$AAT
American Assets Trust, Inc. Stock $aat

$aat Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-Q Financial Statement

#000150021719000025 Filed on May 03, 2019

Income Statement

Concept	2019 Q1	2018 Q1
Revenue	$85.32M	$80.73M
YoY Change	5.68%	9.4%
Cost Of Revenue	$29.84M	$28.97M
YoY Change	3.0%	5.73%
Gross Profit	$55.48M	$51.77M
YoY Change	7.17%	11.57%
Gross Profit Margin	65.02%	64.12%
Selling, General & Admin	$6.619M	$5.979M
YoY Change	10.7%	8.35%
% of Gross Profit	11.93%	11.55%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$20.58M	$33.28M
YoY Change	-38.15%	85.03%
% of Gross Profit	37.1%	64.29%
Operating Expenses	$56.50M	$67.81M
YoY Change	-16.68%	34.38%
Operating Profit	$28.82M	$12.92M
YoY Change	123.07%	-44.62%
Interest Expense	$13.35M	$13.82M
YoY Change	-3.41%	3.67%
% of Operating Profit	46.32%	106.97%
Other Income/Expense, Net	-$229.0K	$209.0K
YoY Change	-209.57%	-32.58%
Pretax Income	$15.24M	-$690.0K
YoY Change	-2308.7%	-106.69%
Income Tax	$236.0K	-$65.00K
% Of Pretax Income	1.55%
Net Earnings	$11.10M	-$453.0K
YoY Change	-2549.23%	-106.13%
Net Earnings / Revenue	13.0%	-0.56%
Basic Earnings Per Share	$0.24	-$0.01
Diluted Earnings Per Share	$0.24	-$0.01
COMMON SHARES
Basic Shares Outstanding	47.00M shares	46.94M shares
Diluted Shares Outstanding	64.18M shares	46.94M shares

Balance Sheet

Concept	2019 Q1	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$54.50M	$55.30M
YoY Change	-1.45%	-70.91%
Cash & Equivalents	$54.54M	$55.34M
Short-Term Investments
Other Short-Term Assets	$6.300M	$6.500M
YoY Change	-3.08%	-5.8%
Inventory
Prepaid Expenses
Receivables	$9.100M	$8.800M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$69.90M	$70.60M
YoY Change	-0.99%	-65.49%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.054B	$2.055B
YoY Change	-0.06%	12.71%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$9.800M	$9.900M
YoY Change	-1.01%	1.02%
Total Long-Term Assets	$2.147B	$2.143B
YoY Change	0.2%	12.15%
TOTAL ASSETS
Total Short-Term Assets	$69.90M	$70.60M
Total Long-Term Assets	$2.147B	$2.143B
Total Assets	$2.217B	$2.214B
YoY Change	0.16%	4.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$53.70M	$43.50M
YoY Change	23.45%	11.25%
Accrued Expenses	$7.700M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$69.00M	$52.20M
YoY Change	32.18%	15.23%
LONG-TERM LIABILITIES
Long-Term Debt	$1.295B	$1.284B
YoY Change	0.86%	10.62%
Other Long-Term Liabilities	$47.80M	$48.20M
YoY Change	-0.83%	1.47%
Total Long-Term Liabilities	$1.343B	$1.332B
YoY Change	0.8%	10.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$69.00M	$52.20M
Total Long-Term Liabilities	$1.343B	$1.332B
Total Liabilities	$1.412B	$1.384B
YoY Change	1.99%	10.42%
SHAREHOLDERS EQUITY
Retained Earnings	-$130.8M	-$110.6M
YoY Change	18.35%	34.95%
Common Stock	$929.3M	$920.3M
YoY Change	0.98%	1.6%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$807.3M	$823.0M
YoY Change
Total Liabilities & Shareholders Equity	$2.217B	$2.214B
YoY Change	0.16%	4.64%

Cashflow Statement

Concept	2019 Q1	2018 Q1
OPERATING ACTIVITIES
Net Income	$11.10M	-$453.0K
YoY Change	-2549.23%	-106.13%
Depreciation, Depletion And Amortization	$20.58M	$33.28M
YoY Change	-38.15%	85.03%
Cash From Operating Activities	$36.83M	$43.97M
YoY Change	-16.24%	-7.63%
INVESTING ACTIVITIES
Capital Expenditures	-$20.90M	-$10.10M
YoY Change	106.93%	-17.89%
Acquisitions
YoY Change
Other Investing Activities	-$1.500M	-$1.200M
YoY Change	25.0%	20.0%
Cash From Investing Activities	-$22.44M	-$11.37M
YoY Change	97.42%	-13.61%
FINANCING ACTIVITIES
Cash Dividend Paid	$18.06M	$17.39M
YoY Change	3.87%	3.98%
Common Stock Issuance & Retirement, Net	$7.034M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$7.351M	-$59.34M
YoY Change	-87.61%	-153.58%
NET CHANGE
Cash From Operating Activities	$36.83M	$43.97M
Cash From Investing Activities	-$22.44M	-$11.37M
Cash From Financing Activities	-$7.351M	-$59.34M
Net Change In Cash	$7.043M	-$26.73M
YoY Change	-126.35%	-118.41%
FREE CASH FLOW
Cash From Operating Activities	$36.83M	$43.97M
Capital Expenditures	-$20.90M	-$10.10M
Free Cash Flow	$57.73M	$54.07M
YoY Change	6.77%	-9.74%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	aat	Lease Incentive Accumulated Amortization LeaseIncentiveAccumulatedAmortization	299000	USD
CY2019Q1	aat	Lease Incentive Accumulated Amortization LeaseIncentiveAccumulatedAmortization	385000	USD
CY2018Q1	aat	Maximum Percentage Of Revenue Provided By Any Single Tenant MaximumPercentageOfRevenueProvidedByAnySingleTenant	0.10
CY2019Q1	dei	Amendment Flag AmendmentFlag	false
CY2019Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2019Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019Q1	dei	Document Period End Date DocumentPeriodEndDate	2019-03-31
CY2019Q1	dei	Document Type DocumentType	10-Q
CY2019Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001500217
CY2019Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	48006276	shares
CY2019Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019Q1	dei	Entity Registrant Name EntityRegistrantName	AMERICAN ASSETS TRUST, INC.
CY2019Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2019Q1	dei	Trading Symbol TradingSymbol	AAT
CY2018Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	28597000	USD
CY2019Q1	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	29537000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	100000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	981000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1025000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	7700000	USD
CY2019Q1	us-gaap	Rental Properties RentalProperties	2569407000	USD
CY2018Q4	us-gaap	Rental Properties RentalProperties	2549571000	USD
CY2019Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	77094000	USD
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	71228000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-128778000	USD
CY2019Q1	us-gaap	Land Available For Development LandAvailableForDevelopment	9392000	USD
CY2018Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	9392000	USD
CY2019Q1	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2655893000	USD
CY2018Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2630191000	USD
CY2019Q1	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	609020000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	590338000	USD
CY2019Q1	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2046873000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2039853000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54538000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47956000	USD
CY2019Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9777000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9316000	USD
CY2019Q1	us-gaap	Accounts Receivable Net AccountsReceivableNet	9137000	USD
CY2018Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	9289000	USD
CY2019Q1	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	40554000	USD
CY2018Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	39815000	USD
CY2019Q1	us-gaap	Other Assets OtherAssets	56169000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	52021000	USD
CY2019Q1	us-gaap	Assets Assets	2217048000	USD
CY2018Q4	us-gaap	Assets Assets	2198250000	USD
CY2019Q1	us-gaap	Secured Debt SecuredDebt	162688000	USD
CY2018Q4	us-gaap	Secured Debt SecuredDebt	182572000	USD
CY2019Q1	us-gaap	Unsecured Debt UnsecuredDebt	1045709000	USD
CY2018Q4	us-gaap	Unsecured Debt UnsecuredDebt	1045863000	USD
CY2019Q1	us-gaap	Line Of Credit LineOfCredit	86438000	USD
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	62337000	USD
CY2019Q1	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	53683000	USD
CY2018Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	46616000	USD
CY2019Q1	us-gaap	Security Deposit Liability SecurityDepositLiability	7579000	USD
CY2018Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	8844000	USD
CY2019Q1	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	55618000	USD
CY2018Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	49547000	USD
CY2019Q1	us-gaap	Liabilities Liabilities	1411715000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	1395779000	USD
CY2019Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q1	us-gaap	Common Stock Value CommonStockValue	475000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	474000	USD
CY2019Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	928792000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	920661000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-130841000	USD
CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8825000	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47004465	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46935820	shares
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	10620000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	807251000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	802977000	USD
CY2019Q1	us-gaap	Minority Interest MinorityInterest	-1918000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	-506000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	805333000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	802471000	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2217048000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2198250000	USD
CY2019Q1	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	76831000	USD
CY2018Q1	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	76201000	USD
CY2019Q1	us-gaap	Other Operating Income OtherOperatingIncome	8488000	USD
CY2018Q1	us-gaap	Other Operating Income OtherOperatingIncome	4531000	USD
CY2019Q1	us-gaap	Revenues Revenues	85319000	USD
CY2018Q1	us-gaap	Revenues Revenues	80732000	USD
CY2019Q1	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	20796000	USD
CY2018Q1	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	20420000	USD
CY2019Q1	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	9046000	USD
CY2018Q1	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	8546000	USD
CY2019Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	6073000	USD
CY2018Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5567000	USD
CY2019Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	20583000	USD
CY2018Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	33279000	USD
CY2019Q1	us-gaap	Operating Expenses OperatingExpenses	56498000	USD
CY2018Q1	us-gaap	Operating Expenses OperatingExpenses	67812000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	28821000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	12920000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	13349000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	13820000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-229000	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	209000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	15243000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	-691000	USD
CY2019Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	93000	USD
CY2018Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	-72000	USD
CY2019Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	4055000	USD
CY2018Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	-166000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	11095000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-453000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64182073	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46935820	shares
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.28
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.27
CY2019Q1	us-gaap	Profit Loss ProfitLoss	15243000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	-691000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2132000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	2861000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	320000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	320000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	12791000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1850000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3398000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	502000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9393000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1348000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	802471000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	15243000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7034000	USD
CY2019Q1	us-gaap	Dividends Dividends	18061000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1098000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	320000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	805333000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	844144000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	-691000	USD
CY2018Q1	us-gaap	Dividends Dividends	17388000	USD
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	727000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	320000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	829333000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	15243000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	-691000	USD
CY2019Q1	aat	Deferred Rent Revenue And Amortization Of Lease Intangibles DeferredRentRevenueAndAmortizationOfLeaseIntangibles	-1111000	USD
CY2018Q1	aat	Deferred Rent Revenue And Amortization Of Lease Intangibles DeferredRentRevenueAndAmortizationOfLeaseIntangibles	47000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20583000	USD
CY2018Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33279000	USD
CY2019Q1	aat	Amortization Of Debt Issuance Costs And Debt Fair Value Adjustments AmortizationOfDebtIssuanceCostsAndDebtFairValueAdjustments	368000	USD
CY2018Q1	aat	Amortization Of Debt Issuance Costs And Debt Fair Value Adjustments AmortizationOfDebtIssuanceCostsAndDebtFairValueAdjustments	446000	USD
CY2019Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1098000	USD
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	727000	USD
CY2019Q1	us-gaap	Gain Loss On Termination Of Lease GainLossOnTerminationOfLease	4518000	USD
CY2018Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	5434000	USD
CY2018Q1	us-gaap	Gain Loss On Termination Of Lease GainLossOnTerminationOfLease	0	USD
CY2019Q1	aat	Other Noncash Interest Expense OtherNoncashInterestExpense	-320000	USD
CY2018Q1	aat	Other Noncash Interest Expense OtherNoncashInterestExpense	-320000	USD
CY2019Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-678000	USD
CY2018Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2031000	USD
CY2019Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-466000	USD
CY2018Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-577000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-45000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	337000	USD
CY2019Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	7150000	USD
CY2019Q1	us-gaap	Increase Decrease In Customer Advances And Deposits IncreaseDecreaseInCustomerAdvancesAndDeposits	-1265000	USD
CY2018Q1	us-gaap	Increase Decrease In Customer Advances And Deposits IncreaseDecreaseInCustomerAdvancesAndDeposits	2113000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	-1586000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	666000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	36831000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	43972000	USD
CY2019Q1	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	20932000	USD
CY2018Q1	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	10138000	USD
CY2019Q1	us-gaap	Increase Decrease In Lease Acquisition Costs IncreaseDecreaseInLeaseAcquisitionCosts	1505000	USD
CY2018Q1	us-gaap	Increase Decrease In Lease Acquisition Costs IncreaseDecreaseInLeaseAcquisitionCosts	1227000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-22437000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11365000	USD
CY2019Q1	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	19909000	USD
CY2018Q1	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	74116000	USD
CY2019Q1	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	24000000	USD
CY2018Q1	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	35000000	USD
CY2019Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	415000	USD
CY2018Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2656000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7034000	USD
CY2018Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-176000	USD
CY2019Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	18061000	USD
CY2018Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	17388000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7351000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-59336000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	7043000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26729000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57272000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	91954000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	64315000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	65225000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54538000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	55336000	USD
CY2019Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9777000	USD
CY2018Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9889000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	64315000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	65225000	USD
CY2019Q1	dei	Entity Number Of Employees EntityNumberOfEmployees	186	Employee
CY2019Q1	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	27	Property
CY2018Q1	aat	Increase Decrease Accrued Leasing Commissions IncreaseDecreaseAccruedLeasingCommissions	710000	USD
CY2019Q1	aat	Reductionto Capitalfor Prepaid Offering Costs ReductiontoCapitalforPrepaidOfferingCosts	0	USD
CY2018Q1	aat	Reductionto Capitalfor Prepaid Offering Costs ReductiontoCapitalforPrepaidOfferingCosts	176000	USD
CY2019Q1	aat	Real Estate Properties Held For Development RealEstatePropertiesHeldForDevelopment	3	Property
CY2019Q1	us-gaap	Interest Costs Incurred InterestCostsIncurred	13534000	USD
CY2018Q1	us-gaap	Interest Costs Incurred InterestCostsIncurred	14277000	USD
CY2019Q1	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	185000	USD
CY2018Q1	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	457000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	13349000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	13820000	USD
CY2019Q1	us-gaap	Interest Paid Net InterestPaidNet	13301000	USD
CY2018Q1	us-gaap	Interest Paid Net InterestPaidNet	14059000	USD
CY2019Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	157000	USD
CY2018Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	31000	USD
CY2019Q1	aat	Increase Decrease Accrued Constructionin Progress IncreaseDecreaseAccruedConstructioninProgress	12838000	USD
CY2018Q1	aat	Increase Decrease Accrued Constructionin Progress IncreaseDecreaseAccruedConstructioninProgress	5674000	USD
CY2019Q1	aat	Increase Decrease Accrued Leasing Commissions IncreaseDecreaseAccruedLeasingCommissions	663000	USD
CY2019Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	Segment
CY2019Q1	aat	Lease Practical Expedient Leaseand Nonlease Components LeasePracticalExpedientLeaseandNonleaseComponents	7800000	USD
CY2019Q1	us-gaap	Other Assets OtherAssets	56169000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	52021000	USD
CY2019Q1	aat	Number Of Rooms In Mixed Use Segment All Suite Hotel NumberOfRoomsInMixedUseSegmentAllSuiteHotel	369	Room
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7700000	USD
CY2019Q1	us-gaap	Deferred Rent Credit DeferredRentCredit	800000	USD
CY2019Q1	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	63172000	USD
CY2018Q4	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	63172000	USD
CY2019Q1	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	38288000	USD
CY2018Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	37220000	USD
CY2019Q1	us-gaap	Below Market Lease Net BelowMarketLeaseNet	24884000	USD
CY2018Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	25952000	USD
CY2019Q1	us-gaap	Derivative Assets DerivativeAssets	4160000	USD
CY2019Q1	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	28895000	USD
CY2018Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	28796000	USD
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	6002000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	376000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	518000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	5826000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	6281000	USD
CY2019Q1	us-gaap	Incentive To Lessee IncentiveToLessee	676000	USD
CY2018Q4	us-gaap	Incentive To Lessee IncentiveToLessee	747000	USD
CY2019Q1	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	2949000	USD
CY2018Q4	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	2994000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	6973000	USD
CY2018Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2019Q1	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	6314000	USD
CY2018Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	6683000	USD
CY2019Q1	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	24884000	USD
CY2018Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	25952000	USD
CY2019Q1	us-gaap	Deferred Revenue DeferredRevenue	11020000	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	11634000	USD
CY2019Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	1092000	USD
CY2018Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	801000	USD
CY2019Q1	aat	Deferred Rent Expense And Lease Intangible DeferredRentExpenseAndLeaseIntangible	1424000	USD
CY2018Q4	aat	Deferred Rent Expense And Lease Intangible DeferredRentExpenseAndLeaseIntangible	2210000	USD
CY2019Q1	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	1438000	USD
CY2018Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	1424000	USD
CY2019Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	93000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	93000	USD
CY2019Q1	us-gaap	Deferred Rent Credit DeferredRentCredit	7929000	USD
CY2018Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	7393000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	7692000	USD
CY2018Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	0	USD
CY2019Q1	us-gaap	Other Liabilities OtherLiabilities	46000	USD
CY2018Q4	us-gaap	Other Liabilities OtherLiabilities	40000	USD
CY2019Q1	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	55618000	USD
CY2018Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	49547000	USD
CY2019Q1	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0360
CY2019Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7034000	USD
CY2019Q1	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	First Quarter 2019
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.28
CY2019Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-03-28
CY2019Q1	us-gaap	Restricted Stock Expense RestrictedStockExpense	1100000	USD
CY2018Q1	us-gaap	Restricted Stock Expense RestrictedStockExpense	700000	USD
CY2019Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	5400000	USD
CY2019Q1	aat	Weighted Average Unvested Participating Securities Outstanding WeightedAverageUnvestedParticipatingSecuritiesOutstanding	333275	shares
CY2018Q1	aat	Weighted Average Unvested Participating Securities Outstanding WeightedAverageUnvestedParticipatingSecuritiesOutstanding	263606	shares
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	15243000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-691000	USD
CY2019Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	93000	USD
CY2018Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	-72000	USD
CY2019Q1	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships MinorityInterestInContinuingOperationsIncomeLossOperatingPartnerships	-4055000	USD
CY2018Q1	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships MinorityInterestInContinuingOperationsIncomeLossOperatingPartnerships	166000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11095000	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-453000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	11095000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-453000	USD
CY2019Q1	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships Diluted MinorityInterestInContinuingOperationsIncomeLossOperatingPartnershipsDiluted	-4055000	USD
CY2018Q1	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships Diluted MinorityInterestInContinuingOperationsIncomeLossOperatingPartnershipsDiluted	0	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	15150000	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-453000	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47004465	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46935820	shares
CY2019Q1	aat	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	17177608	shares
CY2018Q1	aat	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	0	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64182073	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46935820	shares
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2019Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	100000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	200000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-100000	USD
CY2019Q1	us-gaap	Loss On Contract Termination For Default LossOnContractTerminationForDefault	7500000	USD
CY2019Q1	aat	Number Of Consolidated Properties NumberOfConsolidatedProperties	14	Property
CY2019Q1	aat	Maximum Percentage Of Revenue Provided By Any Single Tenant MaximumPercentageOfRevenueProvidedByAnySingleTenant	0.10
CY2019Q1	aat	Years Minimum Term Range Of Office And Retail Leases YearsMinimumTermRangeOfOfficeAndRetailLeases	P3Y
CY2019Q1	aat	Years Maximum Term Range Of Office And Retail Leases YearsMaximumTermRangeOfOfficeAndRetailLeases	P10Y
CY2019Q1	aat	Months Minimum Term Of Apartment Leases MonthsMinimumTermOfApartmentLeases	P7M
CY2019Q1	aat	Months Maximum Term Length Of Apartment Leases MonthsMaximumTermLengthOfApartmentLeases	P15M
CY2019Q1	aat	Operating Leases Rental Period Terms OperatingLeasesRentalPeriodTerms	P12M
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	179634000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	179925000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	164848000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	146016000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	124300000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	436240000	USD
CY2019Q1	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	1230963000	USD
CY2019Q1	aat	Operating Leases Rental Period Terms OperatingLeasesRentalPeriodTerms	P12M
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2519000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3422000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2153000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	0	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	0	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	8094000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	402000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	7692000	USD
CY2019Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	833000	USD
CY2019Q1	us-gaap	Variable Lease Cost VariableLeaseCost	0	USD
CY2019Q1	us-gaap	Sublease Income SubleaseIncome	625000	USD
CY2019Q1	us-gaap	Lease Cost LeaseCost	208000	USD
CY2019Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y4M24D
CY2019Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0413
CY2019Q1	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	944000	USD
CY2019Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	827000	USD
CY2019Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7661000	USD
CY2019Q1	aat	Tenant Reimbursements Lease Revenue TenantReimbursementsLeaseRevenue	0	USD
CY2018Q1	aat	Tenant Reimbursements Lease Revenue TenantReimbursementsLeaseRevenue	8342000	USD
CY2019Q1	us-gaap	Percentage Rent PercentageRent	266000	USD
CY2018Q1	us-gaap	Percentage Rent PercentageRent	436000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9642000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9783000	USD
CY2019Q1	aat	Other Real Estate Rental Revenue OtherRealEstateRentalRevenue	453000	USD
CY2018Q1	aat	Other Real Estate Rental Revenue OtherRealEstateRentalRevenue	369000	USD
CY2019Q1	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	76831000	USD
CY2018Q1	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	76201000	USD
CY2019Q1	us-gaap	Straight Line Rent StraightLineRent	200000	USD
CY2018Q1	us-gaap	Straight Line Rent StraightLineRent	-800000	USD
CY2019Q1	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	900000	USD
CY2018Q1	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	700000	USD
CY2019Q1	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8551000	USD
CY2018Q1	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8660000	USD
CY2019Q1	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	5973000	USD
CY2018Q1	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	6032000	USD
CY2019Q1	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	3459000	USD
CY2018Q1	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	3001000	USD
CY2019Q1	us-gaap	Marketing Expense MarketingExpense	546000	USD
CY2018Q1	us-gaap	Marketing Expense MarketingExpense	412000	USD
CY2019Q1	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	841000	USD
CY2018Q1	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	794000	USD
CY2018Q1	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	1033000	USD
CY2019Q1	us-gaap	Management Fee Expense ManagementFeeExpense	482000	USD
CY2018Q1	us-gaap	Management Fee Expense ManagementFeeExpense	488000	USD
CY2019Q1	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	20796000	USD
CY2018Q1	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	20420000	USD
CY2019Q1	us-gaap	Interest And Other Income InterestAndOtherIncome	7000	USD
CY2018Q1	us-gaap	Interest And Other Income InterestAndOtherIncome	140000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	236000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-65000	USD
CY2019Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
CY2018Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-229000	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	209000	USD
CY2019Q1	aat	Percentage Of Investment In Related Party PercentageOfInvestmentInRelatedParty	0.477
CY2019Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	Segment
CY2019Q1	aat	Number Of Rooms In Mixed Use Segment All Suite Hotel NumberOfRoomsInMixedUseSegmentAllSuiteHotel	369	Room
CY2019Q1	us-gaap	Gross Profit GrossProfit	55477000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	51766000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	55477000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	51766000	USD
CY2019Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	6073000	USD
CY2018Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5567000	USD
CY2019Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	20583000	USD
CY2018Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	33279000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	13349000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	13820000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-229000	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	209000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	15243000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	-691000	USD
CY2019Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	93000	USD
CY2018Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	-72000	USD
CY2019Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	4055000	USD
CY2018Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	-166000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	11095000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-453000	USD
CY2019Q1	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2046873000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2039853000	USD
CY2019Q1	us-gaap	Notes Payable NotesPayable	162856000	USD
CY2018Q4	us-gaap	Notes Payable NotesPayable	182765000	USD
CY2019Q1	aat	Capital Expendituresand Leasing Commissions CapitalExpendituresandLeasingCommissions	22437000	USD
CY2018Q1	aat	Capital Expendituresand Leasing Commissions CapitalExpendituresandLeasingCommissions	11365000	USD

Files In Submission

Name	View Source	Status
0001500217-19-000025-index-headers.html	Edgar Link	pending
0001500217-19-000025-index.html	Edgar Link	pending
0001500217-19-000025.txt	Edgar Link	pending
0001500217-19-000025-xbrl.zip	Edgar Link	pending
a1q1910q-doc.htm	Edgar Link	pending
a1q1910q-doc_htm.xml	Edgar Link	completed
aat-20190331.xsd	Edgar Link	pending
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American Assets Trust, Inc. Stock $aat

2019 Q1 Form 10-Q Financial Statement

#000150021719000025 Filed on May 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAT American Assets Trust, Inc. Stock $aat

2019 Q1 Form 10-Q Financial Statement

#000150021719000025 Filed on May 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAT
American Assets Trust, Inc. Stock $aat