$AAT
American Assets Trust, Inc. Stock $aat

$aat Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000150021715000039 Filed on February 20, 2015

Income Statement

Concept	2013 Q4	2013 Q3	2013 Q2
Revenue	$64.65M	$65.32M	$62.91M
YoY Change	2.42%	7.49%	12.08%
Cost Of Revenue	$23.54M	$23.20M	$22.16M
YoY Change	5.89%	2.79%	4.28%
Gross Profit	$41.11M	$42.12M	$40.75M
YoY Change	0.54%	10.28%	16.83%
Gross Profit Margin	63.59%	64.48%	64.77%
Selling, General & Admin	$4.540M	$4.387M	$4.770M
YoY Change	11.82%	5.53%	14.25%
% of Gross Profit	11.04%	10.42%	11.7%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$16.20M	$16.60M	$17.00M
YoY Change	-2.41%	3.11%	18.88%
% of Gross Profit	39.41%	39.41%	41.72%
Operating Expenses	$20.70M	$43.88M	$43.54M
YoY Change	0.29%	3.09%	10.26%
Operating Profit	$20.41M	$21.44M	$19.37M
YoY Change	0.79%	17.77%	16.42%
Interest Expense	-$13.72M	-$14.71M	$14.74M
YoY Change	-9.44%	4.55%	5.1%
% of Operating Profit	-67.23%	-68.61%	76.11%
Other Income/Expense, Net	$220.0K	-$419.0K	-$65.00K
YoY Change	-181.48%	-5337.5%	-70.05%
Pretax Income	$6.910M	$6.260M	$4.560M
YoY Change	43.36%	57.68%	90.0%
Income Tax	$0.00	$473.0K	$91.00K
% Of Pretax Income	0.0%	7.56%	2.0%
Net Earnings	$4.682M	$4.223M	$3.077M
YoY Change	-83.62%	49.91%	82.18%
Net Earnings / Revenue	7.24%	6.47%	4.89%
Basic Earnings Per Share		$0.11	$0.08
Diluted Earnings Per Share	$119.6K	$0.11	$0.08
COMMON SHARES
Basic Shares Outstanding	40.45M shares	39.82M shares	39.46M shares
Diluted Shares Outstanding		57.78M shares	57.43M shares

Balance Sheet

Concept	2013 Q4	2013 Q3	2013 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$49.00M	$65.70M	$63.30M
YoY Change	15.29%	88.25%	-35.8%
Cash & Equivalents	$48.99M	$65.72M	$63.34M
Short-Term Investments
Other Short-Term Assets	$3.300M	$3.100M	$3.000M
YoY Change	-5.71%	-38.0%	-9.09%
Inventory
Prepaid Expenses
Receivables	$7.300M	$7.600M	$38.30M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$59.60M	$76.40M	$104.6M
YoY Change	-27.14%	1.33%	-22.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.677B	$1.666B	$1.662B
YoY Change	0.52%	-1.93%	12.4%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$11.80M	$13.00M	$12.30M
YoY Change	6.31%	-5.8%	-16.89%
Total Long-Term Assets	$1.773B	$1.764B	$1.732B
YoY Change	1.55%	-1.18%	9.68%
TOTAL ASSETS
Total Short-Term Assets	$59.60M	$76.40M	$104.6M
Total Long-Term Assets	$1.773B	$1.764B	$1.732B
Total Assets	$1.832B	$1.841B	$1.837B
YoY Change	0.27%	-1.08%	7.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$37.10M	$41.30M
YoY Change	25.76%	21.47%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change		-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$42.30M	$46.30M	$64.70M
YoY Change	22.97%	-74.35%	100.93%
LONG-TERM LIABILITIES
Long-Term Debt	$1.045B	$1.044B	$1.044B
YoY Change	0.05%	8.3%	8.27%
Other Long-Term Liabilities	$58.20M	$58.90M	$31.30M
YoY Change	-7.32%	-3.6%	-42.36%
Total Long-Term Liabilities	$1.103B	$1.103B	$1.076B
YoY Change	-0.37%	7.59%	5.58%
TOTAL LIABILITIES
Total Short-Term Liabilities	$42.30M	$46.30M	$64.70M
Total Long-Term Liabilities	$1.103B	$1.103B	$1.076B
Total Liabilities	$1.146B	$1.150B	$1.140B
YoY Change	0.35%	-8.04%	3.78%
SHAREHOLDERS EQUITY
Retained Earnings	-$44.09M	-$40.01M	-$35.87M
YoY Change	72.06%
Common Stock	$692.6M	$691.8M	$690.9M
YoY Change	4.31%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$648.5M	$651.8M	$655.0M
YoY Change
Total Liabilities & Shareholders Equity	$1.832B	$1.841B	$1.837B
YoY Change	0.27%	-1.08%	7.2%

Cashflow Statement

Concept	2013 Q4	2013 Q3	2013 Q2
OPERATING ACTIVITIES
Net Income	$4.682M	$4.223M	$3.077M
YoY Change	-83.62%	49.91%	82.18%
Depreciation, Depletion And Amortization	$16.20M	$16.60M	$17.00M
YoY Change	-2.41%	3.11%	18.88%
Cash From Operating Activities	$18.20M	$28.80M	$20.00M
YoY Change	-11.22%	43.28%	19.05%
INVESTING ACTIVITIES
Capital Expenditures	-$22.20M	-$12.30M	-$11.30M
YoY Change	-20.43%	-94.78%	88.33%
Acquisitions
YoY Change
Other Investing Activities	-$900.0K	-$800.0K	-$1.100M
YoY Change	-101.02%	-103.27%	-466.67%
Cash From Investing Activities	-$23.10M	-$13.10M	-$12.40M
YoY Change	-138.06%	-93.8%	117.54%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-11.90M	-13.40M	11.80M
YoY Change	-83.85%	-110.49%	-189.39%
NET CHANGE
Cash From Operating Activities	18.20M	28.80M	20.00M
Cash From Investing Activities	-23.10M	-13.10M	-12.40M
Cash From Financing Activities	-11.90M	-13.40M	11.80M
Net Change In Cash	-16.80M	2.300M	19.40M
YoY Change	-324.0%	-103.62%	-1023.81%
FREE CASH FLOW
Cash From Operating Activities	$18.20M	$28.80M	$20.00M
Capital Expenditures	-$22.20M	-$12.30M	-$11.30M
Free Cash Flow	$40.40M	$41.10M	$31.30M
YoY Change	-16.53%	-83.94%	37.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-279000	USD
CY2014	aat	Acquired Finite Lived Intangible Liabilities Below Market Leases Weighted Average Period Before Renewalor Extension AcquiredFiniteLivedIntangibleLiabilitiesBelowMarketLeasesWeightedAveragePeriodBeforeRenewalorExtension	P8Y6M
CY2012	aat	Amortization Of Debt Issuance Costs And Debt Fair Value Adjustments AmortizationOfDebtIssuanceCostsAndDebtFairValueAdjustments	3911000	USD
CY2013	aat	Amortization Of Debt Issuance Costs And Debt Fair Value Adjustments AmortizationOfDebtIssuanceCostsAndDebtFairValueAdjustments	3932000	USD
CY2014	aat	Amortization Of Debt Issuance Costs And Debt Fair Value Adjustments AmortizationOfDebtIssuanceCostsAndDebtFairValueAdjustments	4075000	USD
CY2012Q4	aat	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Land Improvements BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLandImprovements	888000	USD
CY2012Q4	aat	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Lease Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseIntangibles	11239000	USD
CY2012Q4	aat	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Security Deposits Payable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSecurityDepositsPayable	815000	USD
CY2012Q4	aat	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Tenant Improvements BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTenantImprovements	6884000	USD
CY2013	aat	Capital Expendituresand Leasing Commissions CapitalExpendituresandLeasingCommissions	58707000	USD
CY2014	aat	Capital Expendituresand Leasing Commissions CapitalExpendituresandLeasingCommissions	149772000	USD
CY2014	aat	Cash Equivalents Maturity Period CashEquivalentsMaturityPeriod	P3M
CY2012	aat	Common Stock Dividend Rate Percentage CommonStockDividendRatePercentage	1.000
CY2013	aat	Common Stock Dividend Rate Percentage CommonStockDividendRatePercentage	1.000
CY2014	aat	Common Stock Dividend Rate Percentage CommonStockDividendRatePercentage	1.000
CY2013Q4	aat	Deferred Rent Expense And Lease Intangible DeferredRentExpenseAndLeaseIntangible	829000	USD
CY2014Q4	aat	Deferred Rent Expense And Lease Intangible DeferredRentExpenseAndLeaseIntangible	584000	USD
CY2012	aat	Deferred Rent Revenue And Amortization Of Lease Intangibles DeferredRentRevenueAndAmortizationOfLeaseIntangibles	-6967000	USD
CY2013	aat	Deferred Rent Revenue And Amortization Of Lease Intangibles DeferredRentRevenueAndAmortizationOfLeaseIntangibles	-4997000	USD
CY2014	aat	Deferred Rent Revenue And Amortization Of Lease Intangibles DeferredRentRevenueAndAmortizationOfLeaseIntangibles	-4623000	USD
CY2012Q1	aat	Dividends Date Paid DividendsDatePaid	2012-03-30
CY2012Q2	aat	Dividends Date Paid DividendsDatePaid	2012-06-29
CY2012Q3	aat	Dividends Date Paid DividendsDatePaid	2012-09-28
CY2012Q4	aat	Dividends Date Paid DividendsDatePaid	2012-12-28
CY2013Q1	aat	Dividends Date Paid DividendsDatePaid	2013-03-29
CY2013Q2	aat	Dividends Date Paid DividendsDatePaid	2013-06-28
CY2013Q3	aat	Dividends Date Paid DividendsDatePaid	2013-09-27
CY2013Q4	aat	Dividends Date Paid DividendsDatePaid	2013-12-27
CY2014Q1	aat	Dividends Date Paid DividendsDatePaid	2014-03-28
CY2014Q2	aat	Dividends Date Paid DividendsDatePaid	2014-06-27
CY2014Q3	aat	Dividends Date Paid DividendsDatePaid	2014-09-26
CY2014Q4	aat	Dividends Date Paid DividendsDatePaid	2014-12-26
CY2012Q1	aat	Dividends Period Covered DividendsPeriodCovered	January 1, 2012 to March 31, 2012
CY2012Q2	aat	Dividends Period Covered DividendsPeriodCovered	April 1, 2012 to June 30, 2012
CY2012Q3	aat	Dividends Period Covered DividendsPeriodCovered	July 1, 2012 to September 30, 2012
CY2012Q4	aat	Dividends Period Covered DividendsPeriodCovered	October 1, 2012 to December 31, 2012
CY2013Q1	aat	Dividends Period Covered DividendsPeriodCovered	January 1, 2013 to March 31, 2013
CY2013Q2	aat	Dividends Period Covered DividendsPeriodCovered	April 1, 2013 to June 30, 2013
CY2013Q3	aat	Dividends Period Covered DividendsPeriodCovered	July 1, 2013 to September 30, 2013
CY2013Q4	aat	Dividends Period Covered DividendsPeriodCovered	October 1, 2013 to December 31, 2013
CY2014Q1	aat	Dividends Period Covered DividendsPeriodCovered	January 1, 2014 to March 31, 2014
CY2014Q2	aat	Dividends Period Covered DividendsPeriodCovered	April 1, 2014 to June 30, 2014
CY2014Q3	aat	Dividends Period Covered DividendsPeriodCovered	July 1, 2014 to September 30, 2014
CY2014Q4	aat	Dividends Period Covered DividendsPeriodCovered	October 1, 2014 to December 31, 2014
CY2012Q1	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	First Quarter 2012
CY2012Q2	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Second Quarter 2012
CY2012Q3	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Third Quarter 2012
CY2012Q4	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Fourth Quarter 2012
CY2013Q1	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	First Quarter 2013
CY2013Q2	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Second Quarter 2013
CY2013Q3	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Third Quarter 2013
CY2013Q4	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Fourth Quarter 2013
CY2014Q1	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	First Quarter 2014
CY2014Q2	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Second Quarter 2014
CY2014Q3	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Third Quarter 2014
CY2014Q4	aat	Dividends Quarterly Period DividendsQuarterlyPeriod	Fourth Quarter 2014
CY2014	aat	Finite Lived Intangible Liabilities Below Market Leases Renewal Options FiniteLivedIntangibleLiabilitiesBelowMarketLeasesRenewalOptions	17500000	USD
CY2014	aat	Finite Lived Intangible Liabilities Below Market Leases Weighted Average Period Before Next Renewalor Extension FiniteLivedIntangibleLiabilitiesBelowMarketLeasesWeightedAveragePeriodBeforeNextRenewalorExtension	P10Y9M
CY2012	aat	Income Loss From Continuing Operations Attributable To Common Stockholders Diluted IncomeLossFromContinuingOperationsAttributableToCommonStockholdersDiluted	13420000	USD
CY2013	aat	Income Loss From Continuing Operations Attributable To Common Stockholders Diluted IncomeLossFromContinuingOperationsAttributableToCommonStockholdersDiluted	22058000	USD
CY2014	aat	Income Loss From Continuing Operations Attributable To Common Stockholders Diluted IncomeLossFromContinuingOperationsAttributableToCommonStockholdersDiluted	30771000	USD
CY2012	aat	Increase Decrease Accrued Leasing Commissions IncreaseDecreaseAccruedLeasingCommissions	-782000	USD
CY2013	aat	Increase Decrease Accrued Leasing Commissions IncreaseDecreaseAccruedLeasingCommissions	1385000	USD
CY2014	aat	Increase Decrease Accrued Leasing Commissions IncreaseDecreaseAccruedLeasingCommissions	763000	USD
CY2012	aat	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	18317796	shares
CY2013	aat	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	17976353	shares
CY2014	aat	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	17906348	shares
CY2012	aat	Interest Expense Exclude Constructionin Progress InterestExpenseExcludeConstructioninProgress	57328000	USD
CY2013	aat	Interest Expense Exclude Constructionin Progress InterestExpenseExcludeConstructioninProgress	58020000	USD
CY2014	aat	Interest Expense Exclude Constructionin Progress InterestExpenseExcludeConstructioninProgress	52965000	USD
CY2013Q4	aat	Lease Incentive Accumulated Amortization LeaseIncentiveAccumulatedAmortization	2590000	USD
CY2014Q4	aat	Lease Incentive Accumulated Amortization LeaseIncentiveAccumulatedAmortization	2960000	USD
CY2012	aat	Maximum Percentage Of Revenue Provided By Any Single Tenant MaximumPercentageOfRevenueProvidedByAnySingleTenant	0.10
CY2014	aat	Maximum Percentage Of Revenue Provided By Any Single Tenant MaximumPercentageOfRevenueProvidedByAnySingleTenant	0.1
CY2012	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships MinorityInterestInContinuingOperationsIncomeLossOperatingPartnerships	4239000	USD
CY2013	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships MinorityInterestInContinuingOperationsIncomeLossOperatingPartnerships	6838000	USD
CY2014	aat	Minority Interest In Continuing Operations Income Loss Operating Partnerships MinorityInterestInContinuingOperationsIncomeLossOperatingPartnerships	9015000	USD
CY2014	aat	Months Maximum Term Length Of Apartment Leases MonthsMaximumTermLengthOfApartmentLeases	P15M
CY2014	aat	Months Minimum Term Of Apartment Leases MonthsMinimumTermOfApartmentLeases	P7M
CY2012	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	529000	USD
CY2013Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	132000	USD
CY2013Q2	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	133000	USD
CY2013Q3	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	132000	USD
CY2013Q4	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	139000	USD
CY2013	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	536000	USD
CY2014Q1	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	70000	USD
CY2014Q2	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	94000	USD
CY2014Q3	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	95000	USD
CY2014Q4	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	115000	USD
CY2014	aat	Net Income Attributable To Restricted Share NetIncomeAttributableToRestrictedShare	374000	USD
CY2014	aat	Number Of Consolidated Properties NumberOfConsolidatedProperties	12	Property
CY2014Q4	aat	Number Of Rooms In Mixed Use Segment All Suite Hotel NumberOfRoomsInMixedUseSegmentAllSuiteHotel	369	Room
CY2014Q4	aat	Number Of States NumberOfStates	5	State
CY2012	aat	Ordinary Income Dividends Per Share OrdinaryIncomeDividendsPerShare	0.56
CY2013	aat	Ordinary Income Dividends Per Share OrdinaryIncomeDividendsPerShare	0.83
CY2014	aat	Ordinary Income Dividends Per Share OrdinaryIncomeDividendsPerShare	0.61
CY2012	aat	Ordinary Income Dividends Percentage OrdinaryIncomeDividendsPercentage	0.667
CY2013	aat	Ordinary Income Dividends Percentage OrdinaryIncomeDividendsPercentage	0.976
CY2014	aat	Ordinary Income Dividends Percentage OrdinaryIncomeDividendsPercentage	0.689
CY2012	aat	Other Real Estate Rental Revenue OtherRealEstateRentalRevenue	1597000	USD
CY2013	aat	Other Real Estate Rental Revenue OtherRealEstateRentalRevenue	1688000	USD
CY2014	aat	Other Real Estate Rental Revenue OtherRealEstateRentalRevenue	1681000	USD
CY2014	aat	Percentage Of Investment In Related Party PercentageOfInvestmentInRelatedParty	0.477
CY2014	aat	Percentage Partners Common Units PercentagePartnersCommonUnits	0.50
CY2012	aat	Real Estate Acquisition Related Expense RealEstateAcquisitionRelatedExpense	152000	USD
CY2013	aat	Real Estate Acquisition Related Expense RealEstateAcquisitionRelatedExpense	0	USD
CY2014	aat	Real Estate Acquisition Related Expense RealEstateAcquisitionRelatedExpense	0	USD
CY2014Q4	aat	Real Estate Properties Held For Development RealEstatePropertiesHeldForDevelopment	5	Property
CY2012	aat	Reductionto Capitalfor Prepaid Offering Costs ReductiontoCapitalforPrepaidOfferingCosts	0	USD
CY2013	aat	Reductionto Capitalfor Prepaid Offering Costs ReductiontoCapitalforPrepaidOfferingCosts	437000	USD
CY2014	aat	Reductionto Capitalfor Prepaid Offering Costs ReductiontoCapitalforPrepaidOfferingCosts	40000	USD
CY2012	aat	Return Of Capital Dividends Per Share ReturnOfCapitalDividendsPerShare	0.28
CY2013	aat	Return Of Capital Dividends Per Share ReturnOfCapitalDividendsPerShare	0.02
CY2014	aat	Return Of Capital Dividends Per Share ReturnOfCapitalDividendsPerShare	0.28
CY2012	aat	Return Of Capital Dividends Percentage ReturnOfCapitalDividendsPercentage	0.333
CY2013	aat	Return Of Capital Dividends Percentage ReturnOfCapitalDividendsPercentage	0.024
CY2014	aat	Return Of Capital Dividends Percentage ReturnOfCapitalDividendsPercentage	0.311
CY2012	aat	Settlementof Forward Interest Rate Swap Agreement SettlementofForwardInterestRateSwapAgreement	0	USD
CY2013	aat	Settlementof Forward Interest Rate Swap Agreement SettlementofForwardInterestRateSwapAgreement	0	USD
CY2014	aat	Settlementof Forward Interest Rate Swap Agreement SettlementofForwardInterestRateSwapAgreement	1617000	USD
CY2014Q4	aat	Shares Held By Minority Interest In Operating Partnerships SharesHeldByMinorityInterestInOperatingPartnerships	17905257	shares
CY2014Q4	aat	Transfer Taxes Liability TransferTaxesLiability	6600000	USD
CY2012	aat	Weighted Average Unvested Participating Securities Outstanding WeightedAverageUnvestedParticipatingSecuritiesOutstanding	629493	shares
CY2013	aat	Weighted Average Unvested Participating Securities Outstanding WeightedAverageUnvestedParticipatingSecuritiesOutstanding	630130	shares
CY2014	aat	Weighted Average Unvested Participating Securities Outstanding WeightedAverageUnvestedParticipatingSecuritiesOutstanding	430584	shares
CY2014	aat	Years Maximum Term Range Of Office And Retail Leases YearsMaximumTermRangeOfOfficeAndRetailLeases	P10Y
CY2014	aat	Years Minimum Term Range Of Office And Retail Leases YearsMinimumTermRangeOfOfficeAndRetailLeases	P3Y
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0001500217
CY2015Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	43567365	shares
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014Q4	dei	Entity Number Of Employees EntityNumberOfEmployees	113	Employee
CY2014Q2	dei	Entity Public Float EntityPublicFloat	1256800000	USD
CY2014	dei	Entity Registrant Name EntityRegistrantName	AMERICAN ASSETS TRUST, INC.
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2014	dei	Trading Symbol TradingSymbol	AAT
CY2013Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	37063000	USD
CY2014Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	50861000	USD
CY2013Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	7295000	USD
CY2014Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	6727000	USD
CY2013Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	2985000	USD
CY2014	us-gaap	Increase Decrease In Customer Advances And Deposits IncreaseDecreaseInCustomerAdvancesAndDeposits	358000	USD
CY2014Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	4147000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	92000	USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	692196000	USD
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	795065000	USD
CY2014	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4780000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2852000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2845000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3666000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2900000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2800000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3700000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1000000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	800000	USD
CY2012	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-200000	USD
CY2013	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	2400000	USD
CY2014	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	2800000	USD
CY2012	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	5502000	USD
CY2013	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	6440000	USD
CY2014	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	5057000	USD
CY2012	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	0	USD
CY2013	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	0	USD
CY2014	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-39000	USD
CY2012	us-gaap	Amortization Of Leased Asset AmortizationOfLeasedAsset	10485000	USD
CY2013	us-gaap	Amortization Of Leased Asset AmortizationOfLeasedAsset	6732000	USD
CY2014	us-gaap	Amortization Of Leased Asset AmortizationOfLeasedAsset	3142000	USD
CY2013Q4	us-gaap	Assets Assets	1832443000	USD
CY2014Q4	us-gaap	Assets Assets	1941762000	USD
CY2013Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	28592000	USD
CY2014Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	27161000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income After Year Five BelowMarketLeaseAmortizationIncomeAfterYearFive	22282000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income Next Twelve Months BelowMarketLeaseAmortizationIncomeNextTwelveMonths	4667000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income Year Five BelowMarketLeaseAmortizationIncomeYearFive	3560000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income Year Four BelowMarketLeaseAmortizationIncomeYearFour	3649000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income Year Three BelowMarketLeaseAmortizationIncomeYearThree	4169000	USD
CY2014Q4	us-gaap	Below Market Lease Amortization Income Year Two BelowMarketLeaseAmortizationIncomeYearTwo	4525000	USD
CY2013Q4	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	76502000	USD
CY2014Q4	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	70013000	USD
CY2013Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	47910000	USD
CY2014Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	42852000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	290113000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Buildings BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings	213596000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accounts Payable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable	550000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Noncurrent BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent	3011000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	17028000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Land BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand	48706000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	13123000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities Other BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther	519000	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	270074000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	112723000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	42479000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	48987000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	59357000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-70244000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6508000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	10370000	USD
CY2013Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2012	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	87601000	USD
CY2013	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2014	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	382000	USD
CY2013	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2014	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2013Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	29000000	USD
CY2014Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	32400000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2012Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2012Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2012Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2012	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.84
CY2013Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2100
CY2013Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2013Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
CY2013Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.85
CY2014Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
CY2014Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
CY2014Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
CY2014Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2325
CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.89
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	490000000	shares
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	490000000	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40512563	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	43701669	shares
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	405000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15756000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	437000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	35467000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	17195000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	22222000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	16134000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	6838000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	9053000	USD
CY2012	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	4944000	USD
CY2013	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	5001000	USD
CY2014	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	9908000	USD
CY2013Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	67389000	USD
CY2014Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	195736000	USD
CY2012	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	9452000	USD
CY2013	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	10514000	USD
CY2014	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	10600000	USD
CY2012	us-gaap	Cost Of Real Estate Revenue CostOfRealEstateRevenue	64089000	USD
CY2013	us-gaap	Cost Of Real Estate Revenue CostOfRealEstateRevenue	68608000	USD
CY2014	us-gaap	Cost Of Real Estate Revenue CostOfRealEstateRevenue	68267000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	361000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	370000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	190000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	335000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	362000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	284000	USD
CY2013Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	769000	USD
CY2014Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	981000	USD
CY2013Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	19606000	USD
CY2014Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	20659000	USD
CY2013Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	18071000	USD
CY2014Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	19484000	USD
CY2013Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	58465000	USD
CY2014Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	55993000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	118000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-47000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2013Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	2632000	USD
CY2014Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	5361000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	233000	USD
CY2014Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	219000	USD
CY2012Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	0	USD
CY2013Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	0	USD
CY2014Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	750000	USD
CY2013Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	1145000	USD
CY2014Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	2533000	USD
CY2013Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	32531000	USD
CY2014Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	35883000	USD
CY2013Q4	us-gaap	Deferred Revenue DeferredRevenue	7506000	USD
CY2014Q4	us-gaap	Deferred Revenue DeferredRevenue	7288000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	202000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-40000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-14000	USD
CY2012	us-gaap	Depreciation Depreciation	47800000	USD
CY2013	us-gaap	Depreciation Depreciation	52000000	USD
CY2014	us-gaap	Depreciation Depreciation	56000000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	61853000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	66775000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	66568000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	61853000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	66775000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	66568000	USD
CY2013Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	USD
CY2014Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1448000	USD
CY2012	us-gaap	Direct Costs Of Hotels DirectCostsOfHotels	20905000	USD
CY2013	us-gaap	Direct Costs Of Hotels DirectCostsOfHotels	22115000	USD
CY2014	us-gaap	Direct Costs Of Hotels DirectCostsOfHotels	21488000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	36720000	USD
CY2013	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2014	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	932000	USD
CY2013	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2014	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	6734000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2012	us-gaap	Dividends Dividends	48452000	USD
CY2013	us-gaap	Dividends Dividends	49500000	USD
CY2014	us-gaap	Dividends Dividends	54311000	USD
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.90
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2013Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.08
CY2013Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.08
CY2013Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.11
CY2013Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.11
CY2014Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.11
CY2014Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.09
CY2014Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.15
CY2014Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.16
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.90
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2014Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	5100000	USD
CY2012	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	3813000	USD
CY2013	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	4153000	USD
CY2014	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	3981000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	24534000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Asset Acquired In Place Leases FiniteLivedIntangibleAssetAcquiredInPlaceLeases	18631000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	7399000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Asset Off Market Lease Favorable Gross FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross	5103000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1554000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1590000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	15593000	USD
CY2014	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18532000	USD
CY2012	us-gaap	Gross Profit GrossProfit	149352000	USD
CY2013	us-gaap	Gross Profit GrossProfit	165071000	USD
CY2014	us-gaap	Gross Profit GrossProfit	168769000	USD
CY2013Q4	us-gaap	Incentive To Lessee IncentiveToLessee	1110000	USD
CY2014Q4	us-gaap	Incentive To Lessee IncentiveToLessee	740000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	9181000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	15220000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	21756000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13949000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	22594000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	31145000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.08
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.08
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.11
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.11
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.11
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.09
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.15
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.16
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.24
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.38
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.52
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.24
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.38
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.51
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	37652000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	-11895000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	25757000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.66
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.66
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1016000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	645000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	460000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	1239000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	901000	USD
CY2012	us-gaap	Increase Decrease In Customer Advances And Deposits IncreaseDecreaseInCustomerAdvancesAndDeposits	-50000	USD
CY2013	us-gaap	Increase Decrease In Customer Advances And Deposits IncreaseDecreaseInCustomerAdvancesAndDeposits	307000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	404000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1799000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1167000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1381000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-63000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	45000	USD
CY2012	us-gaap	Increase Decrease In Lease Acquisition Costs IncreaseDecreaseInLeaseAcquisitionCosts	3456000	USD
CY2013	us-gaap	Increase Decrease In Lease Acquisition Costs IncreaseDecreaseInLeaseAcquisitionCosts	3032000	USD
CY2014	us-gaap	Increase Decrease In Lease Acquisition Costs IncreaseDecreaseInLeaseAcquisitionCosts	5098000	USD
CY2012	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	186000	USD
CY2013	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	151000	USD
CY2014	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	188000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-143000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	88000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	107000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-2557000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-453000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3068000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	1000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	755000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	-1198000	USD
CY2012	us-gaap	Interest And Other Income InterestAndOtherIncome	336000	USD
CY2013	us-gaap	Interest And Other Income InterestAndOtherIncome	148000	USD
CY2014	us-gaap	Interest And Other Income InterestAndOtherIncome	155000	USD
CY2012	us-gaap	Interest Costs Incurred InterestCostsIncurred	58074000	USD
CY2013	us-gaap	Interest Costs Incurred InterestCostsIncurred	60133000	USD
CY2014	us-gaap	Interest Costs Incurred InterestCostsIncurred	58455000	USD
CY2012	us-gaap	Interest Expense InterestExpense	57328000	USD
CY2013	us-gaap	Interest Expense InterestExpense	58020000	USD
CY2014	us-gaap	Interest Expense InterestExpense	52965000	USD
CY2012	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	746000	USD
CY2013	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	2113000	USD
CY2014	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	5490000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	55349000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	54345000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	48032000	USD
CY2013Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	0	USD
CY2014Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	1448000	USD
CY2013Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	9013000	USD
CY2014Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	9390000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2378000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2442000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2452000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	1145865000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	1175186000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1832443000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1941762000	USD
CY2013Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	769000	USD
CY2014Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	981000	USD
CY2013Q4	us-gaap	Line Of Credit LineOfCredit	93000000	USD
CY2014Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	1069983000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	142662000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	75224000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	312004000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	235980000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	190139000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	113974000	USD
CY2014	us-gaap	Loss On Contract Termination For Default LossOnContractTerminationForDefault	6600000	USD
CY2012	us-gaap	Management Fee Expense ManagementFeeExpense	2011000	USD
CY2013	us-gaap	Management Fee Expense ManagementFeeExpense	1809000	USD
CY2014	us-gaap	Management Fee Expense ManagementFeeExpense	1752000	USD
CY2012	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-700000	USD
CY2012	us-gaap	Marketing Expense MarketingExpense	1266000	USD
CY2013	us-gaap	Marketing Expense MarketingExpense	1547000	USD
CY2014	us-gaap	Marketing Expense MarketingExpense	1623000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	38067000	USD
CY2014Q4	us-gaap	Minority Interest MinorityInterest	31273000	USD
CY2014Q4	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.293
CY2014Q4	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.707
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	48106000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-27972000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	57599000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-194295000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-58254000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-152840000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-281896000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-58254000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-152840000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	75945000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	92734000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	105611000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	75563000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	92734000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	105611000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	34938000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	3238000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	3077000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	4223000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	4682000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	15220000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	4602000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	3713000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	6417000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	7024000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	21756000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9181000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	22058000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	30771000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15220000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21756000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	51072000	USD
CY2012	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	16134000	USD
CY2013Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1495000	USD
CY2013Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1354000	USD
CY2013Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1903000	USD
CY2013Q4	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2086000	USD
CY2013	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	6838000	USD
CY2014Q1	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1986000	USD
CY2014Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1544000	USD
CY2014Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2578000	USD
CY2014Q4	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2907000	USD
CY2014	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	9015000	USD
CY2013Q4	us-gaap	Notes Payable NotesPayable	962259000	USD
CY2014Q4	us-gaap	Notes Payable NotesPayable	819983000	USD
CY2014	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	Segment
CY2014Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	23	Property
CY2013Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	47910000	USD
CY2014Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	42852000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	163560000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	173956000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	176331000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	71906000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	19880000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	19373000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	21441000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	20407000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	81101000	USD
CY2014Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	20381000	USD
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	17726000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	23036000	USD
CY2014Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	22526000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	83669000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	37232000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2636000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2686000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2686000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2686000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2682000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	23856000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	793370000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	159988000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	69309000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	96844000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	128865000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	144660000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	193704000	USD
CY2012	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	225249000	USD
CY2013	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	242757000	USD
CY2014	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	246078000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	24264000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	26028000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	26371000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	57670000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	53401000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	51601000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	22594000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	31275000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-39000	USD
CY2013Q4	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	655000	USD
CY2014Q4	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	453000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	73000	USD
CY2014Q4	us-gaap	Other Liabilities OtherLiabilities	88000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2422000	USD
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-848000	USD
CY2014	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	95000	USD
CY2012	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	203000	USD
CY2013	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	10000	USD
CY2014	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	746000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-629000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-487000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	441000	USD
CY2012	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	10217000	USD
CY2013	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	12300000	USD
CY2014	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	13922000	USD
CY2012	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	361000	USD
CY2013	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	0	USD
CY2014	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	0	USD
CY2012	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	34582000	USD
CY2013	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	55675000	USD
CY2014	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	144674000	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1355000	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2014	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2141000	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	48452000	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	49500000	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	54311000	USD
CY2012	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
CY2013	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
CY2013	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	USD
CY2014	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4780000	USD
CY2012	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	273990000	USD
CY2014	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	USD
CY2012	us-gaap	Percentage Rent PercentageRent	2608000	USD
CY2013	us-gaap	Percentage Rent PercentageRent	2655000	USD
CY2014	us-gaap	Percentage Rent PercentageRent	3107000	USD
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2013Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	57670000	USD
CY2014Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	53401000	USD
CY2013Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	3269000	USD
CY2014Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	3629000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	25348000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	104107000	USD
CY2012	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	150000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	100000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	0	USD
CY2013	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	-1400000	USD
CY2014	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	0	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	23191000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	4384000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	0	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	0	USD
CY2012	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	132900000	USD
CY2013	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	0	USD
CY2014	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	0	USD
CY2012	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	164000000	USD
CY2013	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	93000000	USD
CY2014	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	0	USD
CY2012	us-gaap	Profit Loss ProfitLoss	51601000	USD
CY2013Q1	us-gaap	Profit Loss ProfitLoss	4865000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	4564000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	6258000	USD
CY2013Q4	us-gaap	Profit Loss ProfitLoss	6907000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	22594000	USD
CY2014Q1	us-gaap	Profit Loss ProfitLoss	6658000	USD
CY2014Q2	us-gaap	Profit Loss ProfitLoss	5351000	USD
CY2014Q3	us-gaap	Profit Loss ProfitLoss	9090000	USD
CY2014Q4	us-gaap	Profit Loss ProfitLoss	10046000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	31145000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	600000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	100000	USD
CY2014	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	200000	USD
CY2011Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	234595000	USD
CY2012Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	270494000	USD
CY2013Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	318581000	USD
CY2014Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	361424000	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	2677000	USD
CY2013	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	3862000	USD
CY2014	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	12316000	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	9216000	USD
CY2013	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	USD
CY2014	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	819983000	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	1642721000	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	494103000	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	488361000	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	1191446000	USD
CY2014Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	457017000	USD
CY2012	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	57188000	USD
CY2013	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	0	USD
CY2014	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	0	USD
CY2014Q4	us-gaap	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	1400000000	USD
CY2011Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1687276000	USD
CY2012Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1938676000	USD
CY2013Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1995417000	USD
CY2014Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2136824000	USD
CY2012	us-gaap	Real Estate Improvements RealEstateImprovements	41303000	USD
CY2013	us-gaap	Real Estate Improvements RealEstateImprovements	60677000	USD
CY2014	us-gaap	Real Estate Improvements RealEstateImprovements	154594000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	318581000	USD
CY2014Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	361424000	USD
CY2013Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1995417000	USD
CY2014Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2136824000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1676836000	USD
CY2014Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1775400000	USD
CY2012	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	270082000	USD
CY2013	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	0	USD
CY2014	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	0	USD
CY2012	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	2797000	USD
CY2013	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	3936000	USD
CY2014	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	13187000	USD
CY2012	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	22025000	USD
CY2013	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	21378000	USD
CY2014	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	22964000	USD
CY2013Q4	us-gaap	Rental Properties RentalProperties	1919015000	USD
CY2014Q4	us-gaap	Rental Properties RentalProperties	1931698000	USD
CY2012	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	164000000	USD
CY2012	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	34626000	USD
CY2013	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2014	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	93000000	USD
CY2013	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	95420000	USD
CY2014	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	142276000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9124000	USD
CY2014Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10994000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-44090000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-60291000	USD
CY2012	us-gaap	Revenue From Leased And Owned Hotels RevenueFromLeasedAndOwnedHotels	31729000	USD
CY2013	us-gaap	Revenue From Leased And Owned Hotels RevenueFromLeasedAndOwnedHotels	35137000	USD
CY2014	us-gaap	Revenue From Leased And Owned Hotels RevenueFromLeasedAndOwnedHotels	33911000	USD
CY2012	us-gaap	Revenues Revenues	235466000	USD
CY2013Q1	us-gaap	Revenues Revenues	62180000	USD
CY2013Q2	us-gaap	Revenues Revenues	62914000	USD
CY2013Q3	us-gaap	Revenues Revenues	65318000	USD
CY2013Q4	us-gaap	Revenues Revenues	64645000	USD
CY2013	us-gaap	Revenues Revenues	255057000	USD
CY2014Q1	us-gaap	Revenues Revenues	63980000	USD
CY2014Q2	us-gaap	Revenues Revenues	62199000	USD
CY2014Q3	us-gaap	Revenues Revenues	67343000	USD
CY2014Q4	us-gaap	Revenues Revenues	66478000	USD
CY2014	us-gaap	Revenues Revenues	260000000	USD
CY2012	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	47792000	USD
CY2013	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	51949000	USD
CY2014	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	55159000	USD
CY2013Q4	us-gaap	Secured Debt SecuredDebt	952174000	USD
CY2014Q4	us-gaap	Secured Debt SecuredDebt	812811000	USD
CY2013Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	5163000	USD
CY2014Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	5521000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	2852000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	2845000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	3666000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4054411	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3560872	shares
CY2013	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2013	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	24910000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	104148000	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	648511000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	735303000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	679728000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	685729000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	686578000	USD
CY2012	us-gaap	Straight Line Rent StraightLineRent	7200000	USD
CY2013	us-gaap	Straight Line Rent StraightLineRent	2600000	USD
CY2014	us-gaap	Straight Line Rent StraightLineRent	1900000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	766576000	USD
CY2012	us-gaap	Tenant Reimbursements TenantReimbursements	27763000	USD
CY2013	us-gaap	Tenant Reimbursements TenantReimbursements	27583000	USD
CY2014	us-gaap	Tenant Reimbursements TenantReimbursements	29052000	USD
CY2013Q4	us-gaap	Unsecured Debt UnsecuredDebt	0	USD
CY2014Q4	us-gaap	Unsecured Debt UnsecuredDebt	250000000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57053909	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57515810	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59947474	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38736113	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39539457	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42041126	shares
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-top:12px;text-align:left;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, referred to as “GAAP,” requires management to make estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities, and revenues and expenses. These estimates are prepared using management's best judgment, after considering past, current and expected events and economic conditions. Actual results could differ from these estimates. </font></div></div>

Files In Submission

Name	View Source	Status
0001500217-15-000039-index-headers.html	Edgar Link	pending
0001500217-15-000039-index.html	Edgar Link	pending
0001500217-15-000039.txt	Edgar Link	pending
0001500217-15-000039-xbrl.zip	Edgar Link	pending
a2014-10kq4.htm	Edgar Link	pending
aat-20141231.xml	Edgar Link	completed
aat-20141231.xsd	Edgar Link	pending
aat-20141231_cal.xml	Edgar Link	unprocessable
aat-20141231_def.xml	Edgar Link	unprocessable
aat-20141231_lab.xml	Edgar Link	unprocessable
aat-20141231_pre.xml	Edgar Link	unprocessable
aat-ex211x20141231x10xkq4.htm	Edgar Link	pending
aat-ex231eyconsentq42014.htm	Edgar Link	pending
aat-ex311xq42014.htm	Edgar Link	pending
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aatex33certificateoflimite.htm	Edgar Link	pending
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Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
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$AAT
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2013 Q4 Form 10-K Financial Statement

#000150021715000039 Filed on February 20, 2015

Income Statement

Balance Sheet

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Facts In Submission

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$AAT American Assets Trust, Inc. Stock $aat

2013 Q4 Form 10-K Financial Statement

#000150021715000039 Filed on February 20, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAT
American Assets Trust, Inc. Stock $aat