Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Schedule of Cash Flow Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Investment In Hotel Properties Property, Plant and Equipment Disclosure [Text Block] Basis Of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Components of Lease Costs Lease, Cost [Table Text Block] Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Cash paid from operating cash flow for operating leases Operating Lease, Payments Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Derivative Asset Derivative Asset Deferred Financing Costs Debt Issuance Costs, Gross Prepaid Expenses Prepaid Expense Investment in Statutory Trusts Investment in Statutory Trusts The amount of investment in the common stock of Hersha Statutory Trust I and Hersha Statutory Trust II reported by an equity method investment of the entity. Investment in Non-Hotel Property and Inventories Investment in Non-Hotel Property and Inventories Investment in Non-Hotel Property and Inventories Deposits with Unaffiliated Third Parties Deposits Assets Deferred Tax Asset, Net of Valuation Allowance of $497 Other Other Assets, Miscellaneous Total other assets Deferred tax assets, valuation allowance Deferred Tax Assets, Valuation Allowance