Net of accumulated amortization of other intangible assets
Other intangible assets, accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Commitment And Contingencies [Line Items]
Commitment And Contingencies [Line Items]
Commitment And Contingencies [Line Items]
Rental expenses
Rental expenses
Cost of Other Property Operating Expense
Future Time Period After 12-31-2021
Future Time Period After [Member]
Future time period after.
Award Timing Predetermined
Award Timing Predetermined [Flag]
Entity File Number
Entity File Number
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Tabular List, Table
Tabular List [Table Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Noncash compensation expense
Restricted Stock or Unit Expense
Leasing commissions, net of accumulated amortization of $56,094 and $51,068, respectively
Deferred Costs, Leasing, Net
SOFR
Secured Overnight Financing Rate (SOFR) [Member]
Lease extension option period
Years Lease Extension Option Length
Years lease extension option length.
Accounts payable and accrued liabilities for construction in progress
Construction in Progress Expenditures Incurred but Not yet Paid
Measurement Basis [Axis]
Measurement Basis [Axis]
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]
Proceeds from unsecured notes payable
Proceeds from Unsecured Notes Payable
Gross Carrying Amount, Building and Improvements
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount
Non-Affiliated Investors
Non-Affiliated Investors [Member]
Non-Affiliated Investors [Member]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Percentage of total revenue provided by properties
Concentration Risk, Percentage
Line Of Credit Future Time Period [Domain]
Line Of Credit Future Time Period [Domain]
Line Of Credit Future Time Period [Domain]
Change in other assets
Increase (Decrease) in Other Operating Assets
Basis of Presentation
Consolidation, Policy [Policy Text Block]
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Cash paid for income taxes
Income Taxes Paid
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Total American Assets Trust, Inc. stockholders' equity
Equity, Attributable to Parent
Insider Trading Policies and Procedures [Line Items]
Weighted-average amortization period of acquired leases prior to the commencement of renewal option
Finite-Lived Intangible Liabilities, Below Market Leases, Weighted Average Period Before Next Renewal Or Extension
Finite-Lived Intangible Liabilities, Below Market Leases, Weighted Average Period Before Next Renewal Or Extension
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
The Shops at Kalakaua
Shops At Kalakaua [Member]
Shops at Kalakaua.
Common shares issued (in shares)
Stock Issued During Period, Shares, New Issues
Southern California
Southern California [Member]
Southern California [Member]
LIABILITIES AND EQUITY
LIABILITIES AND CAPITAL
Liabilities and Equity [Abstract]
Cover page.
Cover [Abstract]
Earnest S. Rady
Earnest S. Rady [Member]
Earnest S. Rady
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Maximum
Maximum [Member]
Full debt repayment percentage of principal plus a make-whole amount
Debt Instrument, Prepayment, Percentage Of Principal Plus A Stated Amount
Debt Instrument, Prepayment, Percentage Of Principal Plus A Stated Amount
Amortization period
Finite-Lived Intangible Asset, Useful Life
Straight-line rent liability
Deferred Rent Credit
Acquired lease intangible assets, net
Acquired lease intangible assets, net
Finite-Lived Intangible Assets, Net
Restricted Stock
Restricted Stock [Member]
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Real Estate and Accumulated Depreciation, by Property
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Cost Capitalized Subsequent to Acquisition
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost
Timber Ridge
Timber Ridge [Member]
Timber Ridge
Summary of Activity of Restricted Stock Awards
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
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]
Entity Shell Company
Entity Shell Company
Equity [Line Items]
Equity [Line Items]
Equity [Line Items]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Accumulated depreciation
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]
Google LLC at The Landmark at One Market
Google LLC at The Landmark at One Market [Member]
Google LLC at The Landmark at One Market
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Summary of Consolidated Statements of Cash Flows - Supplemental Disclosures
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Other comprehensive loss - unrealized loss
Other comprehensive loss
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
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]
Income from operations attributable to American Assets Trust, Inc. common stockholders—basic
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Series E Notes
Series E Notes [Member]
Series E Notes
Management fees
Management Fee Expense
Document Fiscal Period Focus
Document Fiscal Period Focus
5.08% City Center Bellevue, October 2027
5.08% City Center Bellevue, October 2027 [Member]
City center bellevue.
Percentage of hotel occupancy gross revenue paid for program fee
Percentage Of Hotel Occupancy Gross Revenue Paid For Program Fee
Percentage of hotel occupancy gross revenue paid for program fee.
Real estate taxes
Real estate taxes
Real Estate Tax Expense
Properties in number of states
Number Of State With Office, Retail, And Mixed-Use Properties
Number Of State With Office, Retail, And Mixed-Use Properties
Award Timing Method
Award Timing Method [Text Block]
Award Type [Axis]
Award Type [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Summary of Income Tax Status of Dividends Per Share Paid
Schedule of Dividends Payable [Table Text Block]
Senior Guaranteed Notes, Series F
Senior Guaranteed Notes, Series F [Member]
Senior Guaranteed Notes, Series F [Member]
Forfeiture of restricted units (in shares)
Partners' Capital Account, Restricted Units Forfeiture
Partners' Capital Account, Restricted Units Forfeiture
Stock-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Trading Symbol
Trading Symbol
2029
Lessee, Operating Lease, Liability, to be Paid, Year Four
Member Units
Member Units [Member]
Entity Address, City or Town
Entity Address, City or Town
Years in hotel management agreement term
Term Period For Termination Of Agreement
Term period for termination of agreement.
ACQUIRED IN-PLACE LEASES AND ABOVE/BELOW MARKET LEASES
Intangible Assets Disclosure [Text Block]
Deferred tax asset
Deferred Tax Assets, Net of Valuation Allowance
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Statement of Income Location, Balance [Domain]
Statement of Income Location, Balance [Domain]
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Summary of acquired lease intangibles included in other assets and other liabilities
Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block]
Entity Emerging Growth Company
Entity Emerging Growth Company
2028
Long-Term Debt, Maturity, Year Three
Repayment of unsecured line of credit
Repayment of unsecured line of credit
Repayments of Lines of Credit
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]
Property revenue
Revenue from Contract with Customer, Including Assessed Tax
Debt issuance costs on line of credit, net of accumulated amortization of $2,591 and $1,943, respectively
Debt issuance costs, net of accumulated amortization of $723 and $632, respectively
Debt discount and issuance costs, net of accumulated amortization of $8,720 and $9,890, respectively
Debt issuance costs
Debt Issuance Costs, Net
Restricted cash
Restricted Cash and Cash Equivalent
In-Place Leases
Leases, Acquired-in-Place [Member]
Common stock, shares outstanding (in shares)
Beginning Balance (shares)
Ending Balance (shares)
Common Stock, Shares, Outstanding
Total bad debt expense
Accounts Receivable, Credit Loss Expense (Reversal)
Loss on derivatives
Derivative, Loss on Derivative
Quarterly Financial Information [Table]
Quarterly Financial Information [Table]
Quarterly Financial Information [Table]
Percentage annual distributions cannot exceed funds from operations
Percentage Limit On Annual Distributions In Relation To Funds From Operations
Percentage limit on annual distributions in relation to funds from operations.
Initial Cost, Building and Improvements
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements
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]
Maximum percentage of hotel's fiscal year gross revenues paid for aggregate yearly management fee
Maximum Percentage Of Hotels Fiscal Year Gross Revenues Paid For Aggregate Yearly Management Fee
Maximum percentage of hotels fiscal year gross revenues paid for aggregate yearly Management fee.
Summary of Future Amortization for Acquired In-Place Leases
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Accounts payable and accrued expenses
Accounts Payable and Accrued Liabilities
Hassalo on Eighth - Residential
Hassalo on Eighth - Residential [Member]
Hassalo on Eighth - Residential [Member]
Nonvested, Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Effective interest rate (percent)
Debt Instrument, Interest Rate, Effective Percentage
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Provision for income taxes
Income tax expense
Income Tax Expense (Benefit)
Life on which depreciation in latest income statements is computed
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation
Basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Other assets, net
Total other assets
Other Assets
Number of consolidated properties located in Southern California
Number Of Consolidated Properties
Number of consolidated properties.
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Unsecured notes payable, net
Unsecured Debt
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Senior Guaranteed Notes, Series G
Senior Guaranteed Notes, Series G [Member]
Senior Guaranteed Notes, Series G
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Total
Common Stock Dividend Rate Percentage
Common Stock, Dividend Rate, Percentage
Term Loan B
Term Loan B [Member]
Term Loan B [Member]
Total real estate
Property, Plant and Equipment, Gross
Office
Total Office
Office Segment [Member]
Office Segment.
Other Income and Expenses [Abstract]
Other Income and Expenses [Abstract]
Amortization of leases
Operating Lease, Right-of-Use Asset, Periodic Reduction
Rooms in mixed-use segment all-suite hotel
Number Of Rooms In Mixed Use Segment All Suite Hotel
Number of rooms in mixed use segment all suite hotel.
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Building and Improvement
Building and Building Improvements [Member]
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]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
Net income attributable to restricted shares
Less: Net income attributable to restricted shares
Net Income Attributable To Restricted Share
Net income attributable to restricted share.
Nonvested, Beginning, Shares
Nonvested, Ending, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
2026
Below Market Lease, Amortization Income, Year One
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Number of sales agents
Number of Sales Agents
Number of Sales Agents
Forfeiture of restricted stock (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Solana Beach Towne Centre
Solana Beach Towne Centre [Member]
Solana Beach towne centre.
Preferred stock, par-value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Real Estate, estimated useful lives
Property, Plant and Equipment, Useful Life
Retail Or Office
Retail Or Office [Member]
Retail Or Office
Year of Agreement, 15th
Future Year Period Four [Member]
Future year period four.
Real Estate [Line Items]
Real Estate [Line Items]
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
PEO Total Compensation Amount
PEO Total Compensation Amount
Purchase Commitment, Excluding Long-term Commitment [Axis]
Purchase Commitment, Excluding Long-Term Commitment [Axis]
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Real estate depreciation expense
Depreciation
Money Market Funds
Money Market Funds [Member]
City Center Bellevue
City Center Bellevue [Member]
City center bellevue.
Property expense
Property Expenses
Property expenses.
OTHER LIABILITIES AND DEFERRED CREDITS
Other Liabilities Disclosure [Text Block]
Equity Components [Axis]
Equity Components [Axis]
Other non-operating income
Other Non-Operating Income (Expense), Other
Other Non-Operating Income (Expense), Other
Real Estate Properties [Line Items]
Real Estate Properties [Line Items]
Summary Of Significant Accounting Policies
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Sublease income
Sublease Income
Issuance of restricted stock
Stock Issued During Period, Value, Restricted Stock Award, Gross
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Torrey Plaza
Torrey Plaza [Member]
Torrey Plaza [Member]
EXPENSES:
Operating Costs and Expenses [Abstract]
Number of reportable segments
Number of Reportable Segments
DISTRIBUTIONS PER UNIT (in dollars per share)
Distributions Per Limited Partnership and General Partnership Unit, Outstanding, Basic
Interest and investment income
Interest and Other Income
Retail
Total Retail
Retail Segment [Member]
Retail Segment.
Interest Rate Swap, 1/5/2027
Interest Rate Swap, 1/5/2027 [Member]
Interest Rate Swap, 1/5/2027
Entity Address, State or Province
Entity Address, State or Province
Property acquisitions
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition
Issuance of restricted stock (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Individual:
Individual [Axis]
Document Annual Report
Document Annual Report
Entities [Table]
Entities [Table]
Amortization of below market leases
Amortization of Below Market Lease
La Jolla Commons I-II
La Jolla Commons One & Two [Member]
La Jolla Commons I & II
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Effect of dilutive securities-conversion of Operating Partnership units (in shares)
Incremental Common Shares Attributable To Conversion Of Operating Partnership Units
Incremental common shares attributable to conversion of Operating partnership units.
Percentage of ownership interests classified as noncontrolling
Subsidiary, Ownership Percentage, Noncontrolling Owner
Entity Interactive Data Current
Entity Interactive Data Current
$250.0 Million ATM
$250.0 Million ATM [Member]
$250.0 Million ATM [Member]
2028
Below Market Lease, Amortization Income, Year Three
2027
Below Market Lease, Amortization Income, Year Two
Bank of America, N.A.
Bank Of America, N.A. [Member]
Bank Of America, N.A.
Property, Plant and Equipment, Type [Axis]
Long-Lived Tangible Asset [Axis]
Mixed-Use
Total Mixed-Use
Mixed Use Segment [Member]
Mixed Use Segment [Member]
Ownership [Domain]
Ownership [Domain]
Initial Cost, Land
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land
ATM Equity Program [Axis]
ATM Equity Program [Axis]
Information on ATM Equity Program [Axis]
Year of Agreement, 13th
Future Year Period Two [Member]
Future year period two.
Leasing commissions accumulative amortization
Deferred Costs, Leasing, Accumulated Amortization
Maximum secured leverage ratio on revolving credit facility
Maximum Secured Leverage Ratio On Revolving Credit Facility
Maximum Secured Leverage Ratio On Revolving Credit Facility
Summary of Minimum Future Rentals From Noncancelable Operating Leases
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]
Term Loan A
Term Loan A [Member]
Term Loan A [Member]
Auditor [Table]
Auditor [Table]
Customer [Domain]
Customer [Domain]
Entity Central Index Key
Entity Central Index Key
PEO Name
PEO Name
Acquired lease intangible liabilities, net
Below Market Lease, Net
Scheduled Principal Payments on Notes Payable
Schedule of Maturities of Long-Term Debt [Table Text Block]
Total revenue
Revenues
Total revenue
Revenues
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]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Year of Agreement, 12th
Future Year Period One [Member]
Future year period one.
Summary of Acquiree Operating Results Since Acquisition Date
Schedule Of Acquiree Operating Results Since Acquisition [Table Text Block]
Schedule of Acquiree Operating Results since Acquisition [Table Text Block]
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
DENOMINATOR
Computation Of Basic And Diluted Earnings Per Share Denominator [Abstract]
Computation of basic and diluted earnings per share denominator.
Liabilities related to real estate assets held for sale
Real Estate, Held-for-Sale, Liabilities
Real Estate, Held-for-Sale, Liabilities
Schedule of Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table]
Period one
Share-Based Payment Arrangement, Tranche One [Member]
Office Building
Office Building [Member]
Exercise Price
Award Exercise Price
Entity Filer Category
Entity Filer Category
Term of office and retail leases
Term of Office and Retail Leases
Term of office and retail leases.
Unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Sale price
Disposal Group, Including Discontinued Operation, Consideration
Senior Guaranteed Notes, Series B
Senior Guaranteed Notes, Series B [Member]
Senior Guaranteed Notes, Series B
Change in security deposits payable
Increase (Decrease) In Security Deposits Payable
Increase (Decrease) In Security Deposits Payable
2028
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Vesting [Domain]
Vesting [Domain]
Pacific South Court
Pacific South Court [Member]
Pacific South Court [Member]
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]
Waikiki Beach Walk - Retail
Waikiki Beach Walk Retail [Member]
Waikiki Beach walk retail.
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Two
Coastal Collection at Torrey Reserve Building 5
Coastal Collection at Torrey Reserve Building 5 [Member]
Coastal Collection at Torrey Reserve Building 5
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Other Assets
Deferred Charges, Policy [Policy Text Block]
Investment Type Categorization [Domain]
Investments [Domain]
Shares withheld for employee taxes (in shares)
Units withheld for employee taxes (in shares)
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Summary of Properties Owned
Summary of Real Estate Investments
Schedule of Real Estate Properties [Table Text Block]
Ownership [Axis]
Ownership [Axis]
Senior Guaranteed Notes, Series A
Senior Guaranteed Notes, Series A [Member]
aat_SeniorGuaranteedNotes,SeriesA
DERIVATIVE AND HEDGING ACTIVITIES
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Name of Property [Domain]
Name of Property [Domain]
Fair Value as of Grant Date
Award Grant Date Fair Value
Coastal Collection at Torrey Reserve Building 6
Coastal Collection at Torrey Reserve Building 6 [Member]
Coastal Collection at Torrey Reserve Building 6
Summary of Principal Components of Other Income, Net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Deferred compensation
Deferred Compensation Liability, Current and Noncurrent
Torrey Point
Torrey Point [Member]
Torrey Point [Member]
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Interest rate swap asset
Fair Value
Interest Rate Derivative Assets, at Fair Value
Total operating expenses
Costs and Expenses
Forfeited, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Notes and loans, net
Long-Term Debt, Fair Value
Summary of Carrying Amount and Fair Value of Financial Instruments
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Counterparty Name [Domain]
Counterparty Name [Domain]
Carmel Country Plaza
Carmel Country Plaza [Member]
Carmel Country Plaza [Member]
2027
Lessee, Operating Lease, Liability, to be Paid, Year Two
Other Income
Other Income [Member]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Acquisition of real estate, net
Payments to Acquire Commercial Real Estate
Investment Type [Axis]
Investment Type [Axis]
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Number of units
Number of Units in Real Estate Property
General partners' capital, units outstanding (in shares)
General Partners' Capital Account, Units Outstanding
Aggregate offering price of common share
Aggregate Offering Price Of Common Share
Maximum aggregate offering price of common shares.
Total rental expenses
Rental Expense, Operating Expense
Rental Expense, Operating Expense
Prepaid expenses and other assets
Prepaid Expense and Other Assets
Non-PEO NEO
Non-PEO NEO [Member]
First period
Interest Rate, Year One [Member]
Interest Rate, Year One
Years of contract
Years Of Contract
Years of contract.
Sale of Stock [Axis]
Sale of Stock [Axis]
American Assets Trust, L.P.
American Assets Trust, L.P. [Member]
American Assets Trust, L.P. [Member]
Award Type [Domain]
Award Type [Domain]
2026
Lessee, Operating Lease, Liability, to be Paid, Year One
Noncontrolling interests
Equity, Attributable to Noncontrolling Interest
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Other, net
Other Noncash Income (Expense)
Thereafter
Below Market Lease, Amortization Income, after Year Five
Other liabilities and deferred credits
Other liabilities and deferred credits
Total other liabilities and deferred credits, net
Deferred Credits and Other Liabilities
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Compensation Amount
Outstanding Recovery Compensation Amount
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
REAL ESTATE
Real Estate Disclosure [Text Block]
Recognition of straight-line rents
Straight Line Rent
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Fair Value
Estimate of Fair Value Measurement [Member]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
OTHER ASSETS
Other Assets Disclosure [Text Block]
REVENUE:
Revenues [Abstract]
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Encumbrance as of December 31, 2025
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances
At The Market Equity Program
At The Market Equity Program [Member]
At The Market Equity Program [Member]
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
2026
Long-Term Debt, Maturity, Year One
Deferred tax liability
Deferred tax liabilities
Deferred Tax Liabilities, Gross
Del Monte Center
Del Monte Center [Member]
Del Monte Center.
Award Date [Domain]
Award Date [Domain]
2030
Long-Term Debt, Maturity, Year Five
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Reclassification of amortization of forward-starting swaps included in interest expense, net
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Minimum
Minimum [Member]
Genesee Park
Genesee Park [Member]
Genesee Park
Repayment of unsecured notes payable
Repayments of Notes Payable
Company Selected Measure Name
Company Selected Measure Name
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Weighted average unvested shares outstanding (in shares)
Weighted Average Unvested Participating Securities Outstanding
Weighted average unvested participating securities outstanding.
DEBT
Debt Disclosure [Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Purchase Commitment, Excluding Long-term Commitment [Domain]
Purchase Commitment, Excluding Long-Term Commitment [Domain]
Cash paid for amounts included in the measurement of lease liabilities
Operating Lease, Payments
COMPONENTS OF RENTAL INCOME AND EXPENSE
Components Of Rental Income And Expense [Text Block]
The entire disclosure of the principle components of rental income and/or rental expense recognized for the period.
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Net income attributable to common stockholders—diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Ordinary income
Ordinary Income Dividends Percentage
Ordinary Income, Dividends, Percentage
American Assets, Inc.
American Assets, Inc. [Member]
American Assets, Inc. [Member]
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Period two
Share-Based Payment Arrangement, Tranche Two [Member]
Properties owned through noncontrolling interest
Number Of Properties Owned Through Noncontrolling Interests In Entities
Number Of Properties Owned Through Noncontrolling Interests In Entities
Weighted average shares of common stock outstanding - diluted (in shares)
Weighted average units outstanding - diluted (in shares)
Weighted average common shares outstanding - diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Segment Information
Segment Reporting, Policy [Policy Text Block]
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Furniture, fixtures, and equipment
Furniture and Fixtures, Gross
Entity Small Business
Entity Small Business
La Jolla Commons III
La Jolla Commons Three [Member]
La Jolla Commons III
Limited partners' capital, units issued (in shares)
Limited Partners' Capital Account, Units Outstanding
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
2030
Below Market Lease, Amortization Income, Year Five
State
Current State and Local Tax Expense (Benefit)
Document Transition Report
Document Transition Report
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Total interest costs incurred
Interest Costs Incurred
Underlying Securities
Award Underlying Securities Amount
Equity Component [Domain]
Equity Component [Domain]
Document Period End Date
Document Period End Date
INCOME TAXES
Income Tax Disclosure [Text Block]
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss
Other intangible assets, net of accumulated amortization of $2,361 and $2,062, respectively
Other Finite-Lived Intangible Assets, Gross
LPL Holdings, Inc., Autodesk, Inc., and Smartsheet, Inc.
LPL Holdings, Inc., Autodesk, Inc., and Smartsheet, Inc. [Member]
LPL Holdings, Inc., Autodesk, Inc., and Smartsheet, Inc.
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Cash balance at banks, excess of FDIC insured limit
Cash, Uninsured Amount
Total equity
Beginning balance
Ending balance
Equity, Including Portion Attributable to Noncontrolling Interest
Document Type
Document Type
Level 3
Fair Value, Inputs, Level 3 [Member]
Name
Outstanding Recovery, Individual Name
Business Combination, Intangible Asset, Acquired, Finite-Lived
Business Combination, Intangible Asset, Acquired, Finite-Lived [Table]
Secured Notes Payable
Notes Payable
Hotel revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Percentage rent
Operating Lease, Variable Lease Income
Other Liabilities Disclosure [Abstract]
Other Liabilities Disclosure [Abstract]
Alamo Quarry Market and Waikele Center
Alamo Quarry Market and Waikele Center [Member]
Alamo Quarry Market and Waikele Center [Member]
Maximum leverage ratio of revolving credit facility
Line Of Credit Facility Maximum Leverage Percentage
Maximum leverage percentage of revolving credit facility.
Fixed interest rate on derivative
Derivative, Fixed Interest Rate
Investment in WBW CHP LLC, in percentage
Percentage Of Investment In Related Party
Percentage of investment in related party.
Fair Value Inputs Disclosures
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
AAI Aviation, Inc.
AAI Aviation, Inc. [Member]
AAI Aviation Inc [Member]
Shares withheld for employee taxes
Payment, Tax Withholding, Share-Based Payment Arrangement
Years in hotel management agreement term
Years In Hotel Management Agreement Term
Years in hotel management agreement term.
Rental operating
Direct Costs of Leased Property, Lessor, Expense
Direct Costs of Leased Property, Lessor, Expense
Summary of Components of Other Assets
Schedule of Other Assets [Table Text Block]
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS
Net Income (Loss) Available to Common Stockholders, Basic
Below market leases
Below Market Lease, Gross
Entity Information [Line Items]
Entity Information [Line Items]
Schedule of Segment Activity
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Operating expenses
Operating Expenses
Level 1
Fair Value, Inputs, Level 1 [Member]
Related Party Transaction
Related Party Transaction [Table]
Diluted income attributable to common stockholders per share (in USD per share)
Earnings per unit, diluted (in USD per share)
Net income per share attributable to common stockholders - diluted (in USD per share)
Earnings Per Share, Diluted
2030
Lessor, Operating Lease, Payment to be Received, Year Five
Minimum fixed charge coverage ratio covenant threshold
Minimum Fixed Charge Coverage Ratio On Revolving Credit Facility
Minimum Fixed Charge Coverage Ratio On Revolving Credit Facility
Net income attributable to unitholders in the Operating Partnership
Less: Income attributable to unitholders in the Operating Partnership
Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Redeemable
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Auditor Location
Auditor Location
Proceeds from unsecured line of credit
Borrowings
Proceeds from Unsecured Lines of Credit
2029
Below Market Lease, Amortization Income, Year Four
Total segments’ profit
Gross Profit
Prepaid expenses, deposits and other
Prepaid Expense
General partners' capital, units issued (in shares)
General Partners' Capital Account, Units Issued
Rental Income
Rental Income [Table]
Rental Income [Table]
Pacific Torrey Daycare
Pacific Torrey Daycare [Member]
Pacific Torrey Daycare [Member]
NUMERATOR
Computation Of Basic And Diluted Earnings Per Share Numerator [Abstract]
Computation of basic and diluted earnings per share numerator.
Imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Schedule of Reconciliation of Segment Profit to Net Income Attributable to Stockholders
Reconciliation Of Segment Profit To Net Income Attributable To Stockholders Table [Table Text Block]
Reconciliation of segment profit to net income attributable to stockholders.
2027
Finite-Lived Intangible Asset, Expected Amortization, Year Two
Principal Balance
Long-Term Debt, Gross
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Weighted-average amortization period of acquired leases
Acquired Finite-Lived Intangible Asset, Weighted-Average Period before Renewal or Extension
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Base Rent
Total Base Rent [Member]
Total Base Rent
Expiration Date
Trading Arrangement Expiration Date
Maximum aggregate debt ratio
Debt Instrument, Covenants, Maximum Aggregate Debt Ratio
Debt Instrument, Covenants, Maximum Aggregate Debt Ratio
Accumulated Depreciation and Amortization
Balance, beginning of period
Balance, end of period
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation
2030
Finite-Lived Intangible Asset, Expected Amortization, Year Five
EQUITY:
Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Lease incentives, accumulated amortization
Lease Incentive Accumulated Amortization
Lease Incentive Accumulated Amortization
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Change in accounts receivable
Change in accounts receivable and deferred rent receivables
Increase (Decrease) in Accounts Receivable
Lomas Santa Fe Plaza
Lomas Santa Fe Plaza [Member]
Lomas Santa Fe Plaza [Member]
Lease incentives, net of accumulated amortization of $1,239 and $1,171, respectively
Incentive to Lessee
Entity Current Reporting Status
Entity Current Reporting Status
The Landmark at One Market
Land Mark At One Market [Member]
Land mark at one market.
Termination notice period
Termination Notice Period
Termination Notice Period
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Real estate assets held for sale
Real Estate, Held-for-Sale
Senior Guaranteed Notes
Senior Guaranteed Notes [Member]
Senior Guaranteed Notes [Member]
Quarterly Financial Information [Line Items]
Quarterly Financial Information [Line Items]
[Line Items] for Quarterly Financial Information [Table]
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, Noncash Item [Abstract]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Executive Category:
Executive Category [Axis]
COMPREHENSIVE INCOME
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Current Fiscal Year End Date
Current Fiscal Year End Date
Hotel operating
Other Cost of Operating Revenue
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Pacific Ridge Apartments
Pacific Ridge Apartments [Member]
Pacific Ridge Apartments [Member]
Nonvested, Weighted Average Grant Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Equity incentive award plan, common stock available for future issuance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Real Estate Property, Ownership
Real Estate Property, Ownership [Table]
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Lessor, Lease, Description [Line Items]
Lessor, Lease, Description [Line Items]
Summary of Financial Liabilities Measured at Fair Value on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Summary of Other Liabilities and Deferred Credits
Other Liabilities And Deferred Credits Table [Table Text Block]
Tabular disclosure of other liabilities and deferred credits not separately disclosed on the balance sheet.
Proceeds from debt, net of issuance costs
Proceeds from Debt, Net of Issuance Costs
Payment for management fee
Property Management Fee, Monthly Fee
Property Management Fee, Monthly Fee
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
2027
Long-Term Debt, Maturity, Year Two
LEASES
Lessee, Operating Leases [Text Block]
Net cash (used in) provided by financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Measure:
Measure [Axis]
WBW CHP LLC
WBW CHP LLC [Member]
WBW CHP LLC
Pacific VC
Pacific Vc [Member]
Pacific Vc [Member]
Thereafter
Finite-Lived Intangible Asset, Expected Amortization, after Year Five
Property, Plant and Equipment, Type [Domain]
Long-Lived Tangible Asset [Domain]
Deferred rent receivables, net
Deferred Rent Receivables, Net
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
SCHEDULE III-Consolidated Real Estate and Accumulated Depreciation
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Entity Tax Identification Number
Entity Tax Identification Number
Number of office, retail, multifamily and mixed-use operating properties
Number of Real Estate Properties
Outrigger Hotels
Outrigger Hotels And Resorts [Member]
Outrigger hotels and resorts.
Non-controlling common units (in shares)
Shares Held By Minority Interest In Operating Partnerships
Shares held by minority interest in Operating partnerships.
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Weighted-average remaining lease term - operating leases (in years)
Operating Lease, Weighted Average Remaining Lease Term
2029
Long-Term Debt, Maturity, Year Four
Current:
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Net settlement payment
Proceeds from Legal Settlements
Properties owned through controlling interest
Number Of Properties Owned Through Controlling Interests In Entities
Number Of Properties Owned Through Controlling Interests In Entities
Entity Public Float
Entity Public Float
Trading Arrangement:
Trading Arrangement [Axis]
Total Shareholder Return Amount
Total Shareholder Return Amount
Rental income
Total rental income
Operating Lease, Lease Income
Fair value assumptions, interest rate
Debt Instrument, Measurement Input
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Security Exchange Name
Security Exchange Name
Below Market Leases
Below Market Lease, Net, Amortization Income, Fiscal Year Maturity [Abstract]
Tenant improvements
Tenant Improvements
Accumulated amortization
Accumulated Amortization, Debt Issuance Costs
2027
Lessor, Operating Lease, Payment to be Received, Year Two
Retail Site
Retail Site [Member]
Note offering percent
Debt Instrument, Face Issuance Percent
Debt Instrument, Face Issuance Percent
Solana Crossing I-II
Solana Beach Corporate Centre One To Two [Member]
Solana Beach corporate centre one to two.
PARTNERS' CAPITAL OF AMERICAN ASSETS TRUST, L.P.
Partners' Capital Notes Disclosure [Text Block]
Borrowings (up to)
Line of Credit Facility, Maximum Borrowing Capacity
Stock-based compensation
Partners' Capital Account, Unit-Based Payment Arrangement, Amount
Weighted average interest rate
Line of Credit Facility, Interest Rate During Period
Series F Notes
Series F Notes [Member]
Series F Notes
Statement [Line Items]
Statement [Line Items]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents
Cash and Cash Equivalent
Solana Crossing III-IV
Solana Beach Corporate Centre Three To Four [Member]
Solana Beach Corporate Centre III-IV
Fair Value Inputs, Assets, Quantitative Information
Fair Value Measurement Inputs and Valuation Techniques [Table]
General partner's capital, 61,390,936 and 61,138,238 units issued and outstanding as of December 31, 2025 and December 31, 2024, respectively
General Partners' Capital Account
Common Shares
Common Stock [Member]
Vested, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Accumulated depreciation
Real Estate Investment Property, Accumulated Depreciation
Net (decrease) increase in cash, cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Amount per Share/Unit (in dollars per unit)
Total (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
South Bay Marketplace
South Bay Marketplace [Member]
South Bay Marketplace.
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Timber Springs
Timber Springs [Member]
Timber Springs
Real Estate [Domain]
Real Estate [Domain]
Interest Rate Swap
Interest Rate Swap [Member]
Impairment of Long Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
OTHER INCOME
Other Income and Other Expense Disclosure [Text Block]
Leases [Abstract]
Leases [Abstract]
EARNINGS PER COMMON SHARE, BASIC
Earnings Per Share, Basic [Abstract]
2029
Lessor, Operating Lease, Payment to be Received, Year Four
Intangible Asset, Acquired, Finite-Lived [Line Items]
Intangible Asset, Acquired, Finite-Lived [Line Items]
Senior Guaranteed Notes, Series D
Senior Guaranteed Notes, Series D [Member]
Senior Guaranteed Notes, Series D [Member]
Gross Carrying Amount, Land
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount
Accrued leasing commissions
Increase (Decrease) Accrued Leasing Commissions
Change in accrued leasing commissions
Interest expense, net
Interest expense, net
Interest expense, net
Interest Income (Expense), Nonoperating
Real estate assets held for sale
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation in Real Estate Held-for-Sale
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation in Real Estate Held-for-Sale
Shares withheld for employee taxes
Units withheld for employee taxes
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Basic income attributable to common stockholders per share (in USD per share)
Earnings per unit, basic (in USD per share)
Net income per share attributable to common stockholders - basic (in USD per share)
Earnings Per Share, Basic
Change in accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Award Date [Axis]
Award Date [Axis]
Deferred:
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Second period
Interest Rate, Year Two [Member]
Interest Rate, Year Two
Redemption ratio
Stock Redemptions, Stock Units, Redeemed For Stock, Redemption Ratio
Stock Redemptions, Stock Units, Redeemed For Stock, Redemption Ratio
Number of leases
Number Of Leases
Number Of Leases
Wbw Hotel Lessee Llc
Wbw Hotel Lessee Llc [Member]
WBW Hotel Lessee LLC.
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Accumulated accretion
Below Market Lease, Accumulated Amortization
First & Main
First And Main [Member]
First and main.
Hedging Designation [Domain]
Hedging Designation [Domain]
Secured notes payable, net
Secured Debt
TOTAL LIABILITIES AND EQUITY
Liabilities and Equity
Hotel management agreement default penalty factor of previous twelve months of management fees in twelfth year of term
Hotel Management Agreement Default Penalty Fact Or Of Previous Twelve Months Of Management Fees In Twelfth Year Of Term
Hotel management agreement default penalty fact or of previous twelve months of Management fees in twelfth year of term.
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Hotel management agreement default penalty factor of previous twelve months of management fees in thirteenth year of term
Hotel Management Agreement Default Penalty Fact Or Of Previous Twelve Months Of Management Fees In Thirteenth Year Of Term
Hotel management agreement default penalty fact or of previous twelve months of Management fees in thirteenth year of term.
Derivative, Interest Rate Period [Domain]
Derivative, Interest Rate Period [Domain]
Derivative, Interest Rate Period [Domain]
Capital Expenditures
Segment, Expenditure, Addition to Long-Lived Assets
Other
Other Real Estate Rental Revenue
Other real estate rental revenue.
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Summary of Current Annual Payments Under Operating Leases
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Forward Contracts
Forward Contracts [Member]
Pay vs Performance Disclosure [Line Items]
Lease liability
Present value of lease liability
Operating Lease, Liability
Santa Fe Park RV Resort
Santa Fe Park Rv Resort [Member]
Santa Fe Park Rv Resort [Member]
Total
Lessor, Operating Lease, Payment to be Received
Solana Crossing Land
Solana Beach Corporate Centre Land [Member]
Solana Beach Corporate Centre Land [Member]
LIABILITIES:
Liabilities [Abstract]
Depreciation and amortization
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Real Estate
Real Estate, Policy [Policy Text Block]
Other
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction
Auditor [Line Items]
Auditor [Line Items]
Number of calendar months termination fee is based
Calendar Months
Calendar months.
Real estate assets
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Company Selected Measure Amount
Company Selected Measure Amount
2028
Lessee, Operating Lease, Liability, to be Paid, Year Three
Comprehensive income attributable to American Assets Trust, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Commitment And Contingencies
Commitment And Contingencies [Table]
Commitment And Contingencies [Table]
Compensation Related Costs Share Based Payments Disclosure [Table]
Compensation Related Costs Share Based Payments Disclosure [Table]
Compensation Related Costs Share Based Payments Disclosure [Table]
Security deposits payable
Security deposits payable
Security Deposit Liability
Name
Measure Name
Secured notes payable
Secured Debt [Member]
Gateway Marketplace
Gateway Marketplace [Member]
Gateway Marketplace [Member]
Partner Capital Components [Domain]
Partner Capital Components [Domain]
Unsecured term loan
Unsecured Debt [Member]
Minimum rents
Lease rental income
Lease rental income
Total Secured Notes Payable
Long-Term Debt
Make-whole payment
Make Whole Payment for Debt Extinguishment
Make Whole Payment for Debt Extinguishment
Capital gain (in USD per share)
Capital Gain Dividends Per Share
Capital Gain, Dividends, Per Share
Legal Entity [Axis]
Legal Entity [Axis]
Multifamily
Total Multifamily
Multifamily Segment [Member]
Multifamily Segment [Member]
TOTAL ASSETS
Assets
2026
Finite-Lived Intangible Asset, Expected Amortization, Year One
December 4, 2024, One
December 4, 2024, One [Member]
December 4, 2024, One
Vested (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Real Estate [Table]
Real Estate [Table]
Restricted Cash
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Total lease cost
Lease Income (Cost)
Lease Income (Cost)
Geographical [Domain]
Geographical [Domain]
Total capital
Beginning balance
Ending balance
Partners' Capital
Third Amended and Restated Credit Facility
Third Amended and Restated Credit Facility [Member]
Third Amended and Restated Credit Facility
Weighted-average amortization period of below market leases
Acquired Finite-Lived Intangible Liabilities, Below Market Leases, Weighted Average Period Before Renewal Or Extension
Acquired Finite-Lived Intangible Liabilities, Below Market Leases, Weighted Average Period Before Renewal Or Extension
Income Taxes
Income Tax, Policy [Policy Text Block]
OPERATING ACTIVITIES
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Additions—depreciation
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Series G Notes
Series G Notes [Member]
Series G Notes
Total real estate, at cost
Real Estate Investment Property, at Cost
Distributions
Partners' Capital Account, Distributions
General Partner
General Partner [Member]
2029
Finite-Lived Intangible Asset, Expected Amortization, Year Four
Marketing
Marketing Expense
Variable Interest Entities
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Level 2
Fair Value, Inputs, Level 2 [Member]
Document Financial Statement Error Correction [Flag]
Document Financial Statement Error Correction [Flag]
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Related Party
Related Party [Member]
Maximum secured debt ratio
Debt Instrument, Covenants, Maximum Secured Debt Ratio
Debt Instrument, Covenants, Maximum Secured Debt Ratio
Summary of Income Tax Provision
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Plus: Income attributable to unitholders in the Operating Partnership
Minority Interest In Continuing Operations Income Loss Operating Partnerships - Diluted
Minority Interest In Continuing Operations Income Loss Operating Partnerships - Diluted
PEO
PEO [Member]
Supplemental schedule of noncash investing and financing activities
Noncash Investing and Financing Items [Abstract]
Land improvements
Land Improvements
Number of employees
Entity Number of Employees
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]
Limited partners' capital, units outstanding (in shares)
Limited Partners' Capital Account, Units Issued
Accumulated Dividends in Excess of Net Income
Retained Earnings [Member]
Rental Income [Line Items]
Rental Income [Line Items]
Rental Income [Line Items]
Summary of Selected Quarterly Information
Quarterly Financial Information [Table Text Block]
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Income Statement [Abstract]
Interest rate swap asset
Derivative Asset
Payment price
Payment for Acquisition, Real Estate, Held-for-Investment
Sale of Stock [Domain]
Sale of Stock [Domain]
Above Market Leases
Above Market Leases [Member]
Customer Concentration Risk
Customer Concentration Risk [Member]
NET INCOME
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
2028
Lessor, Operating Lease, Payment to be Received, Year Three
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Deferred compensation liability
Liabilities, Fair Value Disclosure
Notional amount
Notional Amount
Derivative, Notional Amount
Previous months of management fees
Previous Months Of Management Fees
The previous months management fees used in the calculation of the management cancellation fee.
Operating cash flow information:
Cash Flow, Operating Activities, Lessee [Abstract]
Partial debt repayment, minimum percentage of principal
Debt Instrument, Partial Repayment, Minimum Percentage of Principal
Debt Instrument, Partial Repayment, Minimum Percentage of Principal
Hotel management agreement default penalty factor of previous twelve months of management fees in fifteenth year of term
Hotel Management Agreement Default Penalty Factor Of Previous Twelve Months Of Management Fees In Fifteenth Year Of Term
Hotel management agreement default penalty factor of previous twelve months of Management fees in fifteenth year of term.
Lease extension options exercise period
Lease Extension Options Exercise Period
The period which lease extension options can be exercisable.
City Area Code
City Area Code
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Operating real estate
Rental Properties
Buildings
Buildings and Improvements, Gross
INVESTING ACTIVITIES
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
General and administrative
General and administrative
General and Administrative Expense
Residential Property
Residential Property [Member]
Residential Property.
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Held for development
Land Available for Development
Operating Lease, Liability, Statement of Financial Position [Extensible List]
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]
Sold
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Pacific North Court
Pacific North Court [Member]
Pacific North Court [Member]
Cash Flow Hedging
Cash Flow Hedging [Member]
Other liabilities
Other Liabilities
Summary of Lease Costs Under Operating Leases and Supplemental Cash Flow Information of Leases
Lease, Cost [Table Text Block]
Federal
Deferred Federal Income Tax Expense (Benefit)
Wells Fargo Bank, N.A.
Wells Fargo Bank, N.A. [Member]
Wells Fargo Bank, N.A. [Member]
Lease intangibles
Finite-Lived Intangible Asset, Acquired-in-Place Leases
ATM Equity Program [Domain]
ATM Equity Program [Domain]
[Domain] for Information on ATM Equity Program [Axis]
Derivative, Interest Rate Period [Axis]
Derivative, Interest Rate Period [Axis]
Derivative, Interest Rate Period
Auditor Name
Auditor Name
Gains on sale
Gains (Losses) on Sales of Investment Real Estate
Supplemental cash flow information
Supplemental Cash Flow Information [Abstract]
Other Performance Measure, Amount
Other Performance Measure, Amount
Debt issuance costs
Payments of Debt Issuance Costs
The aggregate tax basis for Federal tax purposes
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis
Fair Value of Financial Instruments
Fair Value Measurement, Policy [Policy Text Block]
2026
Lessor, Operating Lease, Payment to be Received, Year One
Related and Nonrelated Parties [Domain]
Related and Nonrelated Parties [Domain]
One Beach Street
One Beach Street [Member]
One Beach Street.
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Return of capital
Return Of Capital Dividends Percentage
Return of Capital Dividends Percentage
Audit Information [Abstract]
Audit Information
Interest capitalized
Interest Costs Capitalized Adjustment
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Vesting [Axis]
Vesting [Axis]
Financial Instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Additional paid-in capital
Additional Paid in Capital, Common Stock
Entity [Domain]
Entity [Domain]
Net cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
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 amounts capitalized
Interest Paid, Excluding Capitalized Interest, Operating Activity
Term Loan C
Term Loan C [Member]
Term Loan C [Member]
Document Fiscal Year Focus
Document Fiscal Year Focus
Right-of-use lease asset, net
Operating Lease, Right-of-Use Asset
EQUITY OF AMERICAN ASSETS TRUST, INC.
Shareholders' Equity and Share-Based Payments [Text Block]
Waikele Center
Waikele Center [Member]
Waikele center.
Senior unsecured notes, net
3.375% Senior Unsecured Notes
3.375% Senior Unsecured Notes [Member]
3.375% Senior Unsecured Notes
Operating lease cost
Operating Lease, Cost
Carrying Value
Reported Value Measurement [Member]
Term of apartment leases
Term of Apartment Leases
Term of apartment leases.
Unrecognized compensation expense, weighted-average recognition period (in years)
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Real estate, at cost
Real Estate [Abstract]
Equity [Abstract]
Equity [Abstract]
Derivative Instruments
Derivatives, Policy [Policy Text Block]
SEGMENT REPORTING
Segment Reporting Disclosure [Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Federal
Current Federal Tax Expense (Benefit)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Minimum debt service ratio
Debt Instrument, Covenants, Minimum Debt Service Ratio
Debt Instrument, Covenants, Minimum Debt Service Ratio
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Remaining capacity available for issuance
Remaining Capacity To Issue
Remaining $ Capacity Of Shares To Issue
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Equity [Table]
Equity [Table]
Equity [Table]
Amortization of acquired above and below market leases
Amortization of Intangible Assets
Mariner’s Point
Mariners Point [Member]
Mariners point.
Senior Guaranteed Notes, Series C
Senior Guaranteed Notes, Series C [Member]
Senior Guaranteed Notes, Series C [Member]
Provision for uncollectable rental income
Net Investment in Lease, Credit Loss Expense (Reversal)
Term Loan B & Term Loan C
Term Loan B & Term Loan C [Member]
Term Loan B & Term Loan C [Member]
Capital expenditures
Payments for Capital Improvements
Depreciation and amortization
Depreciation, Depletion and Amortization
Increase (Decrease) in Partners' Capital [Roll Forward]
Increase (Decrease) in Partners' Capital [Roll Forward]
Alamo Quarry Market
Alamo Quarry Market [Member]
Alamo Quarry Market.
Revolving Credit Facility
Revolving Credit Facility [Member]
Partner Capital Components [Axis]
Partner Capital Components [Axis]
Arrangement Duration
Trading Arrangement Duration
Extension term
Debt Instrument, Extension Term
Debt Instrument, Extension Term
Business Segments [Axis]
Segments [Axis]
Other noncash interest expense, net
Other Non-Cash Interest Expense
Other Non-Cash Interest Expense
Annualized base rent reporting percentage
Concentration Risk, Reporting Threshold Percentage
Concentration Risk, Reporting Threshold Percentage
Limited Partners
Limited Partner [Member]
Local Phone Number
Local Phone Number
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Thereafter
Long-Term Debt, Maturity, after Year Five
Limited partners' capital, 16,181,537 and 16,181,537 units issued and outstanding as of December 31, 2025 and December 31, 2024, respectively
Limited Partners' Capital Account
Acquired below market leases, net
Off-Market Lease, Unfavorable
Series D Notes
Series D Notes [Member]
Series D Notes
Revolver Loan
Revolver Loan [Member]
Revolver Loan
ASSETS
Assets [Abstract]
Proceeds from unsecured term loan
Proceeds from Issuance of Unsecured Debt
Credit Facility [Axis]
Credit Facility [Axis]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Debt Instrument [Axis]
Debt Instrument [Axis]
Average rental rate amount
Lessor, Operating Lease, Average Annual Rental Rate
Lessor, Operating Lease, Average Annual Rental Rate
Forfeited (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
FAIR VALUE OF FINANCIAL INSTRUMENTS
Fair Value Disclosures [Text Block]
Credit Facility [Domain]
Credit Facility [Domain]
American Assets Trust, Inc. stockholders' equity
Equity, Attributable to Parent [Abstract]
Award vesting rights
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Prepaid rent and deferred revenue
Deferred Revenue
Stated Interest Rate
Debt Instrument, Interest Rate, Stated Percentage
Summary of Dividends Declared and Paid on Shares of Common Stock and Noncontrolling Common Units
Dividends Declared And Paid On Shares Of Common Stock And Noncontrolling Common Units Table [Table Text Block]
Dividends declared and paid on shares of common stock and noncontrolling common units.
Entity Voluntary Filers
Entity Voluntary Filers
CAPITAL:
Partners' Capital [Abstract]
14Acres
14Acres [Member]
14Acres
Ordinary income (in USD per share)
Ordinary Income Dividends Per Share
Ordinary Income, Dividends, Per Share
Termination payment, as high as
Loss on Contract Termination for Default
Land
Land
Accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss
Entity Registrant Name
Entity Registrant Name
Reclassified within twelve months
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Number of extensions available
Debt Instrument, Extension Options
Debt Instrument, Extension Options
Treasury Locks
Treasury Lock [Member]
Schedule of Net Real Estate and Secured Note Payable Balances by Segments
Net Real Estate And Secured Note Payable Balances By Segment Table [Table Text Block]
Tabular disclosure of the net real estate and secured note payable balances by segment.
Other
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction
Property management fee, percent
Property Management Fee, Percent Fee
EDisability, LLC
EDisability, LLC [Member]
EDisability, LLC [Member]
Loma Palisades
Loma Palisades [Member]
Loma palisades.
Number of operating segments
Number of Operating Segments
Summary of Notes Payable Outstanding
Schedule of Debt [Table Text Block]
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Axis]
Granted (in USD 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
Business and Organization
Business And Organization, Policy [Policy Text Block]
Business and organization.
Restatement Determination Date:
Restatement Determination Date [Axis]
Summary of Interest Rate Swap Terms
Schedule of Interest Rate Derivatives [Table Text Block]
Capital gain
Capital Gain Dividends Percentage
Capital Gain, Dividends, Percentage
Leasing commissions
Increase (Decrease) in Lease Acquisition Costs
Name
Trading Arrangement, Individual Name
Face amount of debt
Debt Instrument, Face Amount
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Nonvested, Beginning, Weighted Average Grant Date Fair Value (in USD per Share)
Nonvested, End of Year, Weighted Average Grant Date Fair Value (in USD per Share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
December 4, 2024, Two
December 4, 2024, Two [Member]
December 4, 2024, Two
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Hotel management agreement default penalty factor of previous twelve months of management fees in first 11 years of term
Hotel Management Agreement Default Penalty Fact Or Of Previous Twelve Months Of Management Fees In First Eleven Years Of Term
Hotel management agreement default penalty fact or of previous twelve months of Management fees in first eleven years of term.
Operating Partnership Units
Operating Partnership Units [Member]
Operating Partnership Units [Member]
Return of capital (in USD per share)
Return Of Capital Dividends Per Share
Return of Capital, Dividends, Per Share
Hawaii excise tax
Excise and Sales Taxes
Lessor, Lease, Description [Table]
Lessor, Lease, Description [Table]
Auditor Firm ID
Auditor Firm ID
Segment [Domain]
Segments [Domain]
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Axis]
Line Of Credit Future Time Period [Axis]
Line Of Credit Future Time Period [Axis]
Line Of Credit Future Time Period [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Acquired lease intangible assets
Finite-Lived Intangible Asset, off-Market Lease, Favorable, Gross
Amortization of debt issuance costs and debt discounts
Amortization of Debt Issuance Costs and Discounts
Senior Guaranteed Notes, Series E
Senior Guaranteed Notes, Series E [Member]
Senior Guaranteed Notes, Series E [Member]
Unsecured senior guaranteed notes
Senior Notes [Member]
Minimum interest coverage ratio covenant threshold
Minimum Unsecured Interest Coverage Ratio
Minimum Unsecured Interest Coverage Ratio
Real estate, held-for-investment, closing costs
Real Estate, Held-for-Investment, Closing Costs
Real Estate, Held-for-Investment, Closing Costs
All Executive Categories
All Executive Categories [Member]
Other property income
Other Operating Income
Common stock, $0.01 par value, 490,000,000 shares authorized, 61,390,936 and 61,138,238 shares issued and outstanding at December 31, 2025 and December 31, 2024, respectively
Common Stock, Value, Issued
Percentage of hotel occupancy gross revenue paid for franchise royalty fee
Percentage Of Hotel Occupancy Gross Revenue Paid For Franchise Royalty Fee
Percentage of hotel occupancy gross revenue paid for franchise royalty fee.
Commitments and contingencies (Note 12)
Commitments and Contingencies
Change in other liabilities and deferred credits
Increase (Decrease) in Other Deferred Liability
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Real estate assets held for sale
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Held-for-Sale
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Held-for-Sale
Noncontrolling Interests - Unitholders in the Operating Partnership
Noncontrolling Interest [Member]
Interest rate swap liability
Interest Rate Derivative Liabilities, at Fair Value
Geary Marketplace
Geary Marketplace [Member]
Geary marketplace.
Summary of Principal Components of Rental Income
Components Of Rental Income Table [Table Text Block]
Components of rental income.
Thereafter
Lessor, Operating Lease, Payment to be Received, after Year Five
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Year of Agreement, 14th
Future Year Period Three [Member]
Future year period three.
EARNINGS PER COMMON SHARE, DILUTED
Earnings Per Share, Diluted [Abstract]
Exercised extension option term
Lessee, Operating Leases, Exercised Extension Option Term
Lessee, Operating Leases, Exercised Extension Option Term
Hedging Designation [Axis]
Hedging Designation [Axis]
Forfeiture of restricted stock
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures
Summary of Purchase Price Allocation
Asset Acquisition [Table Text Block]
Federal Funds Rate
Federal Funds Rate [Member]
Interest based on Federal Funds Rate.
Derivative Contract [Domain]
Derivative Contract [Domain]
Term of lease
Lessor, Operating Lease, Term of Contract
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period
All Individuals
All Individuals [Member]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Name
Forgone Recovery, Individual Name
Settlement of treasury locks
Unrealized Gain (Loss) on Derivatives
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]
Minimum maintenance of total unencumbered assets
Debt Instrument, Covenants, Minimum Maintenance Of Total Unencumbered Assets
Debt Instrument, Covenants, Minimum Maintenance Of Total Unencumbered Assets
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Gain on sale of real estate
Gain on sale of real estate
Gain (Loss) on Sale of Properties
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Intangible Asset, Finite-Lived [Table]
Intangible Asset, Finite-Lived [Table]
Geographical [Axis]
Geographical [Axis]
QUARTERLY FINANCIAL INFORMATION (UNAUDITED)
Quarterly Financial Information [Text Block]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
LEASES
Lessor, Operating Leases [Text Block]
Partner Type of Partners' Capital Account, Name [Domain]
Partner Type of Partners' Capital Account, Name [Domain]
Second Amended and Restated Credit Facility
Second Amended and Restated Credit Facility [Member]
Second Amended and Restated Credit Facility [Member]
Lloyd Portfolio
Lloyd District Portfolio [Member]
Lloyd District Portfolio.
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Title of 12(b) Security
Title of 12(b) Security
Percentage of taxable income required to distribute to qualify as real estate investment trust (REIT)
Percentage Of Distributed Taxable Income To Qualify As Reit
Percentage Of Distributed Taxable Income To Qualify As Reit
Dividends declared and paid
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings
Acquired lease, below market renewal options
Finite-Lived Intangible Liabilities, Below Market Leases, Renewal Options
Finite-Lived Intangible Liabilities, Below Market Leases, Renewal Options
2030
Lessee, Operating Lease, Liability, to be Paid, Year Five
Ownership percent by parent
Subsidiary, Ownership Percentage, Parent
Hotel management agreement default penalty factor of previous twelve months of management fees in fourteenth year of term
Hotel Management Agreement Default Penalty Fact Or Of Previous Twelve Months Of Management Fees In Fourteenth Year Of Term
Hotel management agreement default penalty fact or of previous twelve months of Management fees in fourteenth year of term.
Maximum unsecured leverage ratio (in percentage)
Maximum Unsecured Leverage Ratio
Maximum Unsecured Leverage Ratio
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Information Disclosure [Abstract]
Hawaii
HAWAII
Summary of Restricted Common Stock
Nonvested Restricted Stock Shares Activity [Table Text Block]
Mr. Rady And Affiliates
Mr. Rady And Affiliates [Member]
Mr. Rady And Affiliates
Award Timing Disclosures [Line Items]
Leases
Lease Agreements [Member]
Capitalized Costs
Oil and Gas, Internal Cost Capitalization [Policy Text Block]
Partner Type [Axis]
Partner Type [Axis]
State
Deferred State and Local Income Tax Expense (Benefit)
Net income attributable to American Assets Trust, Inc. stockholders
Net Income (Loss) Attributable to Parent
Net real estate
Net real estate
Real Estate Investment Property, Net
Balance, beginning of period
Balance, end of period
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross
Hassalo on Eighth - Retail
Hassalo on Eighth - Retail [Member]
Hassalo on Eighth - Retail [Member]
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Adoption Date
Trading Arrangement Adoption Date
Base Rate
Base Rate [Member]
Improvements
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements
Customer [Axis]
Customer [Axis]
Amortization of acquired above and below market leases
Recognition of amortization of above and below market leases
Amortization of above and below Market Leases
OPERATING INCOME
Operating income
Operating Income (Loss)
Capital Unit [Line Items]
Capital Unit [Line Items]
Unsecured line of credit, net
Line of Credit [Member]
Summary of Principal Components of Rental Expenses
Components Of Rental Expense Table [Table Text Block]
Components of rental expense.
Deferred Compensation
Compensation Related Costs, Policy [Policy Text Block]
Accumulated dividends in excess of net income
Retained Earnings (Accumulated Deficit)
Name of Property [Axis]
Name of Property [Axis]
Maximum recourse indebtedness of total asset value
Maximum Recourse Indebtedness Of Total Asset Value
Maximum Recourse Indebtedness Of Total Asset Value
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]
Revenue Recognition and Accounts Receivable
Revenue Recognition, Leases [Policy Text Block]
Carmel Mountain Plaza
Carmel Mountain Plaza [Member]
Carmel Mountain Plaza [Member]
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]
Other income, net
Other income, net
Other income, net
Other Nonoperating Income (Expense)
Statement [Table]
Statement [Table]
FINANCING ACTIVITIES
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Revenues
Revenue Benchmark [Member]
Beginning balance (in shares)
Ending balance (in shares)
Partners' Capital Account, Units
6.150% Senior Notes
6.150% Senior Unsecured Notes [Member]
6.150% Senior Unsecured Notes
Variable Rate [Domain]
Variable Rate [Domain]
Repayment of unsecured term loan
Repayments of unsecured debt
Repayments of Unsecured Debt
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Amendment Flag
Amendment Flag
Equity incentive award plan, common stock authorized for issuance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Coastal Collection at Torrey Reserve Building 13 & 14
Coastal Collection at Torrey Reserve Building 13 & 14 [Member]
Coastal Collection at Torrey Reserve Building 13 & 14
Proceeds from sale of real estate, net of selling costs
Proceeds from Sale, Real Estate, Held-for-Investment
Imperial Beach Gardens
Imperial Beach Gardens [Member]
Imperial Beach Gardens.
Debt issuance costs, net, revolving credit facility
Debt Issuance Costs, Line of Credit Arrangements, Net
Termination Date
Trading Arrangement Termination Date
Apartment Building
Apartment Building [Member]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Number of interest rate agreements
Number of Interest Rate Derivatives Held
Cash and Cash Equivalents
Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block]
Period three
Share-Based Payment Arrangement, Tranche Three [Member]
Gain on derivatives
Derivative, Gain on Derivative
Weighted-average discount rate - operating leases (as a percent)
Operating Lease, Weighted Average Discount Rate, Percent
American Assets Trust, Inc.
American Assets Trust, Inc. [Member]
American Assets Trust, Inc.
Weighted average shares of common stock outstanding - basic (in shares)
Weighted average units outstanding - basic (in shares)
Weighted average common shares outstanding—basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Summary of Computation of Basic and Diluted EPS
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Performance period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period
Furniture and Equipment
Furniture And Equipment [Member]
Furniture And Equipment [Member]
Repairs and maintenance
Cost of Property Repairs and Maintenance
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Rent
Operating Lease, Expense
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Deferred rent revenue and amortization of lease intangibles
Deferred Rent Revenue And Amortization Of Lease Intangibles
The increase (decrease) during the reporting period in the amount due that is the result of the cumulative difference between actual rent due and rental income recognized on a straight-line basis. Also includes the amortization of lease intangibles.
Waikiki Beach Walk Hotel
Waikiki Beach Walk Hotel [Member]
Waikiki Beach Walk Hotel [Member]
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net income attributable to American Assets Trust, L.P. unit holders
Net Income (Loss) Allocated to General Partners
Note Purchase Agreement
Note Purchase Agreement [Member]
Note Purchase Agreement [Member]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Dividends paid to common stock and unitholders
Distributions
Payments of Dividends
Construction in progress
Construction in Progress, Gross
Insider Trading Arrangements [Line Items]
Construction in progress
Construction in Progress Including Land, Gross
Construction in Progress Including Land, Gross
General excise tax recognized, gross
Excise Taxes Collected
Total liabilities
Liabilities assumed
Liabilities
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Product Concentration Risk
Product Concentration Risk [Member]
Properties held for development
Real Estate Properties Held For Development
The number of real estate properties held for development.
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Equity, Capital Unit or Share [Table]
Equity, Capital Unit or Share [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Fixed interest rate on derivative
Derivative, Swaption Interest Rate
Counterparty Name [Axis]
Counterparty Name [Axis]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]