Capitalization of Costs Interest Capitalization, Policy [Policy Text Block] Common stock dividends (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Property operating, excluding real estate taxes Cost of Other Property Operating Expense Statistical Measurement [Domain] Statistical Measurement [Domain] Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Equity income from co-investments Gain (Loss) From Equity Method Investments This item represents the entity's proportionate share for the period of the net gain (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Real Estate [Domain] Real Estate [Domain] Ownership interest, number of commercial buildings (in commercial buildings) Ownership Interests, Number Of Commercial Buildings The number of commercial buildings in which the company has an ownership interest. Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Interest Rate Swap Interest Rate Swap [Member] Co-investment, committed capital Co-Investment, Committed Capital In Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Co-Investment, Committed Capital In Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Reclassification due to change in redemption value and other Temporary Equity, Carrying Amount, Period Increase (Decrease) Equity income from co-investments Income (Loss) from Equity Method Investments Reversal of unrealized gains upon the sale of marketable debt securities, net Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Tabular List, Table Tabular List [Table Text Block] Basic: Basic: Earnings Per Share, Basic [Abstract] Marketable securities, unrealized gain (loss) Marketable Securities, Accumulated Gross Unrealized Gain (Loss), Before Tax Marketable Securities, Accumulated Gross Unrealized Gain (Loss), Before Tax Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Occupancy threshold for classification as stabilized Real Estate Operations, Occupancy Threshold For Classification As Stabilized Real Estate Operations, Occupancy Threshold For Classification As Stabilized Total operating and other co-investments, net Total operating co investments [Member] Equity method investment pertaining to the total operating co-investments. Investment funds - debt securities Debt Securities [Member] Total Notes Receivable, Mezzanine And Bridge Loans [Member] Notes Receivable, Mezzanine And Bridge Loans [Member] Number of technology co-investments Number Of Technology Co-investments Number Of Technology Co-investments Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net income available to common stockholders (in dollars per share) Net income available to common unitholders (in dollars per share) Per common share/unit amount (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial Paper Commercial Paper [Member] Brokerage commissions Sales Commissions and Fees Revenues Revenue from Contract with Customer [Text Block] Essex Portfolio, L.P. Essex Portfolio, L.P. [Member] Essex Portfolio, L.P. [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Same-property Real Estate Property, Same Property [Member] Real Estate Property, Same Property [Member] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Notes and Other Receivables Notes And Other Receivables [Text Block] Tabular disclosure of the various notes receivable and other receivables with corresponding amounts as of the balance sheet date. The receivables are presented as unclassified. Deferred revenue balance from contracts with remaining performance obligations Revenue, Remaining Performance Obligation, Amount Redemption of preferred equity investments upon acquisition of consolidated co-investments Redemption Of Preferred Equity Investments Upon Acquisition Of Co-Investments Redemption Of Preferred Equity Investments Upon Acquisition Of Co-Investments Adjustment to Compensation, Amount Adjustment to Compensation Amount Interest Rate Swap Two Interest Rate Swap Two [Member] Interest Rate Swap Two Affiliated Entity Affiliated Entity [Member] Percentage of remaining performance obligations due per period Revenue, Remaining Performance Obligation, Percentage Issuance of Operating Partnership units for contributed properties Issuance Of Operating Partnership Units For Contributed Properties Issuance Of Operating Partnership Units For Contributed Properties Consolidation Consolidation, Policy [Policy Text Block] Equity-based compensation Share-Based Payment Arrangement, Noncash Expense Stock Repurchase Plan Stock Repurchase Plan [Member] Stock Repurchase Plan Stock options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Notes and other receivables, net of allowance for credit losses of $0.6 million as of March 31, 2026 and December 31, 2025, respectively Notes and other receivables, net of allowance for credit losses of $0.6 million as of March 31, 2026 and December 31, 2025, respectively Total notes and other receivables Notes and other receivables Financing Receivable, after Allowance for Credit Loss Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Related Party Bridge Loan On Property Acquired By Wesco I Related Party Bridge Loan On Property Acquired By Wesco I [Member] Related Party Bridge Loan On Property Acquired By Wesco I Antidilutive Securities [Axis] Antidilutive Securities [Axis] Contributions to co-investments Payments to acquire equity method investments Payments to Acquire Equity Method Investments Common stock dividends Dividends, Common Stock, Cash Total stockholders’ equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Thereafter Long-Term Debt, Maturities, Repayments Of Principal After Year Four Long-Term Debt, Maturities, Repayments Of Principal After Year Four Variable rate debt fair value Variable Rate Debt, Fair Value The fair value of long-term borrowings, outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. Development acquisitions of and additions to real estate under development Payments to Develop Real Estate Assets Mortgage notes payable, net Secured Debt Total liabilities and equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Apartment communities owned (in communities) Number Of Apartment Communities Owned The number of apartment communities owned as of the balance sheet date. LIABILITIES AND EQUITY LIABILITIES AND CAPITAL Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Real estate investments: Real estate investments: Real Estate Investment Property, Net [Abstract] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Preferred return rate Joint Venture, Preferred Returns Rate Joint Venture, Preferred Returns Rate Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Significant Transactions During the Three Months Ended March 31, 2026 and Subsequent Events Significant Transactions And Subsequent Events [Text Block] Significant Transactions And Subsequent Events Operating lease liabilities Operating Lease, Liability Debt securities, unrealized gain (loss) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Commerical Paper Program Commerical Paper Program [Member] Commerical Paper Program Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Entity Shell Company Entity Shell Company Variable Interest Entities Variable Interest Entities [Policy Text Block] Disclosure of accounting policy regarding variable interest entities. Changes in noncontrolling interest from acquisition Noncontrolling Interest, Increase from Business Combination Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Capital expenditures on rental properties Revenue Generating Capital Expenditures The cash outflow for revenue generating capital improvements to properties. Accounts payable, accrued liabilities and operating lease liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income attributable to controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Redemption of noncontrolling interest Redemption of noncontrolling interests Payments to Noncontrolling Interests Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Equity, Attributable to Noncontrolling Interest [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Partner Capital Components [Domain] Partner Capital Components [Domain] Real estate taxes Real Estate Tax Expense Commitment to fund, amount Equity Method Investment, Commitment To Fund, Amount Equity Method Investment, Commitment To Fund, Amount Unsecured debt Unsecured Debt [Member] Award Timing Method Award Timing Method [Text Block] Weighted average company ownership percentage Limited Partnership Interest In Partnership Investments This element represents a description of the nature of common ownership or management control relationships with other entities, regardless of there being transactions between the entities, when the existence of that control could result in operating results or financial position of the reporting entity significantly different from that which would have been obtained if the entities' were autonomous. Variable rate debt, carrying amount Variable Rate Debt, Carrying Amount The portion of the carrying amount of long-term borrowings, outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. Debt securities, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Award Type Award Type [Axis] Total Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Investment, Name [Domain] Investment, Name [Domain] Equity-based Compensation Share-Based Payment Arrangement [Policy Text Block] Distributions in excess of accumulated earnings Accumulated Distributions in Excess of Net Income [Member] Trading Symbol Trading Symbol Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical [Domain] Geographical [Domain] Total partners’ capital Partners' Capital Stock option and restricted stock plans, net (in shares) General partner’s stock based compensation, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Realized and unrealized gains on marketable securities, net Marketable Security, Gain (Loss) Term Loan, Variable Rate Term Loan, Variable Rate [Member] Term Loan, Variable Rate Total rental properties Real Estate Investment Property, at Cost Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Distributions declared Partners' Capital Account, Distributions Net Income Per Common Share and Net Income Per Unit [Table] Net Income Per Common Share and Net Income Per Unit [Table] Disclosures of net income per share and net income per unit. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] General Partner General Partner [Member] Entity Emerging Growth Company Entity Emerging Growth Company 2029 Long-Term Debt, Maturity, Year Three Distribution declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Leased assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Weighted average interest rate on fixed rate unsecured bonds public offering Fixed Rate Public Offering Bond [Member] Debt security, in which the authorized issuer owes the holder a debt and is obliged to repay the principal and interest (the coupon). Cash and cash equivalents-restricted Cash and cash equivalents - restricted Restricted Cash and Cash Equivalent Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Related Party Related Party [Member] Distributions to noncontrolling interest Payments of Distributions to Affiliates Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Notes receivable Notes Receivable Notes Receivable Schedule of Components of Marketable Securities Marketable Securities [Table Text Block] Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Apartment home community in Ventura, CA Apartment Home Community In Ventura, California [Member] Apartment Home Community In Ventura, California [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Accounts payable and accrued liabilities Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Bonds public offering - fixed rate, net Fixed Rate Bond [Member] Debt security, in which the authorized issuer owes the holder a debt and is obliged to repay the principal and interest (the coupon). Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Working capital line of credit Line of Credit Working Capital [Member] Line of credit working capital. Unrestricted and restricted cash and cash equivalents at beginning of period Unrestricted and restricted cash and cash equivalents at end of period Total unrestricted and restricted cash and cash equivalents shown in the condensed consolidated statements of cash flows Cash and cash equivalents, including restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative asset Derivative Asset Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Interest and other income Interest and other income Interest And Other Income (Expense) Interest And Other Income (Expense) Purchases of marketable securities Payments to Acquire Marketable Securities Other assets Other Assets Extension period Debt Instrument, Term, Extension Period Debt Instrument, Term, Extension Period Unsecured debt, net Unsecured Debt Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Available for sale debt securities: Debt Securities, Available-for-Sale [Abstract] Investments in Majority-owned Subsidiaries Investment, Affiliated Issuer, Controlled, Majority-Owned [Member] Change in fair value of derivatives and amortization of swap settlements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Land and land improvements Land and land improvements Land and Land Improvements Changes in refundable deposits Increase (Decrease) In Refundable Deposits Increase (Decrease) In Refundable Deposits Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Derivative, notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Commitment to fund preferred equity investment Preferred Equity Investment, Commitment To Fund Preferred Equity Investment, Commitment To Fund Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Mezzanine Loans Notes Receivable, Mezzanine Loan [Member] Notes Receivable, Mezzanine Loan Net proceeds from stock options exercised Proceeds from Stock Options Exercised City Area Code City Area Code Schedule of Allowance for Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Effect of dilutive securities Income Effect Of Dilutive Securities Includes effect on net income resulting from the assumption that dilutive convertible securities were converted, options, or warrants exercised, or that other shares were issued upon the satisfaction of certain conditions. All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemptions Redemptions Of Noncontrolling Interest Redemptions of noncontrolling interest during the reporting period. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Cash flows from investing activities: Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and administrative General and administrative General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Proceeds from insurance for property losses Proceeds from Insurance Settlement, Investing Activities Common Equity Common Equity [Member] Straight line rent receivables Straight Line Rent Receivable [Member] Straight Line Rent Receivable Debt instrument, term Debt Instrument, Term Related Party Transactions [Abstract] Related Party Transactions [Abstract] Debt securities, carrying value Debt Securities, Available-for-Sale, Excluding Accrued Interest Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Equity Method Investment, Nonconsolidated Investee or Group of Investees Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Other liabilities Other liabilities Other Liabilities Marketable securities Equity securities, carrying value Marketable securities Equity Securities, FV-NI Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation and amortization Depreciation and amortization Depreciation Equity Components [Axis] Equity Components [Axis] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Changes in the redemption value and redemptions of redeemable noncontrolling interest Noncontrolling Interest, Change in Redemption Value Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Common stock dividends paid Common units distributions paid Payments of Ordinary Dividends Redemptions of noncontrolling interest (in shares) Redemptions (in shares) Redemptions Of Noncontrolling Interest, Shares Redemptions Of Noncontrolling Interest, Shares Gain on sale of real estate and land Gains (Losses) on Sales of Investment Real Estate Unamortized discount (premium), net Debt Instrument, Unamortized Discount (Premium), Net Supplemental disclosure of cash flow information: Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Marketable Securities Marketable Securities, Policy [Policy Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Apartment lease term Apartment Lease Term Apartment Lease Term Related Party [Domain] Related and Nonrelated Parties [Domain] Issuance of common stock under: Issuance of common units under: Issuance Of Common Stock Under [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Accrued interest from notes and other receivables Increase (Decrease) in Other Receivables Numbers of line of credit Debt Instrument, Numbers Of Line Of Credit Debt Instrument, Numbers Of Line Of Credit New Credit Facility New Credit Facility [Member] New Credit Facility Bridge Loans Notes Receivable, Bridge Loan [Member] Notes Receivable, Bridge Loan [Member] Entities [Table] Entities [Table] Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Co-investments Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Expected timing of performance obligation satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid for interest (net of $1.3 million and $0.7 million capitalized in 2026 and 2025, respectively) Cash paid for interest (net of $1.3 million and $0.7 million capitalized in 2026 and 2025, respectively) Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Depreciation and amortization Other Depreciation and Amortization Tax (expense) benefit on unconsolidated technology co-investments Tax (expense) benefit on unconsolidated technology co-investments Deferred Other Tax Expense (Benefit) Payments on unsecured debt and mortgage notes Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Combined statements of income: Equity Method Investment, Summarized Financial Information [Abstract] Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Plan Name [Domain] Plan Name [Domain] Total co-investment Total co investment [Member] Equity method investment pertaining to total co investment. Segment Information Segment Reporting Disclosure [Text Block] Marketable securities, carrying value Marketable Securities Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Ownership [Domain] Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Commercial paper Commercial Paper Collections of notes and other receivables Proceeds from Sale and Collection of Receivables Schedule of Changes in Accumulated Other Comprehensive Income, Net by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Additions to real estate: Additions to real estate: Payments to Acquire and Develop Real Estate [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Aggregate Scheduled Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Total revenues Property revenues Revenues Note receivable, secured, bearing interest at 11.25%, due October 2027 (Originated October 2022) Secured Note Receivable, 11.25% Interest Rate, Due October 2027 [Member] Secured Note Receivable, 11.25% Interest Rate, Due October 2027 Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Notes receivable, interest rate Notes Receivable, Interest Rate Notes Receivable, Interest Rate Redemption value of operating partnership units outstanding Redemption Value Of Operating Partnership Units Outstanding Description of redemption value of total operating partnership units. Partner Capital Components [Axis] Partner Capital Components [Axis] Schedule of Reconciliation of Revenues and Operating Profit (Loss) from Segments to Consolidated Reconciliation Of Revenues And Operating Profit Loss From Segments To Consolidated [Table Text Block] Tabular disclosure of all significant reconciling items in the reconciliation of revenues and total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations. Arrangement Duration Trading Arrangement Duration Additions to deferred charges Payment of Financing and Stock Issuance Costs Communities within DownREIT partnerships (in communities) Number Of Communities Within Downreit Partnerships The number of communities within the DownREIT partnerships. Seattle Metro Seattle Metro Seattle Metro [Member] Geographic region of business segment. Segments [Axis] Segments [Axis] Prepaid expenses, receivables, operating lease right-of-use assets and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Limited Partners Limited Partner [Member] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Common equity (2,184,025 and 2,250,339 units issued and outstanding, respectively) Limited Partners' Capital Account Common stock repurchased and retired (in shares) Stock Repurchased and Retired During Period, Shares ASSETS ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Common stock, preferred stock and stock funds Common Stock, Preferred Stock, And Stock Funds [Member] Common Stock, Preferred Stock, And Stock Funds Note receivables Financing Receivable, before Allowance for Credit Loss Debt Instrument [Axis] Debt Instrument [Axis] Partnership Interest Operating Partnership [Member] Operating Partnership [Member] Loss on early retirement of debt Loss on early retirement of debt Loss on early retirement of debt Gain (Loss) on Extinguishment of Debt Credit Facility [Domain] Credit Facility [Domain] Buildings and improvements Buildings and improvements Investment Building and Building Improvements Construction payable Construction Payable Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Accumulated other comprehensive income, net AOCI Attributable to Parent [Member] Interest rate Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Gain on remeasurement of co-investment Gain on remeasurement of co-investment Gain on remeasurement of co-investment Gain On Remeasurement Of Co Investment Refers to unrealized gain on revaluation of equity method investment. Total preferred interest co-investments Total preferred interest investments [Member] Equity method investment pertaining to total preferred interest investments Redeemable noncontrolling interest Beginning balance Ending balance Redeemable Noncontrolling Interest, Equity, Carrying Amount Ownership [Axis] Ownership [Axis] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Lines of credit and commercial paper Lines Of Credit And Commercial Paper Lines Of Credit And Commercial Paper Fair Value as of Grant Date Award Grant Date Fair Value Equity securities, amortized cost Equity Securities, FV-NI, Cost Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Revenues from Development and Redevelopment Fees Revenues From Development And Redevelopment Fees [Member] Revenues From Development And Redevelopment Fees Effect of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Weighted average maturity Debt Instruments Maturity Period The period when the debt instrument is scheduled to be fully repaid. Unsecured Term Loan 0.850%, Due May 2028 Unsecured Term Loan 0.850%, Due May 2028 [Member] Unsecured Term Loan 0.850%, Due May 2028 Total expenses Costs and Expenses Redevelopment Redevelopment Expenditures The cash outflow for capital improvements to properties currently under redevelopment. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Equity based compensation costs Partners' Capital Account, Stock and Unit Based Compensation Costs Total change in each class of partners' capital accounts during the year due to stock and unit-based compensation. All partners include general, limited and preferred partners. Document Quarterly Report Document Quarterly Report Straight line rent concession Straight Line Rent Concession [Member] Straight Line Rent Concession Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Total debt, net Unsecured Debt And Line Of Credit Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer) and the carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Related Party [Axis] Related and Nonrelated Parties [Axis] Schedule of Debt and Lines of Credit Schedule Of Unsecured Debt And Line Of Credit [Table Text Block] Tabular disclosure of information pertaining to long-debt instruments, line of credit or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Prepaid expenses and other assets Prepaid expenses and other assets Prepaid Expense and Other Assets Restatement Determination Date: Restatement Determination Date [Axis] Unsecured Term Loan 0.850% Due January 2031 Unsecured Term Loan 0.850% Due January 2031 [Member] Unsecured Term Loan 0.850% Due January 2031 Stock option and restricted stock plans, net General partner’s stock based compensation, net Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Apartment units owned (in apartments) Aggregate Apartment Units Owned Aggregate number of apartment units owned as of the balance sheet date. Commitment funded amount Equity Method Investments, Purchase Commitment, Funded Amount Equity Method Investments, Purchase Commitment, Funded Amount Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Changes in noncontrolling interest from acquisition Noncontrolling Interest, Increase from Subsidiary Equity Issuance Capitalized internal costs related to development and redevelopment projects Capitalized internal costs related to development and redevelopment projects The amount of for cost of asset previously incurred and capitalized separately from the capitalized amount of the associated long-lived assets. Stated interest rate SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Noncontrolling interest in variable interest entity Noncontrolling Interest in Variable Interest Entity Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Name Trading Arrangement, Individual Name Notes and other receivables, allowance for credit loss Financing Receivable, Allowance for Credit Loss Allowance for credit losses Balance at beginning of period Balance at end of period Financing Receivable, Allowance for Credit Loss All Award Types Award Type [Domain] Payments related to debt prepayment penalties Payment for Debt Extinguishment or Debt Prepayment Cost Total co-investments, net Investments In (Distributions In Excess Of Investments In) And Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Investments In (Distributions In Excess Of Investments In) And Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Total - Marketable securities Marketable Securities [Member] Marketable Securities Noncontrolling interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Rental income Rental [Member] Rental [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Mortgage notes payable, net Mortgage Notes [Member] Mortgage note is a promissory note secured by a specified mortgage loan, it is a written promise to repay a specified sum of money plus interest at a specified rate and length of time to fulfill the promise. Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Redemptions of noncontrolling interest Redemptions Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Compensation Amount Outstanding Recovery Compensation Amount Debt instrument face amount Debt Instrument, Face Amount Marketable securities, amortized cost Marketable Securities, Amortized Cost Marketable Securities, Amortized Cost Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Straight-lined rents Straight Line Rent Other property Other Property Leasing Revenue [Member] Other Property Leasing Revenue [Member] Certificates of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Deferred revenue, revenue recognized (less than) Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Sales and maturities of marketable securities Payments For (Proceeds From) Sales And Maturities Of Marketable Securities Payments For (Proceeds From) Sales And Maturities Of Marketable Securities Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract] Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract] South California South California [Member] South California Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenues: Revenues: Revenues [Abstract] Equity based compensation costs APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Non-residential/other, net Real Estate Property, Non-Residential/Other, Net [Member] Real Estate Property, Non-Residential/Other, Net [Member] Accumulated other comprehensive income, net Accumulated other comprehensive income, net Accumulated Other Comprehensive Income (Loss), Net of Tax Related party note receivable, secured, bearing interest at 5.00%, due September 2026 (Originated February 2026) Secured Related Party Note Receivable, 5.50% Interest Rate, Due December 2025 [Member] Secured Related Party Note Receivable, 5.50% Interest Rate, Due December 2025 2027 Long-Term Debt, Maturity, Year One Financial Instruments [Domain] Financial Instruments [Domain] Reversal of unrealized gains upon the sale of marketable debt securities, net OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Total AOCI Including Portion Attributable to Noncontrolling Interest [Member] Development pipeline consisting of consolidated project Ownership Interests, Number Of Development Pipeline Projects Ownership Interests, Number Of Development Pipeline Projects Segments [Domain] Segments [Domain] Co-investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Acquisitions Real Estate Property, Acquired [Member] Real Estate Property, Acquired [Member] Equity securities, unrealized gain (loss) Equity Securities, FV-NI, Accumulated Unrealized Gain (Loss), Before Tax Equity Securities, FV-NI, Accumulated Unrealized Gain (Loss), Before Tax Minimum Minimum [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Other receivables Other Receivables [Member] Information on other receivables. Revenues and Gains on Sale of Real Estate and Land Revenue [Policy Text Block] Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Ownership interest in partnership Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Operating cash flows from operating leases Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Dividends payable Distributions payable Dividends Payable Net income available to common stockholders/unitholders Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Southern California Southern California Southern California [Member] Geographic region of business segment. Changes in Accumulated Other Comprehensive Income, Net by Component Changes In Accumulated Other Comprehensive Income Loss Net By Component [Policy Text Block] Disclosure of accounting policy for changes in accumulated other comprehensive income loss net by component. Common stock; $0.0001 par value, 670,000,000 shares authorized; 64,309,677 and 64,442,290 shares issued and outstanding, respectively Common Stock, Value, Issued Income allocated to convertible OP Units Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Changes in the redemption value and redemptions of redeemable noncontrolling interest (in shares) Noncontrolling Interest, Change in Redemption Shares Noncontrolling Interest, Change in Redemption Shares Weighted average number of shares outstanding during the period (in shares) Weighted average number of common units outstanding during the period (in shares) Weighted average common shares/units (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 11) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Convertible units Convertible Limited Partnership Units [Member] Convertible limited partnership units, including vested Series Z incentive units, which are not included in determination of diluted earnings per share because they are anti-dilutive. Noncontrolling interest Noncontrolling Interest [Member] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Number of extension options (in extensions) Debt Instrument, Terms, Number Of Extension Options Debt Instrument, Terms, Number Of Extension Options Statement of Partners' Capital [Abstract] Statement of Partners' Capital [Abstract] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Changes in noncontrolling interest from acquisition (in shares) Noncontrolling Interest, Increase from Subsidiary Equity Issuance, Units Noncontrolling Interest, Increase from Subsidiary Equity Issuance, Units PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Interest Rate Swap One Interest Rate Swap One [Member] Interest Rate Swap One Diluted: Diluted: Earnings Per Share, Diluted [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Total equity Balance at period beginning Balance at period end Equity Equity, Including Portion Attributable to Noncontrolling Interest Shares repurchased, Average price per share (in dollar per share) Shares Acquired, Average Cost Per Share Amortization of discount and debt financing costs, net Amortization of Debt Discount (Premium) Document Type Document Type Schedule of Reconciliation of Assets from Segment to Consolidated Reconciliation of Assets from Segment to Consolidated [Table Text Block] Net Income Per Common Share and Net Income Per Common Unit Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Number of interest rate swaps Derivative, Number of Instruments Held Derivative Contract [Domain] Derivative Contract [Domain] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] BEX IV and 500 Folsom Membership Interest In BEX IV and 500 Folsom [Member] Membership Interest In BEX IV and 500 Folsom Management and other fees from affiliates Management and other fees from affiliates Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Name Forgone Recovery, Individual Name Statistical Measurement [Axis] Statistical Measurement [Axis] Interest capitalized Interest Paid, Capitalized, Investing Activity Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Investments in notes receivable Payments to Acquire Notes Receivable Distributions in excess of investments in co-investments Distributions In Excess Of Investments In And Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Distributions In Excess Of Investments In And Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Number of communities owned Number Of Communities Owned Number Of Communities Owned Share repurchase program, authorized, amount Share Repurchase Program, Authorized, Amount Interest rate Derivative, Fixed Interest Rate Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Payments related to tax withholding for share-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income available to common stockholders Net income available to common stockholders/unitholders Net Income (Loss) Available to Common Stockholders, Basic Northern California Northern California Northern California [Member] Geographic region of business segment. Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Geographical [Axis] Geographical [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Lines of credit Long-Term Line of Credit Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Net income available to common stockholders (in dollars per share) Net income available to common unitholders (in dollars per share) Per common share/unit amount (in dollars per share) Earnings Per Share, Diluted Total real estate Total Real Estate, Net The net book value of real estate property held for investment or construction in progress and investments in joint ventures. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Equity securities: Marketable Security, Gain (Loss) [Abstract] Title of 12(b) Security Title of 12(b) Security Total capital Balance at period beginning Balance at period end Partners' Capital, Including Portion Attributable to Noncontrolling Interest Supplemental disclosure of noncash investing and financing activities: Supplemental disclosure of noncash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Rylan Burns [Member] Rylan Burns Combined balance sheets: Equity Method Investment, Financial Statement, Reported Amounts [Abstract] Number of mortgage related properties Number Of Mortgage Related Properties Number Of Mortgage Related Properties Per share data: Per unit data: Earnings Per Share [Abstract] U.S. Treasury and agency securities US Treasury And Agency Securities [Member] US Treasury And Agency Securities Number of interest rate swaps Number Of Interest Rate Swaps Number Of Interest Rate Swaps Consolidation Items [Domain] Consolidation Items [Domain] Non-operating distributions from co-investments Proceeds from Equity Method Investment, Distribution, Return of Capital Investments, Debt and Equity Securities [Abstract] Retirement of common stock, net Treasury Stock, Retired, Par Value Method, Amount Rental properties and real estate under development Rental Properties And Real Estate Development In Process Rental Properties And Real Estate Development In Process Net operating income Net operating income Gross Profit Other Membership Interest, Other, Expo and Country Towers [Member] Equity method investment pertaining to Membership interest in a limited liability company that owns and is developing Expo. Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Proceeds from lines of credit and commercial paper Proceeds From Lines Of Credit And Commercial Paper Proceeds From Lines Of Credit And Commercial Paper Straight line rent concession Operating Lease, Change In Lease Income Operating Lease, Change In Lease Income Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Award Timing Disclosures [Line Items] Other receivables from affiliates Notes Receivable [Member] Fixed rate debt fair value Fixed Rate Debt, Fair Value Fair value of the current and noncurrent portions, as of the balance sheet date, of debt obligations and debt which accrues interest at a set, unchanging rate. General Partner: General Partners' Capital Account [Abstract] Repayments of lines of credit and commercial paper Repayments of lines of credit and commercial paper Repayments Of Lines Of Credit And Commercial Paper Repayments Of Lines Of Credit And Commercial Paper Change in fair value of marketable debt securities, net Change in fair value of marketable debt securities, net OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Rental properties: Rental properties: Real Estate Investment Property, at Cost [Abstract] Other comprehensive loss before reclassification Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Partner Type [Axis] Partner Type [Axis] Municipal debt securities Municipal Debt Securities [Member] Municipal Debt Securities Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Apartment homes Number Of Units Acquired Number of units acquired. Apartment home community development development in Burlingame, CA Home Community Development in Burlingame, California [Member] Home Community Development in Burlingame, California [Member] Expiration Date Trading Arrangement Expiration Date Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Net real estate Net reportable operating segments - real estate assets Real Estate Investment Property, Net Other liabilities Increase (Decrease) in Other Operating Liabilities Management and Other Fees From Affiliates Management And Other Fees From Affiliates [Member] Management And Other Fees From Affiliates Related party transaction, amounts of transaction Related Party Transaction, Amounts of Transaction Equity: Capital: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Schedule of Co-Investments Equity Method Investments [Table Text Block] Retirement of common stock Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Earnings from operations Operating Income (Loss) Lines of credit Line of Credit [Member] Unrealized gain (loss) on available for sale debt securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest [Member] Acquisitions of real estate and acquisition related capital expenditures, net of cash acquired Payments to Acquire Real Estate Schedule of Financial Information for Co-Investments Accounted For Under the Equity Method Summarized Financial Information For Co Investment Accounted For Under The Equity Method [Table Text Block] Summarized financial statement for co investment accounted for under the equity method. Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Proceeds from unsecured debt and mortgage notes Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Schedule of Notes and Other Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Statement [Table] Statement [Table] Schedule of Real Estate Properties [Table] Real Estate Property, Ownership [Table] Commitment to unfund preferred equity investment in the project Equity Method Investments, Purchase Commitment, Remaining Unfunded Amount Equity Method Investments, Purchase Commitment, Remaining Unfunded Amount Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Distributions in excess of accumulated earnings Accumulated Distributions in Excess of Net Income Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Liabilities related to variable interest entities net of intercompany eliminations Liabilities Related To Variable Interest Entities Net Of Intercompany Eliminations The carrying amount of the liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE) net intercompany eliminations. Operating partnership units outstanding (in shares) Operating Partnership Units Outstanding Operating partnership units owned by noncontrolling interest partners, including Long Term Incentive Plan Units which convert to Partnership units. Balance at period beginning (in shares) Balance at period end (in shares) Partners' Capital Account, Units Balance at period beginning (in shares) Balance at period end (in shares) Shares, Issued Deferred revenue Contract with Customer, Liability Operating distributions from co-investments Proceeds from Equity Method Investment, Distribution Marketable securities (less than) Equity Securities, FV-NI, Current Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Retirement of common stock, net (in shares) Treasury Stock, Shares, Retired Amendment Flag Amendment Flag 2028 Long-Term Debt, Maturity, Year Two Company’s share of net income Income (Loss) Attributable to Parent, before Tax Co-investments Oil and Gas and Mining, Proportionate Consolidation, Interest in Unincorporated Joint Venture or Partnership [Policy Text Block] Proceeds from dispositions of real estate Proceeds from Sale, Real Estate, Held-for-Investment Other Commitments [Table] Other Commitments [Table] Termination Date Trading Arrangement Termination Date Note receivable, secured, bearing interest at 9.00%, due October 2026 (Originated October 2021) Secured Note Receivable, 9.00% Interest Rate, Due October 2026 [Member] Secured Note Receivable, 9.00% Interest Rate, Due October 2026 Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Debt instrument, variable interest rate, type [extensible enumeration] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Provision for credit losses Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversal) Receivable [Domain] Receivable [Domain] Net Income Per Share and Net Income Per Unit [Line Items] Net Income Per Share and Net Income Per Unit [Line Items] 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. Total return swap income Total return swap income Derivative, Gain on Derivative Weighted average number of shares outstanding during the period (in shares) Weighted average number of common units outstanding during the period (in shares) Weighted average common shares/units (in shares) Weighted Average Number of Shares Outstanding, Basic Purchase authority remaining under stock repurchase plan Share Repurchase Program, Remaining Authorized, Amount Schedule of Net Income Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Related Party Transaction [Domain] Related Party Transaction [Domain] Fixed rate debt carrying amount Fixed Rate Debt, Carrying Amount Including the current and noncurrent portions, carrying value as of the balance sheet date of debt obligations and debt which accrues interest at a set, unchanging rate. Segment Reporting [Abstract] Segment Reporting [Abstract] Property operating expenses Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forward Starting Interest Rate Swap Forward Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap Entity Tax Identification Number Entity Tax Identification Number Change in fair value of derivatives and amortization of swap settlements Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Assets related to variable interest entities net of intercompany eliminations Assets Related To Variable Interest Entities Net Intercompany Eliminations The carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE) net of intercompany eliminations. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued 2030 Long-Term Debt, Maturity, Year Four Wesco I, Wesco III, and Wesco IV Wesco I, Wesco III, and Wesco IV [Member] Wesco I, Wesco III, and Wesco IV Schedule of Changes in the Redemption Value of Noncontrolling Interests Redeemable Noncontrolling Interest [Table Text Block] Accounting Estimates Use of Estimates, Policy [Policy Text Block] Interest expense Interest expense Interest Expense, Nonoperating Corporate-level property management expenses Corporate-level property management expenses Corporate, Property Management Expenses Corporate, Property Management Expenses Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Rental and other property Total rental and other property revenues Rental and other property revenue Operating Lease, Lease Income Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Wesco I, Wesco III, Wesco IV, Wesco V, and Wesco VI Wesco I, Wesco III, Wesco IV, Wesco V, and Wesco VI [Member] Insider Trading Arrangements [Line Items] Other real estate assets Other real estate assets Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year Total liabilities Debt Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Aggregate borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Number of previously consolidated co-investments considered VIE (in investments) Variable Interest Entity, Number Of Consolidated Co-investments Determined To Be Variable Interest Entities Variable Interest Entity, Number Of Consolidated Co-investments Determined To Be Variable Interest Entities Marcus & Millichap Company (MMC) Marcus And Millichap Company [Member] An affiliate is a party that, directly or indirectly through one or more intermediaries, controls, is controlled by, or is under common control with the entity. Unsecured notes at maturity Debt Instrument, Repurchased Face Amount Expenses: Expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Limited Partners: Limited Partners' Capital Account [Abstract] Statement [Line Items] Statement [Line Items] Unamortized debt issuance expense Unamortized Debt Issuance Expense Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] DownREIT limited partnerships consolidated by company (in partnerships) Number Of Downreit Limited Partnerships Consolidated By Company The number of DownREIT limited partnerships the company consolidates. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents-unrestricted Cash and cash equivalents - unrestricted Cash and Cash Equivalent Common equity (64,309,677 and 64,442,290 units issued and outstanding, respectively) General Partners' Capital Account Counterparty Name [Axis] Counterparty Name [Axis] Real estate under development Development in Process Property operating expenses, including real estate taxes Cost of Other Property Operating Expense And Real Estate Taxes Cost of Other Property Operating Expense And Real Estate Taxes Co-investment Co-Investment In Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Co-Investment In Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures Gain on the sale of real estate and land Company's Share Of Gain On Sales Of Real Estate The Company's share of net gain or loss resulting from sales and other disposals of other real estate owned, increases and decreases in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. Common stock Common Stock [Member] Total rental and other property revenues Rental And Other Property Revenues [Member] Rental And Other Property Revenues [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate debt securities Corporate Debt Securities [Member] Less: accumulated depreciation Less: accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Reclassifications to redeemable noncontrolling interest from additional paid in capital and noncontrolling interest Reclassifications to redeemable noncontrolling interest from general and limited partner capital and noncontrolling interest Reclassification (From) To Redeemable Noncontrolling Interest Reclassification (From) To Redeemable Noncontrolling Interest Net (decrease) increase in unrestricted and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Secured Overnight Financing Rate (SOFR) [Member]