$AKR
ACADIA REALTY TRUST Stock $akr

$akr Overview Financials Valuation SEC Filings Company Website

2013 Q1 Form 10-K Financial Statement

#000089962913000007 Filed on February 27, 2013

Income Statement

Concept	2013 Q1	2012 Q4	2012 Q3
Revenue	$42.29M	$31.82M	$29.58M
YoY Change	66.94%	10.54%	8.13%
Cost Of Revenue	$9.470M	$13.40M	$8.230M
YoY Change	10.63%	52.79%	265.78%
Gross Profit	$32.82M	$23.74M	$20.60M
YoY Change	53.29%	18.58%	114.14%
Gross Profit Margin	77.61%	74.61%	69.64%
Selling, General & Admin	$5.630M	$4.610M	$5.520M
YoY Change	-5.06%	-22.39%	-3.83%
% of Gross Profit	17.15%	19.42%	26.8%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$10.63M	$9.100M	$10.40M
YoY Change	16.27%	5.81%	23.81%
% of Gross Profit	32.38%	38.33%	50.49%
Operating Expenses	$25.84M	$14.13M	$21.73M
YoY Change	13.99%	12.14%	-15.78%
Operating Profit	$16.45M	$9.610M	$7.098M
YoY Change	127.04%	29.51%	-29.46%
Interest Expense	-$7.040M	-$7.770M	-$8.620M
YoY Change	6.51%	-10.38%	515.71%
% of Operating Profit	-42.79%	-80.85%	-121.44%
Other Income/Expense, Net		$2.370M
YoY Change
Pretax Income	$9.416M	$4.010M	-$1.525M
YoY Change	1276.61%	-420.8%	-146.45%
Income Tax	-$139.0K	-$1.700M	-$104.0K
% Of Pretax Income	-1.48%	-42.39%
Net Earnings	$11.18M	$21.28M	$6.655M
YoY Change	296.0%	169.71%	43.21%
Net Earnings / Revenue	26.43%	66.88%	22.5%
Basic Earnings Per Share	$0.18	$0.42	$0.16
Diluted Earnings Per Share	$0.18	$0.42	$0.16
COMMON SHARES
Basic Shares Outstanding	53.47M shares	50.05M shares	46.34M shares
Diluted Shares Outstanding	53.50M shares	50.58M shares	46.81M shares

Balance Sheet

Concept	2013 Q1	2012 Q4	2012 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$81.80M	$91.80M	$85.30M
YoY Change	64.59%	2.23%	-12.96%
Cash & Equivalents	$81.83M	$91.81M	$81.83M
Short-Term Investments
Other Short-Term Assets	$45.80M	$28.30M	$38.00M
YoY Change	16.54%	10.55%	37.68%
Inventory		$246.6M
Prepaid Expenses
Receivables	$33.30M	$17.30M	$30.50M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$160.9M	$384.0M	$153.8M
YoY Change	37.99%	174.48%	3.36%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.543B	$883.8M	$1.500B
YoY Change	12.04%	-5.8%	19.13%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$222.5M	$221.9M	$88.60M
YoY Change	161.46%	162.29%	13.01%
Other Assets	$232.0M	$260.9M	$49.40M
YoY Change	419.02%	-35.42%	-11.63%
Total Long-Term Assets	$2.135B	$1.524B	$1.716B
YoY Change	70.0%	0.73%	17.73%
TOTAL ASSETS
Total Short-Term Assets	$160.9M	$384.0M	$153.8M
Total Long-Term Assets	$2.135B	$1.524B	$1.716B
Total Assets	$2.296B	$1.908B	$1.870B
YoY Change	67.28%	15.43%	16.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$31.10M	$27.40M	$34.70M
YoY Change	-10.37%	-25.14%	8.44%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$55.40M	$59.80M	$65.90M
YoY Change	-14.37%	-9.67%	8.21%
LONG-TERM LIABILITIES
Long-Term Debt	$1.102B	$604.0M	$872.2M
YoY Change	35.65%	-6.89%	0.11%
Other Long-Term Liabilities	$51.50M	$174.4M	$32.90M
YoY Change	97.32%	3.13%	32.66%
Total Long-Term Liabilities	$1.154B	$778.4M	$905.1M
YoY Change	37.57%	-4.82%	1.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$55.40M	$59.80M	$65.90M
Total Long-Term Liabilities	$1.154B	$778.4M	$905.1M
Total Liabilities	$1.209B	$838.2M	$971.0M
YoY Change	33.85%	-5.18%	1.47%
SHAREHOLDERS EQUITY
Retained Earnings	$43.34M	$45.13M	$33.27M
YoY Change	22.02%	14.78%	-14.91%
Common Stock	$635.5M	$582.0M	$450.2M
YoY Change	72.2%	66.89%	48.18%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$673.9M	$622.8M	$478.7M
YoY Change
Total Liabilities & Shareholders Equity	$2.296B	$1.908B	$1.900B
YoY Change	32.96%	15.43%	18.25%

Cashflow Statement

Concept	2013 Q1	2012 Q4	2012 Q3
OPERATING ACTIVITIES
Net Income	$11.18M	$21.28M	$6.655M
YoY Change	296.0%	169.71%	43.21%
Depreciation, Depletion And Amortization	$10.63M	$9.100M	$10.40M
YoY Change	16.27%	5.81%	23.81%
Cash From Operating Activities	$4.233M	$23.70M	$2.900M
YoY Change	-64.34%	-12.87%	-84.66%
INVESTING ACTIVITIES
Capital Expenditures	-$104.5M	-$48.90M	-$40.20M
YoY Change	51.89%	-353.37%	-8.22%
Acquisitions
YoY Change
Other Investing Activities	$5.700M	$102.1M	$17.80M
YoY Change	-130.81%	-238.53%	-279.8%
Cash From Investing Activities	-$98.89M	$53.40M	-$22.50M
YoY Change	13.25%	-197.98%	-58.1%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$51.84M
YoY Change	-757.95%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$84.67M	-70.50M	38.40M
YoY Change	139.84%	-471.05%	-340.0%
NET CHANGE
Cash From Operating Activities	$4.233M	23.70M	2.900M
Cash From Investing Activities	-$98.89M	53.40M	-22.50M
Cash From Financing Activities	$84.67M	-70.50M	38.40M
Net Change In Cash	-$9.982M	6.600M	18.80M
YoY Change	-75.13%	-179.52%	-137.01%
FREE CASH FLOW
Cash From Operating Activities	$4.233M	$23.70M	$2.900M
Capital Expenditures	-$104.5M	-$48.90M	-$40.20M
Free Cash Flow	$108.7M	$72.60M	$43.10M
YoY Change	34.79%	818.99%	-31.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Mortgage Loans On Real Estate Prior Liens MortgageLoansOnRealEstatePriorLiens	0	USD
CY2011	us-gaap	Mortgage Loans On Real Estate Write Down Or Reserve Amount MortgageLoansOnRealEstateWriteDownOrReserveAmount	240000	USD
CY2010	us-gaap	Mortgage Loans On Real Estate Write Down Or Reserve Amount MortgageLoansOnRealEstateWriteDownOrReserveAmount	93000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate Write Down Or Reserve Amount MortgageLoansOnRealEstateWriteDownOrReserveAmount	405000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	34857000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	32052000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	145721000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4248000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	126425000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	43152000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	79074000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	56045000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-60745000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-153157000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-136745000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	66332000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	59672000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	44377000	USD
CY2010	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20610000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50230000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2160000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3256000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	3256000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4362000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4174000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	969487000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	51555000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	39706000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30057000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4011000	USD
CY2011Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7887000	USD
CY2011Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30234000	USD
CY2011Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9423000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21276000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6839000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7581000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4010000	USD
CY2012	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	reportable_segments
CY2012Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	14115000	USD
CY2011Q4	us-gaap	Off Market Lease Unfavorable OffMarketLeaseUnfavorable	5462000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	83026000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	99568000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	77142000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	39248000	USD
CY2010	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	127823000	USD
CY2012	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	549095000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	45127000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	39317000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	102003000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	73551000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	81154000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	86460000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	93026000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	533293000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	638763000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	332621000	USD
CY2012Q4	us-gaap	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	1347000000	USD
CY2009Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	817170000	USD
CY2010Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	950710000	USD
CY2011Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1098761000	USD
CY2012Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1495742000	USD
CY2011	us-gaap	Real Estate Improvements RealEstateImprovements	42167000	USD
CY2010	us-gaap	Real Estate Improvements RealEstateImprovements	133540000	USD
CY2010	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	75082000	USD
CY2011	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	80140000	USD
CY2012	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	99697000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1251000	USD
CY2011Q3	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	27356000	USD
CY2012Q1	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	29913000	USD
CY2012Q4	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	37141000	USD
CY2012Q2	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	32723000	USD
CY2012Q3	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	34648000	USD
CY2011	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	15320000	USD
CY2012	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	18811000	USD
CY2012	us-gaap	Real Estate Improvements RealEstateImprovements	72633000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	187029000	USD
CY2011Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	160541000	USD
CY2011Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	880377000	USD
CY2012Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1249140000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1062111000	USD
CY2011Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	719836000	USD
CY2011	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	105884000	USD
CY2010	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	0	USD
CY2012	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	324348000	USD
CY2010	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	116390000	USD
CY2012	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	134425000	USD
CY2011	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	115078000	USD
CY2011Q4	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	28783000	USD
CY2011Q1	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	29733000	USD
CY2011Q2	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	29206000	USD
CY2010	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	14006000	USD
CY2011	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	161389000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-731000	USD
CY2011	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	694000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1455000	USD
CY2011Q4	us-gaap	Other Liabilities OtherLiabilities	18517000	USD
CY2012Q4	us-gaap	Other Liabilities OtherLiabilities	21303000	USD
CY2010	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4237000	USD
CY2011	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-724000	USD
CY2012	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	1009000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2530000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	66000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	3081000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	2749000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	2268000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-3519000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2683000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-5611000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	0	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3898000	USD
CY2010	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	840000	USD
CY2012	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	6772000	USD
CY2011	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	2877000	USD
CY2010	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	6830000	USD
CY2011	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	65090000	USD
CY2010	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	77671000	USD
CY2012	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	88787000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	726000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	762000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	966000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	32143000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	28909000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	29033000	USD
CY2012	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	762000	USD
CY2011	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	206000	USD
CY2010	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2010	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	19116000	USD
CY2012	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	160888000	USD
CY2011	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	54981000	USD
CY2012	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	108629000	USD
CY2011	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	34343000	USD
CY2010	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	0	USD
CY2012	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	241894000	USD
CY2010	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	2849000	USD
CY2011	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	116408000	USD
CY2012	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	161765000	USD
CY2010	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1638000	USD
CY2011	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8605000	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	25572000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	29241000	USD
CY2012	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	25388000	USD
CY2010	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	42010000	USD
CY2011	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	56519000	USD
CY2010	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	12124000	USD
CY2011	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	5515000	USD
CY2012	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	3733000	USD
CY2012	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	3672000	USD
CY2011	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2010	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	433815000	USD
CY2010	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	175793000	USD
CY2011	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	144959000	USD
CY2011	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	117945000	USD
CY2012	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	172228000	USD
CY2010	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	33556000	USD
CY2012	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	419372000	USD
CY2011	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	62940000	USD
CY2010	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	0	USD
CY2010	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	209000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	91000	USD
CY2011	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	109000	USD
CY2010	us-gaap	Profit Loss ProfitLoss	50667000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	89936000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	53715000	USD
CY2010	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
CY2011	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
CY2012	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	405000	USD
CY2011Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	160541000	USD
CY2010Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	143232000	USD
CY2009Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	124562000	USD
CY2012Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	187029000	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	26488000	USD
CY2010	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	18670000	USD
CY2011	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	17309000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Accumulated Depreciation RealEstateAndAccumulatedDepreciationAccumulatedDepreciation	187029000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	727048000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	1156393000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	339349000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements	1495742000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	524358000	USD
CY2010	akr	Issuance Of Common Shares To Trustees Value IssuanceOfCommonSharesToTrusteesValue	266000	USD
CY2011	akr	Mortgage Loans On Real Estate Conversion Of Real Estate MortgageLoansOnRealEstateConversionOfRealEstate	0	USD
CY2012	akr	Mortgage Loans On Real Estate Conversion Of Real Estate MortgageLoansOnRealEstateConversionOfRealEstate	-14000000	USD
CY2010	akr	Mortgage Loans On Real Estate Conversion Of Real Estate MortgageLoansOnRealEstateConversionOfRealEstate	0	USD
CY2012Q4	akr	Mortgage Loans On Real Estate Net Carrying Amount MortgageLoansOnRealEstateNetCarryingAmount	69200000	USD
CY2011	akr	Mortgage Loans On Real Estate Reclass To Investments In Unconsolidated Affiliates MortgageLoansOnRealEstateReclassToInvestmentsInUnconsolidatedAffiliates	-8000000	USD
CY2010	akr	Mortgage Loans On Real Estate Reclass To Investments In Unconsolidated Affiliates MortgageLoansOnRealEstateReclassToInvestmentsInUnconsolidatedAffiliates	0	USD
CY2012	akr	Mortgage Loans On Real Estate Reclass To Investments In Unconsolidated Affiliates MortgageLoansOnRealEstateReclassToInvestmentsInUnconsolidatedAffiliates	0	USD
CY2012	akr	Noncash Accretion Of Notes Receivable NoncashAccretionOfNotesReceivable	453000	USD
CY2010	akr	Noncash Accretion Of Notes Receivable NoncashAccretionOfNotesReceivable	6164000	USD
CY2011	akr	Noncash Accretion Of Notes Receivable NoncashAccretionOfNotesReceivable	786000	USD
CY2011	akr	Issuance Of Op Units To Acquire Real Estate IssuanceOfOpUnitsToAcquireRealEstate	0	USD
CY2011Q4	us-gaap	Land Land	176278000	USD
CY2012Q4	us-gaap	Land Land	293691000	USD
CY2010	akr	Issuance Of Op Units To Acquire Real Estate IssuanceOfOpUnitsToAcquireRealEstate	0	USD
CY2012Q4	akr	Long Term Debt And Convertible Notes Payable LongTermDebtAndConvertibleNotesPayable	728085000	USD
CY2012	akr	Mortgage Interest Income MortgageInterestIncome	7879000	USD
CY2010	akr	Mortgage Interest Income MortgageInterestIncome	19161000	USD
CY2012Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	29309000	USD
CY2011Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	36569000	USD
CY2012Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	27744000	USD
CY2011Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	23089000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-4300000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-3900000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4307000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3913000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	581925000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	348667000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	6100000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5300000	USD
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2010	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1042000	USD
CY2011	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	829000	USD
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3918000	USD
CY2010	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6054000	USD
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3569000	USD
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	25067	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	25067	shares
CY2012Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	0	USD
CY2012Q4	us-gaap	Liabilities Liabilities	838184000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	884010000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1653319000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1908440000	USD
CY2012Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	13098000	USD
CY2011Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	145169000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	177079000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	93050000	USD
CY2012	us-gaap	Line Of Credit Facility Decrease Repayments LineOfCreditFacilityDecreaseRepayments	84029000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	214498000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	121448000	USD
CY2011Q4	us-gaap	Long Term Debt LongTermDebt	647739000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	727048000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	39938000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	108974000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	81192000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	116402000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	325388000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	56191000	USD
CY2011	us-gaap	Management Fees Revenue ManagementFeesRevenue	1674000	USD
CY2012	us-gaap	Management Fees Revenue ManagementFeesRevenue	1455000	USD
CY2010	us-gaap	Management Fees Revenue ManagementFeesRevenue	1424000	USD
CY2011	akr	Mortgage Interest Income MortgageInterestIncome	11429000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	93808000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	120592000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	26784000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-30780000	USD
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	25067	shares
CY2011Q4	us-gaap	Assets Assets	1653319000	USD
CY2012Q4	us-gaap	Assets Assets	1908440000	USD
CY2011Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	363883000	USD
CY2012Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	22061000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	91813000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	89812000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2001000	USD
CY2012	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	1500000	USD
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2011Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2011Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2011Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2011Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2012Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2013Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	42586376	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52482598	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52482598	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	42586376	shares
CY2012Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	25700000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	43000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	52000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39312000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	50499000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	30194000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	686000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	20539000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	49373000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	50733000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	51185000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	88685000	USD
CY2011Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	930000	USD
CY2012Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	930000	USD
CY2012Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	727100000	USD
CY2011Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	647739000	USD
CY2012	us-gaap	Debt Instrument Interest Rate Effective Percentage Rate Range Maximum DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum	0.0725
CY2012	us-gaap	Debt Instrument Interest Rate Effective Percentage Rate Range Minimum DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum	0.01
CY2012Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	-107000	USD
CY2011Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	33000	USD
CY2012Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	26777000	USD
CY2011Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	19608000	USD
CY2012Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	31835000	USD
CY2011Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	24438000	USD
CY2011Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	22800000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	200000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	300000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	200000	USD
CY2012	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.5
CY2011	us-gaap	Depreciation And Amortization DepreciationAndAmortization	25672000	USD
CY2010	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23419000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32931000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	34499000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	38769000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33683000	USD
CY2011Q4	us-gaap	Development In Process DevelopmentInProcess	218384000	USD
CY2012Q4	us-gaap	Development In Process DevelopmentInProcess	246602000	USD
CY2012	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	18000	USD
CY2011	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	18000	USD
CY2010	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	18000	USD
CY2010	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	19508000	USD
CY2011	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	17513000	USD
CY2012	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	21991000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2012	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	71203000	USD
CY2011	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	46830000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	10720000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	8752000	USD
CY2010	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	3520000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	31640000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	26744000	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	33048000	USD
CY2011Q4	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	1920000	USD
CY2012Q4	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	765000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	40392000	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	36568000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	37464000	USD
CY2010	us-gaap	Dividends Common Stock DividendsCommonStock	29699000	USD
CY2012	us-gaap	Dividends Common Stock DividendsCommonStock	34994000	USD
CY2011	us-gaap	Dividends Common Stock DividendsCommonStock	30428000	USD
CY2011Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	7914000	USD
CY2012Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	9674000	USD
CY2012Q4	us-gaap	Due From Related Parties DueFromRelatedParties	210000	USD
CY2011Q4	us-gaap	Due From Related Parties DueFromRelatedParties	1375000	USD
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	9600000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y7M6D
CY2010	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	20000	USD
CY2012	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	10000	USD
CY2011	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	10000	USD
CY2011	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	USD
CY2010	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	USD
CY2012	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	2032000	USD
CY2010	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-1479000	USD
CY2012	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	3061000	USD
CY2011	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	USD
CY2011Q4	us-gaap	Escrow Deposit EscrowDeposit	20482000	USD
CY2012Q4	us-gaap	Escrow Deposit EscrowDeposit	18934000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3276000	USD
CY2010Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3036000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3681000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26721000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	31975000	USD
CY2010	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	33805000	USD
CY2012	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	0	USD
CY2011	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	0	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	21532000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	23066000	USD
CY2011	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	6925000	USD
CY2010	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-198000	USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	1268000	USD
CY2010	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20209000	USD
CY2012	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2010	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2010	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	28233000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	24034000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	18713000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	7897000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3841000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3514000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3462000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6238000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	5677000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	8682000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3437000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	-13480000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	-13655000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	18914000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	5519000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	50016000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9986000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	47147000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	5058000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	10554000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.51
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.45
CY2010	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.69
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.09
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.08
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.19
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.09
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.13
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.13
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.08
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.17
CY2010	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.69
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.45
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.51
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.08
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.19
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.09
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.09
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.17
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.13
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.08
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.13
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	79382000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3520000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	48657000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	15815000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	63710000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	1696000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	32842000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	15672000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1824000	USD
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	26393000	USD
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1526000	USD
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	497000	USD
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	4425000	USD
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1343000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1162000	USD
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	573000	USD
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	12594000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.80
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.04
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.34
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.10
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.64
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.04
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.25
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.80
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.34
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.11
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.64
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.25
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1555000	USD
CY2010	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	12450000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	550000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	461000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-568000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2869000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-699000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1943000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	128000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-159000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	0	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	266000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	133000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-35000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-21000	USD
CY2010	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	USD
CY2012	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	-553000	USD
CY2011	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	358000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	20000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-109000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	3776000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	941000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	1263000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	14513000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5648000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1874000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8894000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6757000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4662000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	2408000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	250000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-1034000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-903000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	709000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3517000	USD
CY2010	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4297000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1283000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5906000	USD
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	456000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	264000	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	245000	shares
CY2012	us-gaap	Interest And Debt Expense InterestAndDebtExpense	28768000	USD
CY2011	us-gaap	Interest And Debt Expense InterestAndDebtExpense	29632000	USD
CY2010	us-gaap	Interest And Debt Expense InterestAndDebtExpense	34414000	USD
CY2012	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	5955000	USD
CY2010	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	2903000	USD
CY2011	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	4850000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	31920000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	32327000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	32120000	USD
CY2011Q4	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	5885000	USD
CY2012Q4	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	2429000	USD
CY2012Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	953020000	USD
CY2011Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	698214000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	406000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	148000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	276000	USD
CY2011Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	84568000	USD
CY2012Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	221694000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	4021000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	4299000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	4104000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	137000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	24000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	30000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	137647	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	150283	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	152283	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.33
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.20
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.71
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	6000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	877000	USD
CY2010	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y6M
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	93000	USD
CY2010	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	100000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	75000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	769309000	USD
CY2011	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	724000	USD
CY2012	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	172000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	384114000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	622797000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1070256000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	272000	USD
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.21
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.23
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y6M
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y7M6D
CY2010	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	3838000	USD
CY2011	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	4032000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	3640000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	187000	USD
CY2010	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	109000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	16000	USD
CY2010	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	966000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	587522000	USD
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	532477000	USD
CY2012	us-gaap	Tenant Reimbursements TenantReimbursements	24385000	USD
CY2011	us-gaap	Tenant Reimbursements TenantReimbursements	21141000	USD
CY2010	us-gaap	Tenant Reimbursements TenantReimbursements	19883000	USD
CY2012	us-gaap	Trustee Fees TrusteeFees	0.2	USD
CY2012	us-gaap	Undistributed Earnings UndistributedEarnings	23568000	USD
CY2011	us-gaap	Undistributed Earnings UndistributedEarnings	18329000	USD
CY2010	us-gaap	Undistributed Earnings UndistributedEarnings	27844000	USD
CY2011	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	384000	USD
CY2012	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	466000	USD
CY2012Q4	akr	Mortgage Loans On Real Estate Accrued Interest MortgageLoansOnRealEstateAccruedInterest	2745000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46812349	shares
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44673565	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40406000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40580173	shares
CY2011Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42066390	shares
CY2010	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	389000	USD
CY2011	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	18347000	USD
CY2012	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	23586000	USD
CY2010	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	27862000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:10px;padding-top:10px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Accounting principles generally accepted in the United States of America (“GAAP”) require the Company’s management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The most significant assumptions and estimates relate to the valuation of real estate, depreciable lives, revenue recognition and the collectability of notes receivable and rents receivable. Application of these estimates and assumptions requires the exercise of judgment as to future uncertainties and, as a result, actual results could differ from these estimates.</font></div></div>
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	481000	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	289000	shares
CY2010	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	270000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40986000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46335000	shares
CY2011Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40633317	shares
CY2011Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40628781	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43146093	shares
CY2012Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50582584	shares
CY2010	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	40136000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	40697000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	45854000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40317603	shares
CY2011Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40333575	shares
CY2011Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41785261	shares
CY2011Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40339958	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44245401	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42735731	shares
CY2012Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50046774	shares
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46338218	shares
CY2011	akr	Acquisition Of Interest In Unconsolidated Affiliate Assumption Of Mortgage Debt AcquisitionOfInterestInUnconsolidatedAffiliateAssumptionOfMortgageDebt	0	USD
CY2010	akr	Acquisition Of Interest In Unconsolidated Affiliate Assumption Of Mortgage Debt AcquisitionOfInterestInUnconsolidatedAffiliateAssumptionOfMortgageDebt	-25990000	USD
CY2012	akr	Acquisition Of Interest In Unconsolidated Affiliate Assumption Of Mortgage Debt AcquisitionOfInterestInUnconsolidatedAffiliateAssumptionOfMortgageDebt	0	USD
CY2010	akr	Acquisition Of Interest In Unconsolidated Affiliate Investment In Unconsolidated Affiliates AcquisitionOfInterestInUnconsolidatedAffiliateInvestmentInUnconsolidatedAffiliates	-37824000	USD
CY2012	akr	Acquisition Of Interest In Unconsolidated Affiliate Investment In Unconsolidated Affiliates AcquisitionOfInterestInUnconsolidatedAffiliateInvestmentInUnconsolidatedAffiliates	0	USD
CY2011	akr	Acquisition Of Interest In Unconsolidated Affiliate Investment In Unconsolidated Affiliates AcquisitionOfInterestInUnconsolidatedAffiliateInvestmentInUnconsolidatedAffiliates	0	USD
CY2010	akr	Acquisition Of Interest In Unconsolidated Affiliate Other Assets And Liabilities AcquisitionOfInterestInUnconsolidatedAffiliateOtherAssetsAndLiabilities	-7532000	USD
CY2011	akr	Acquisition Of Interest In Unconsolidated Affiliate Other Assets And Liabilities AcquisitionOfInterestInUnconsolidatedAffiliateOtherAssetsAndLiabilities	0	USD
CY2012	akr	Acquisition Of Interest In Unconsolidated Affiliate Other Assets And Liabilities AcquisitionOfInterestInUnconsolidatedAffiliateOtherAssetsAndLiabilities	0	USD
CY2010	akr	Acquisition Of Interest In Unconsolidated Affiliate Real Estate Net AcquisitionOfInterestInUnconsolidatedAffiliateRealEstateNet	-108000000	USD
CY2011	akr	Acquisition Of Interest In Unconsolidated Affiliate Real Estate Net AcquisitionOfInterestInUnconsolidatedAffiliateRealEstateNet	0	USD
CY2012	akr	Acquisition Of Interest In Unconsolidated Affiliate Real Estate Net AcquisitionOfInterestInUnconsolidatedAffiliateRealEstateNet	0	USD
CY2012	akr	Acquisition Of Real Estate Through Assumption Of Debt AcquisitionOfRealEstateThroughAssumptionOfDebt	63766000	USD
CY2011	akr	Acquisition Of Real Estate Through Assumption Of Debt AcquisitionOfRealEstateThroughAssumptionOfDebt	0	USD
CY2010	akr	Acquisition Of Real Estate Through Assumption Of Debt AcquisitionOfRealEstateThroughAssumptionOfDebt	0	USD
CY2012	akr	Allocation Of Dividends Capital Gain Percent AllocationOfDividendsCapitalGainPercent	0.37
CY2011	akr	Allocation Of Dividends Capital Gain Percent AllocationOfDividendsCapitalGainPercent	0.03
CY2010	akr	Allocation Of Dividends Capital Gain Percent AllocationOfDividendsCapitalGainPercent	0.00
CY2010	akr	Allocation Of Dividends Ordinary Income Percent AllocationOfDividendsOrdinaryIncomePercent	1.00
CY2012	akr	Allocation Of Dividends Ordinary Income Percent AllocationOfDividendsOrdinaryIncomePercent	0.63
CY2011	akr	Allocation Of Dividends Ordinary Income Percent AllocationOfDividendsOrdinaryIncomePercent	0.75
CY2011	akr	Allocation Of Dividends Percent AllocationOfDividendsPercent	1
CY2012	akr	Allocation Of Dividends Percent AllocationOfDividendsPercent	1
CY2010	akr	Allocation Of Dividends Percent AllocationOfDividendsPercent	1
CY2011	akr	Allocation Of Dividends Qualified Dividend Percent AllocationOfDividendsQualifiedDividendPercent	0.22
CY2012	akr	Allocation Of Dividends Qualified Dividend Percent AllocationOfDividendsQualifiedDividendPercent	0.00
CY2010	akr	Allocation Of Dividends Qualified Dividend Percent AllocationOfDividendsQualifiedDividendPercent	0.00
CY2012Q4	akr	Assets Continued Operations AssetsContinuedOperations	1886379000	USD
CY2010Q4	akr	Assets Continued Operations AssetsContinuedOperations	1187380000	USD
CY2011Q4	akr	Assets Continued Operations AssetsContinuedOperations	1289436000	USD
CY2011Q4	akr	Business Interruption Insurance Deductible BusinessInterruptionInsuranceDeductible	100000	USD
CY2012	akr	Cash Included In Investment In Real Estate CashIncludedInInvestmentInRealEstate	0	USD
CY2010	akr	Cash Included In Investment In Real Estate CashIncludedInInvestmentInRealEstate	-2849000	USD
CY2011	akr	Cash Included In Investment In Real Estate CashIncludedInInvestmentInRealEstate	0	USD
CY2012	akr	Conversion Of Note Receivable To Acquire Real Estate ConversionOfNoteReceivableToAcquireRealEstate	14000000	USD
CY2012	akr	Issuance Of Common Shares To Trustees Value IssuanceOfCommonSharesToTrusteesValue	384000	USD
CY2011	akr	Issuance Of Common Shares To Trustees Value IssuanceOfCommonSharesToTrusteesValue	264000	USD
CY2011	akr	Issuance Of Ltip Unit Awards To Employees IssuanceOfLtipUnitAwardsToEmployees	2441000	USD
CY2012	akr	Issuance Of Ltip Unit Awards To Employees IssuanceOfLtipUnitAwardsToEmployees	2577000	USD
CY2012	akr	Issuance Of Op Units To Acquire Real Estate IssuanceOfOpUnitsToAcquireRealEstate	2279000	USD
CY2010	akr	Conversion Of Note Receivable To Acquire Real Estate ConversionOfNoteReceivableToAcquireRealEstate	0	USD
CY2011	akr	Conversion Of Note Receivable To Acquire Real Estate ConversionOfNoteReceivableToAcquireRealEstate	0	USD
CY2010	akr	Deferred Acquisition And Leasing Cost DeferredAcquisitionAndLeasingCost	3904000	USD
CY2012	akr	Deferred Acquisition And Leasing Cost DeferredAcquisitionAndLeasingCost	7275000	USD
CY2011	akr	Deferred Acquisition And Leasing Cost DeferredAcquisitionAndLeasingCost	6298000	USD
CY2012Q4	akr	Deferred Costs Accumulated Amortization DeferredCostsAccumulatedAmortization	37360000	USD
CY2011Q4	akr	Deferred Costs Accumulated Amortization DeferredCostsAccumulatedAmortization	32022000	USD
CY2012Q4	akr	Deferred Costs Gross DeferredCostsGross	64137000	USD
CY2011Q4	akr	Deferred Costs Gross DeferredCostsGross	51630000	USD
CY2012Q4	akr	Deferred Leasing And Other Costs DeferredLeasingAndOtherCosts	32302000	USD
CY2011Q4	akr	Deferred Leasing And Other Costs DeferredLeasingAndOtherCosts	27192000	USD
CY2012	akr	Defined Contribution Plan Maximum Employee Annual Salary Contribution Amount DefinedContributionPlanMaximumEmployeeAnnualSalaryContributionAmount	0	USD
CY2012	akr	Defined Contribution Plan Maximum Employee Annual Salary Contribution Percentage DefinedContributionPlanMaximumEmployeeAnnualSalaryContributionPercentage	0.15
CY2012Q4	akr	Denominator For Series Preferred Op Unit Conversion DenominatorForSeriesPreferredOpUnitConversion	7.50	USD
CY2012	akr	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Gross DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationGross	74605000	USD
CY2010	akr	Discontinued Operations Gain Loss On Extinguishment Of Debt DiscontinuedOperationsGainLossOnExtinguishmentOfDebt	0	USD
CY2011	akr	Discontinued Operations Gain Loss On Extinguishment Of Debt DiscontinuedOperationsGainLossOnExtinguishmentOfDebt	0	USD
CY2012	akr	Discontinued Operations Gain Loss On Extinguishment Of Debt DiscontinuedOperationsGainLossOnExtinguishmentOfDebt	-2541000	USD
CY2012	akr	Discontinued Operations Impairment Of Real Estate DiscontinuedOperationsImpairmentOfRealEstate	0	USD
CY2011	akr	Discontinued Operations Impairment Of Real Estate DiscontinuedOperationsImpairmentOfRealEstate	6925000	USD
CY2010	akr	Discontinued Operations Impairment Of Real Estate DiscontinuedOperationsImpairmentOfRealEstate	0	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operation Accounts Payable And Accrued Expenses DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedExpenses	3078000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operation Accounts Payable And Accrued Expenses DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedExpenses	3125000	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operation Deferred Charges Net Of Amortization DisposalGroupIncludingDiscontinuedOperationDeferredChargesNetOfAmortization	6246000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operation Deferred Charges Net Of Amortization DisposalGroupIncludingDiscontinuedOperationDeferredChargesNetOfAmortization	612000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operation Net Real Estate DisposalGroupIncludingDiscontinuedOperationNetRealEstate	19400000	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operation Net Real Estate DisposalGroupIncludingDiscontinuedOperationNetRealEstate	352729000	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operation Prepaid Expenses And Other Assets Net DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherAssetsNet	1582000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operation Prepaid Expenses And Other Assets Net DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherAssetsNet	1132000	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operation Rents Receivable Net DisposalGroupIncludingDiscontinuedOperationRentsReceivableNet	3326000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operation Rents Receivable Net DisposalGroupIncludingDiscontinuedOperationRentsReceivableNet	917000	USD
CY2011	akr	Income Before Depreciation And Amortization IncomeBeforeDepreciationAndAmortization	57724000	USD
CY2012	akr	Income Tax Reconciliation Permanent Differences Net IncomeTaxReconciliationPermanentDifferencesNet	809000	USD
CY2011Q4	akr	Disposal Group Including Discontinued Operations Mortgages Payable DisposalGroupIncludingDiscontinuedOperationsMortgagesPayable	140171000	USD
CY2012Q4	akr	Disposal Group Including Discontinued Operations Mortgages Payable DisposalGroupIncludingDiscontinuedOperationsMortgagesPayable	9208000	USD
CY2012Q4	akr	Distributions In Excess Of Income From And Investments In Unconsolidated Affiliates DistributionsInExcessOfIncomeFromAndInvestmentsInUnconsolidatedAffiliates	22707000	USD
CY2011Q4	akr	Distributions In Excess Of Income From And Investments In Unconsolidated Affiliates DistributionsInExcessOfIncomeFromAndInvestmentsInUnconsolidatedAffiliates	21710000	USD
CY2012	akr	Employee Stock Ownership Plan Allowable Share Purchase Amount Per Annum Maximum EmployeeStockOwnershipPlanAllowableSharePurchaseAmountPerAnnumMaximum	25000	USD
CY2012	akr	Employee Stock Ownership Plan Purchase Discount Rate EmployeeStockOwnershipPlanPurchaseDiscountRate	0.15
CY2010	akr	Equity Method Investments Income Loss Realized Gain Loss And Other Than Temporary Investment EquityMethodInvestmentsIncomeLossRealizedGainLossAndOtherThanTemporaryInvestment	10971000	USD
CY2011	akr	Equity Method Investments Income Loss Realized Gain Loss And Other Than Temporary Investment EquityMethodInvestmentsIncomeLossRealizedGainLossAndOtherThanTemporaryInvestment	1555000	USD
CY2012	akr	Equity Method Investments Income Loss Realized Gain Loss And Other Than Temporary Investment EquityMethodInvestmentsIncomeLossRealizedGainLossAndOtherThanTemporaryInvestment	1579000	USD
CY2010	akr	Gain Loss On Involuntary Asset Conversion GainLossOnInvoluntaryAssetConversion	0	USD
CY2012	akr	Gain Loss On Involuntary Asset Conversion GainLossOnInvoluntaryAssetConversion	2368000	USD
CY2011	akr	Gain Loss On Involuntary Asset Conversion GainLossOnInvoluntaryAssetConversion	0	USD
CY2011	akr	Gains Losses On Extinguishment Of Debt Continuing Operations And Discontinued Operations GainsLossesOnExtinguishmentOfDebtContinuingOperationsAndDiscontinuedOperations	1268000	USD
CY2012	akr	Gains Losses On Extinguishment Of Debt Continuing Operations And Discontinued Operations GainsLossesOnExtinguishmentOfDebtContinuingOperationsAndDiscontinuedOperations	-2739000	USD
CY2010	akr	Gains Losses On Extinguishment Of Debt Continuing Operations And Discontinued Operations GainsLossesOnExtinguishmentOfDebtContinuingOperationsAndDiscontinuedOperations	0	USD
CY2012Q4	akr	Gross Leasable Area GrossLeasableArea	398874	sqft
CY2012	akr	Income Before Depreciation And Amortization IncomeBeforeDepreciationAndAmortization	68193000	USD
CY2010	akr	Income Before Depreciation And Amortization IncomeBeforeDepreciationAndAmortization	62667000	USD
CY2010	akr	Income Tax Reconciliation Permanent Differences Net IncomeTaxReconciliationPermanentDifferencesNet	406000	USD
CY2011	akr	Income Tax Reconciliation Permanent Differences Net IncomeTaxReconciliationPermanentDifferencesNet	-279000	USD
CY2012	akr	Income Tax Reconciliation Real Estate Investment Trust State And Local Income Taxes And Franchise Taxes IncomeTaxReconciliationRealEstateInvestmentTrustStateAndLocalIncomeTaxesAndFranchiseTaxes	178000	USD
CY2011	akr	Income Tax Reconciliation Real Estate Investment Trust State And Local Income Taxes And Franchise Taxes IncomeTaxReconciliationRealEstateInvestmentTrustStateAndLocalIncomeTaxesAndFranchiseTaxes	193000	USD
CY2010	akr	Income Tax Reconciliation Real Estate Investment Trust State And Local Income Taxes And Franchise Taxes IncomeTaxReconciliationRealEstateInvestmentTrustStateAndLocalIncomeTaxesAndFranchiseTaxes	183000	USD
CY2012	akr	Increase Decrease In Escrow Deposit IncreaseDecreaseInEscrowDeposit	-2035000	USD
CY2010	akr	Increase Decrease In Escrow Deposit IncreaseDecreaseInEscrowDeposit	20028000	USD
CY2011	akr	Increase Decrease In Escrow Deposit IncreaseDecreaseInEscrowDeposit	-7319000	USD
CY2011	akr	Incremental Common Shares Attributable To Conversion Of Preferred Partnership Units IncrementalCommonSharesAttributableToConversionOfPreferredPartnershipUnits	25000	shares
CY2012	akr	Incremental Common Shares Attributable To Conversion Of Preferred Partnership Units IncrementalCommonSharesAttributableToConversionOfPreferredPartnershipUnits	25000	shares
CY2010	akr	Incremental Common Shares Attributable To Conversion Of Preferred Partnership Units IncrementalCommonSharesAttributableToConversionOfPreferredPartnershipUnits	25000	shares
CY2011Q4	us-gaap	Minority Interest MinorityInterest	385195000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	447459000	USD
CY2012	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	160663000	USD
CY2010	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2892000	USD
CY2011	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	7697000	USD
CY2010	us-gaap	Minority Interest Increase From Stock Issuance MinorityInterestIncreaseFromStockIssuance	33556000	USD
CY2011	us-gaap	Minority Interest Increase From Stock Issuance MinorityInterestIncreaseFromStockIssuance	117945000	USD
CY2012	us-gaap	Minority Interest Increase From Stock Issuance MinorityInterestIncreaseFromStockIssuance	172228000	USD
CY2011Q4	us-gaap	Mortgage Loans On Real Estate Carrying Amount Of Mortgages MortgageLoansOnRealEstateCarryingAmountOfMortgages	59989000	USD
CY2012Q4	us-gaap	Mortgage Loans On Real Estate Carrying Amount Of Mortgages MortgageLoansOnRealEstateCarryingAmountOfMortgages	129278000	USD
CY2009Q4	us-gaap	Mortgage Loans On Real Estate Carrying Amount Of Mortgages MortgageLoansOnRealEstateCarryingAmountOfMortgages	125221000	USD
CY2010Q4	us-gaap	Mortgage Loans On Real Estate Carrying Amount Of Mortgages MortgageLoansOnRealEstateCarryingAmountOfMortgages	89202000	USD
CY2011	us-gaap	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	-56517000	USD
CY2010	us-gaap	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	-42010000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	-25388000	USD
CY2012Q4	us-gaap	Mortgage Loans On Real Estate Face Amount Of Mortgages MortgageLoansOnRealEstateFaceAmountOfMortgages	145656000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	108629000	USD
CY2010	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	0	USD
CY2011	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	34758000	USD
CY2010	us-gaap	Mortgage Loans On Real Estate Other Deductions MortgageLoansOnRealEstateOtherDeductions	-80000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate Other Deductions MortgageLoansOnRealEstateOtherDeductions	0	USD
CY2011	us-gaap	Mortgage Loans On Real Estate Other Deductions MortgageLoansOnRealEstateOtherDeductions	0	USD
CY2010	akr	Redemption Of Convertible Notes Payable RedemptionOfConvertibleNotesPayable	-240000	USD
CY2012	akr	Redemption Of Convertible Notes Payable RedemptionOfConvertibleNotesPayable	0	USD
CY2011	akr	Redemption Of Convertible Notes Payable RedemptionOfConvertibleNotesPayable	-48997000	USD
CY2012Q4	akr	Number Of Properties Collateralized NumberOfPropertiesCollateralized	35	properties
CY2011	akr	Proceeds From Insurance Settlement Other Investing Activities ProceedsFromInsuranceSettlementOtherInvestingActivities	6900000	USD
CY2010	akr	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	0	USD
CY2012	akr	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	223477000	USD
CY2011	akr	Proceeds From Issuance Of Common Stock Net Of Issuance Costs ProceedsFromIssuanceOfCommonStockNetOfIssuanceCosts	44659000	USD
CY2012	akr	Proceeds From Sale Of Real Estate Held For Investment Gross ProceedsFromSaleOfRealEstateHeldForInvestmentGross	445678000	USD
CY2012	akr	Property Operating Expenses And Real Estate Taxes PropertyOperatingExpensesAndRealEstateTaxes	44700000	USD
CY2010	akr	Property Operating Expenses And Real Estate Taxes PropertyOperatingExpensesAndRealEstateTaxes	33514000	USD
CY2011	akr	Property Operating Expenses And Real Estate Taxes PropertyOperatingExpensesAndRealEstateTaxes	34288000	USD
CY2011	akr	Provision For Insurance Deductible Attributable To Loss Of Rents ProvisionForInsuranceDeductibleAttributableToLossOfRents	100000	USD
CY2012Q4	akr	Real Estate Investment Property At Cost And Inventory Real Estate Construction In Process RealEstateInvestmentPropertyAtCostAndInventoryRealEstateConstructionInProcess	1495742000	USD
CY2010Q4	akr	Real Estate Investment Property At Cost And Inventory Real Estate Construction In Process RealEstateInvestmentPropertyAtCostAndInventoryRealEstateConstructionInProcess	950710000	USD
CY2011Q4	akr	Real Estate Investment Property At Cost And Inventory Real Estate Construction In Process RealEstateInvestmentPropertyAtCostAndInventoryRealEstateConstructionInProcess	1098761000	USD
CY2012	akr	Redevelopment And Property Improvement Costs RedevelopmentAndPropertyImprovementCosts	82127000	USD
CY2010	akr	Redevelopment And Property Improvement Costs RedevelopmentAndPropertyImprovementCosts	76295000	USD
CY2011	akr	Redevelopment And Property Improvement Costs RedevelopmentAndPropertyImprovementCosts	61311000	USD
CY2012Q4	akr	Required Distribution Rate To Maintain Reit Status RequiredDistributionRateToMaintainReitStatus	0.90
CY2011	akr	Return Of Capital From Unconsolidated Affiliates ReturnOfCapitalFromUnconsolidatedAffiliates	4504000	USD
CY2012	akr	Return Of Capital From Unconsolidated Affiliates ReturnOfCapitalFromUnconsolidatedAffiliates	22296000	USD
CY2010	akr	Return Of Capital From Unconsolidated Affiliates ReturnOfCapitalFromUnconsolidatedAffiliates	785000	USD
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53468275	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q2	dei	Entity Public Float EntityPublicFloat	1056000000	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	ACADIA REALTY TRUST
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2011	akr	Stock Issued During Period Value Net Of Issuance Costs StockIssuedDuringPeriodValueNetOfIssuanceCosts	44660000	USD
CY2010	akr	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Before Comprehensive Income StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestBeforeComprehensiveIncome	536789000	USD
CY2011	akr	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Before Comprehensive Income StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestBeforeComprehensiveIncome	718124000	USD
CY2012	akr	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Before Comprehensive Income StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestBeforeComprehensiveIncome	981571000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012Q4	akr	Share Based Compensation Convertible Feature Operating Partnership Units Shares Converted To Common Stock ShareBasedCompensationConvertibleFeatureOperatingPartnershipUnitsSharesConvertedToCommonStock	334445	shares
CY2012Q4	akr	Share Based Compensation Share Based Payment Award Options Outstanding And Vested ShareBasedCompensationShareBasedPaymentAwardOptionsOutstandingAndVested	100647	shares
CY2011Q4	akr	Share Based Compensation Units Converted From Series Preferred Op Units ShareBasedCompensationUnitsConvertedFromSeriesPreferredOpUnits	185600	shares
CY2012	akr	Stock Issued During Period Value Net Of Issuance Costs StockIssuedDuringPeriodValueNetOfIssuanceCosts	226721000	USD
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000899629

Files In Submission

Name	View Source	Status
0000899629-13-000007-index-headers.html	Edgar Link	pending
0000899629-13-000007-index.html	Edgar Link	pending
0000899629-13-000007.txt	Edgar Link	pending
0000899629-13-000007-xbrl.zip	Edgar Link	pending
akr-20121231.xml	Edgar Link	completed
akr-20121231.xsd	Edgar Link	pending
akr-20121231_cal.xml	Edgar Link	unprocessable
akr-20121231_def.xml	Edgar Link	unprocessable
akr-20121231_lab.xml	Edgar Link	unprocessable
akr-20121231_pre.xml	Edgar Link	unprocessable
akr2012123110k.htm	Edgar Link	pending
akr2012123110kchart.jpg	Edgar Link	pending
ex31112-31x2012.htm	Edgar Link	pending
ex31212-31x2012.htm	Edgar Link	pending
ex32112-31x2012.htm	Edgar Link	pending
ex32212-31x2012.htm	Edgar Link	pending
exhibit102312-31x2012.htm	Edgar Link	pending
exhibit102512-31x2012.htm	Edgar Link	pending
exhibit2112-31x2012.htm	Edgar Link	pending
exhibit23112-31x2012.htm	Edgar Link	pending
exhibit3112-31x2012.htm	Edgar Link	pending
exhibit3212-31x2012.htm	Edgar Link	pending
exhibit3312-31x2012.htm	Edgar Link	pending
exhibit3412-31x2012.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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$AKR
ACADIA REALTY TRUST Stock $akr

2013 Q1 Form 10-K Financial Statement

#000089962913000007 Filed on February 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AKR ACADIA REALTY TRUST Stock $akr

2013 Q1 Form 10-K Financial Statement

#000089962913000007 Filed on February 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AKR
ACADIA REALTY TRUST Stock $akr