$O
Realty Income Corp Stock $o

$o Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-K Financial Statement

#000110465913010950 Filed on February 14, 2013

Income Statement

Concept	2011 Q4	2010 Q4	2010
Revenue	$111.8M	$81.80M	$333.4M
YoY Change	36.67%	0.62%	3.36%
Cost Of Revenue	$2.000M	$500.0K	$5.800M
YoY Change	300.0%	-61.54%	-9.38%
Gross Profit	$109.8M	$81.30M	$327.6M
YoY Change	35.06%	1.63%	3.64%
Gross Profit Margin	98.21%	99.39%	98.25%
Selling, General & Admin	$8.000M	$5.400M	$24.90M
YoY Change	48.15%	5.88%	19.14%
% of Gross Profit	7.29%	6.64%	7.6%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$29.90M	$21.00M	$91.64M
YoY Change	42.38%	-4.11%	1.94%
% of Gross Profit	27.23%	25.83%	27.97%
Operating Expenses	$41.60M	$29.60M	$116.6M
YoY Change	40.54%	6.47%	5.23%
Operating Profit	$68.20M	$51.70M	$211.0M
YoY Change	31.91%	-0.96%	2.78%
Interest Expense	-$29.00M	-$21.80M	$93.24M
YoY Change	33.03%	1.87%	-208.29%
% of Operating Profit	-42.52%	-42.17%	44.19%
Other Income/Expense, Net			$600.0K
YoY Change			0.0%
Pretax Income	$39.20M	$29.10M	$117.6M
YoY Change	34.71%	-5.52%	-1.59%
Income Tax	$400.0K	$500.0K	$1.393M
% Of Pretax Income	1.02%	1.72%	1.18%
Net Earnings	$41.00M	$38.90M	$130.8M
YoY Change	5.4%	10.2%	-0.24%
Net Earnings / Revenue	36.67%	47.56%	39.22%
Basic Earnings Per Share			$1.01
Diluted Earnings Per Share	$309.2K	$346.7K	$1.01
COMMON SHARES
Basic Shares Outstanding			105.9M shares
Diluted Shares Outstanding			105.9M shares

Balance Sheet

Concept	2011 Q4	2010 Q4	2010
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.000M	$18.00M	$18.00M
YoY Change	-77.78%	80.0%	80.0%
Cash & Equivalents	$4.000M	$18.00M	$18.00M
Short-Term Investments
Other Short-Term Assets	$10.00M	$8.000M	$8.000M
YoY Change	25.0%	0.0%	0.0%
Inventory		$4.000M	$4.000M
Prepaid Expenses
Receivables	$15.00M	$11.00M	$11.00M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$29.00M	$41.00M	$41.00M
YoY Change	-29.27%	13.89%	13.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.160B	$3.401B	$3.401B
YoY Change	22.32%	21.08%	21.08%
Goodwill	$17.21M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$23.00M	$21.00M	$21.00M
YoY Change	9.52%	31.25%	31.25%
Total Long-Term Assets	$4.390B	$3.495B	$3.495B
YoY Change	25.62%	21.4%	21.4%
TOTAL ASSETS
Total Short-Term Assets	$29.00M	$41.00M	$41.00M
Total Long-Term Assets	$4.390B	$3.495B	$3.495B
Total Assets	$4.419B	$3.536B	$3.536B
YoY Change	24.98%	21.3%	21.3%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$59.00M	$47.00M	$47.00M
YoY Change	25.53%	23.68%	23.68%
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	$103.0M	$85.00M	$85.00M
YoY Change	21.18%	21.43%	21.43%
LONG-TERM LIABILITIES
Long-Term Debt	$2.055B	$1.600B	$1.600B
YoY Change	28.44%	18.08%	18.08%
Other Long-Term Liabilities	$6.000M	$3.000M	$3.000M
YoY Change	100.0%	50.0%	50.0%
Total Long-Term Liabilities	$2.061B	$1.603B	$1.603B
YoY Change	28.57%	18.13%	18.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$103.0M	$85.00M	$85.00M
Total Long-Term Liabilities	$2.061B	$1.603B	$1.603B
Total Liabilities	$2.165B	$1.689B	$1.689B
YoY Change	28.15%	18.36%	18.36%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.255B	$1.847B	$1.847B
YoY Change
Total Liabilities & Shareholders Equity	$4.419B	$3.536B	$3.536B
YoY Change	24.98%	21.3%	21.3%

Cashflow Statement

Concept	2011 Q4	2010 Q4	2010
OPERATING ACTIVITIES
Net Income	$41.00M	$38.90M	$130.8M
YoY Change	5.4%	10.2%	-0.24%
Depreciation, Depletion And Amortization	$29.90M	$21.00M	$91.64M
YoY Change	42.38%	-4.11%	1.94%
Cash From Operating Activities	$99.80M	$86.60M	$243.4M
YoY Change	15.24%	11.17%	7.35%
INVESTING ACTIVITIES
Capital Expenditures	-$191.2M	-$412.2M	-$716.8M
YoY Change	-53.61%	780.77%	1069.33%
Acquisitions
YoY Change
Other Investing Activities	$12.90M	$9.800M	$19.40M
YoY Change	31.63%	96.0%	24.36%
Cash From Investing Activities	-$178.4M	-$402.4M	-$697.4M
YoY Change	-55.67%	862.68%	1425.95%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$432.6M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	77.30M	177.8M	$461.6M
YoY Change	-56.52%	-485.68%	-311.92%
NET CHANGE
Cash From Operating Activities	99.80M	86.60M	$243.4M
Cash From Investing Activities	-178.4M	-402.4M	-$697.4M
Cash From Financing Activities	77.30M	177.8M	$461.6M
Net Change In Cash	-1.300M	-138.0M	$7.581M
YoY Change	-99.06%	1280.0%	-120.6%
FREE CASH FLOW
Cash From Operating Activities	$99.80M	$86.60M	$243.4M
Capital Expenditures	-$191.2M	-$412.2M	-$716.8M
Free Cash Flow	$291.0M	$498.8M	$960.2M
YoY Change	-41.66%	300.0%	233.39%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	37600000
CY2012Q4	o	Finite Lived Intangible Asset Acquired In Place Leases Net FiniteLivedIntangibleAssetAcquiredInPlaceLeasesNet	206313000	USD
CY2012Q4	o	Finite Lived Intangible Asset Off Market Lease Favorable Net FiniteLivedIntangibleAssetOffMarketLeaseFavorableNet	35812000	USD
CY2012Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	19300000	USD
CY2012Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	9489000	USD
CY2012Q4	o	Other Corporate Assets Net OtherCorporateAssetsNet	909000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1805000	USD
CY2012Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	424000	USD
CY2011Q4	o	Finite Lived Intangible Asset Acquired In Place Leases Net FiniteLivedIntangibleAssetAcquiredInPlaceLeasesNet	123255000	USD
CY2011Q4	o	Finite Lived Intangible Asset Off Market Lease Favorable Net FiniteLivedIntangibleAssetOffMarketLeaseFavorableNet	30081000	USD
CY2011Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	19401000	USD
CY2011Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	9833000	USD
CY2011Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	50000	USD
CY2011Q4	o	Other Corporate Assets Net OtherCorporateAssetsNet	849000	USD
CY2011Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	2107000	USD
CY2012Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	23745000	USD
CY2011Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	21405000	USD
CY2012Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	40061000	USD
CY2011Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	35195000	USD
CY2012Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	8595000	USD
CY2011Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	4766000	USD
CY2012Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	21770000	USD
CY2011Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	18809000	USD
CY2012Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	70426000	USD
CY2011Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-631000	USD
CY2011Q4	us-gaap	Other Notes Payable OtherNotesPayable	67781000	USD
CY2012Q4	us-gaap	Notes Payable NotesPayable	2550000000	USD
CY2011Q4	us-gaap	Notes Payable NotesPayable	1750000000	USD
CY2012Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	3013	property
CY2012Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	49	state
CY2012Q4	us-gaap	Other Notes Payable OtherNotesPayable	175868000	USD
CY2012Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	165927000	USD
CY2012	us-gaap	Mortgage Loans On Real Estate Period Increase Decrease MortgageLoansOnRealEstatePeriodIncreaseDecrease	110500000	USD
CY2011	us-gaap	Mortgage Loans On Real Estate Period Increase Decrease MortgageLoansOnRealEstatePeriodIncreaseDecrease	67400000	USD
CY2011Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	67150000	USD
CY2011Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	58770000	USD
CY2012Q4	o	Off Market Lease Unfavorable Net OffMarketLeaseUnfavorableNet	26471000	USD
CY2011Q4	o	Off Market Lease Unfavorable Net OffMarketLeaseUnfavorableNet	6423000	USD
CY2012Q4	us-gaap	Advance Rent AdvanceRent	20929000	USD
CY2011Q4	us-gaap	Advance Rent AdvanceRent	18149000	USD
CY2012Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	5130000	USD
CY2011Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	4607000	USD
CY2012Q4	us-gaap	Other Liabilities OtherLiabilities	52530000	USD
CY2011Q4	us-gaap	Other Liabilities OtherLiabilities	29179000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1850000000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	2550000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	102000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	112500000	USD
CY2010	us-gaap	Interest Paid InterestPaid	82600000	USD
CY2011	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	438000	USD
CY2011Q4	o	Other Corporate Assets OtherCorporateAssets	88839000	USD
	o	Stock Issued During Period Shares Dividend Reinvestment Plan And Stock Purchase Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlanAndStockPurchasePlan	115203	shares
CY2012	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	45	segment
CY2012Q4	o	Net Real Estate NetRealEstate	5042137000	USD
CY2011Q4	o	Net Real Estate NetRealEstate	4160008000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	498000	USD
CY2010	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	10000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	871000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	1000000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	907000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10000000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7900000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6200000	USD
CY2012	o	Number Of Real Estate Properties Acquired With Assumed Mortgages NumberOfRealEstatePropertiesAcquiredWithAssumedMortgages	8	property
CY2012	us-gaap	Loans Assumed1 LoansAssumed1	110500000	USD
CY2012	o	Premiums On Loans Assumed PremiumsOnLoansAssumed	10000000	USD
CY2011	o	Number Of Real Estate Properties Acquired With Assumed Mortgages NumberOfRealEstatePropertiesAcquiredWithAssumedMortgages	4	property
CY2011	us-gaap	Loans Assumed1 LoansAssumed1	67400000	USD
CY2011	o	Premiums On Loans Assumed PremiumsOnLoansAssumed	820000	USD
CY2011Q4	o	Note Receivable Business Combination NoteReceivableBusinessCombination	8800000	USD
CY2012	o	Increase In Buildings And Improvements And Accounts Payable IncreaseInBuildingsAndImprovementsAndAccountsPayable	3800000	USD
CY2011	o	Increase In Buildings And Improvements And Accounts Payable IncreaseInBuildingsAndImprovementsAndAccountsPayable	3700000	USD
CY2012	o	Dividend Reinvestment And Stock Purchase Plan Authorized Shares DividendReinvestmentAndStockPurchasePlanAuthorizedShares	6000000	shares
CY2012	o	Stock Issued During Period Shares Dividend Reinvestment Plan And Stock Purchase Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlanAndStockPurchasePlan	55598	shares
CY2012	o	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan And Stock Purchase Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlanAndStockPurchasePlan	2200000	USD
CY2011	o	Stock Issued During Period Shares Dividend Reinvestment Plan And Stock Purchase Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlanAndStockPurchasePlan	59605	shares
CY2011	o	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan And Stock Purchase Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlanAndStockPurchasePlan	2000000	USD
	o	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan And Stock Purchase Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlanAndStockPurchasePlan	4200000	USD
CY2012Q4	o	Other Corporate Assets OtherCorporateAssets	142156000	USD
CY2011Q4	us-gaap	Assets Assets	4419389000	USD
CY2012Q4	us-gaap	Assets Assets	5443363000	USD
CY2011	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	408640000	USD
CY2012	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	473741000	USD
CY2010	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	332780000	USD
CY2011	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	410252000	USD
CY2012	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	475510000	USD
CY2010	us-gaap	Real Estate Revenue Net RealEstateRevenueNet	333437000	USD
CY2011	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	1612000	USD
CY2012	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	1769000	USD
CY2010	us-gaap	Other Real Estate Revenue OtherRealEstateRevenue	657000	USD
CY2012Q4	o	Tenant Improvements And Leasing Costs Contingent Payments TenantImprovementsAndLeasingCostsContingentPayments	944000	USD
CY2012Q4	o	Commitments To Complete Construction In Progress CommitmentsToCompleteConstructionInProgress	16000000	USD
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	17900000	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	REALTY INCOME CORP
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000726728
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	178921596	shares
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012Q2	dei	Entity Public Float EntityPublicFloat	5500000000	USD
CY2012Q4	us-gaap	Land Land	1999820000	USD
CY2011Q4	us-gaap	Land Land	1749378000	USD
CY2012Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	3920865000	USD
CY2011Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	3222603000	USD
CY2012Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	5920685000	USD
CY2011Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	4971981000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	897767000	USD
CY2011Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	814126000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	5022918000	USD
CY2011Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	4157855000	USD
CY2012Q4	o	Real Estate Held For Sale Net RealEstateHeldForSaleNet	19219000	USD
CY2011Q4	o	Real Estate Held For Sale Net RealEstateHeldForSaleNet	2153000	USD
CY2012Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	5248000	USD
CY2011Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	4165000	USD
CY2012Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	21659000	USD
CY2011Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	15375000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	16945000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	17206000	USD
CY2012Q4	us-gaap	Other Assets OtherAssets	357374000	USD
CY2011Q4	us-gaap	Other Assets OtherAssets	222635000	USD
CY2012Q4	us-gaap	Line Of Credit LineOfCredit	158000000	USD
CY2011Q4	us-gaap	Line Of Credit LineOfCredit	237400000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	3030569000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	2164535000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Preferred Stock Including Additional Paid In Capital PreferredStockIncludingAdditionalPaidInCapital	609363000	USD
CY2011Q4	us-gaap	Preferred Stock Including Additional Paid In Capital PreferredStockIncludingAdditionalPaidInCapital	337790000	USD
CY2012Q4	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	2572092000	USD
CY2011Q4	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	2563048000	USD
CY2012Q4	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	768661000	USD
CY2011Q4	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	645984000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	2412794000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	2254854000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5443363000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4419389000	USD
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	69900000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	25150000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	25150000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	13900000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	13900000	shares
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	370100000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	133452411	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	133452411	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	133223338	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	133223338	shares
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	149597000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	118874000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	91641000	USD
CY2012	us-gaap	Interest Expense InterestExpense	122542000	USD
CY2011	us-gaap	Interest Expense InterestExpense	108301000	USD
CY2010	us-gaap	Interest Expense InterestExpense	93237000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	37998000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	30954000	USD
CY2010	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25311000	USD
CY2012	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	7269000	USD
CY2011	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	6018000	USD
CY2010	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	5805000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1430000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1470000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1393000	USD
CY2012	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	7899000	USD
CY2012	o	Expenses Including Income Tax Expense ExpensesIncludingIncomeTaxExpense	329539000	USD
CY2011	o	Expenses Including Income Tax Expense ExpensesIncludingIncomeTaxExpense	265627000	USD
CY2010	o	Expenses Including Income Tax Expense ExpensesIncludingIncomeTaxExpense	218236000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	145971000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	144625000	USD
CY2010	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	115201000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	13181000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	12407000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	15583000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	159152000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	157032000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	130784000	USD
CY2012	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	40918000	USD
CY2011	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24253000	USD
CY2010	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24253000	USD
CY2012	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	3696000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	114538000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	132779000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	106531000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.76
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.76
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.95
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.95
CY2010	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.86
CY2010	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.86
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132817472	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	126142696	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	105869637	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132884933	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	126189399	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	105942721	shares
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.05
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.05
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2011	o	Gain Loss On Sale Of Excess Land GainLossOnSaleOfExcessLand	540000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	10001000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	7873000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	6166000	USD
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	665000	USD
CY2011	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	189000	USD
CY2012	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	2804000	USD
CY2011	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	10000	USD
CY2010	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	849000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	301000	USD
CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	7353000	USD
CY2011	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	10914000	USD
CY2010	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	11586000	USD
CY2012	o	Collection Of Notes Receivable By Reit Taxable Subsidiary CollectionOfNotesReceivableByREITTaxableSubsidiary	90000	USD
CY2011	o	Collection Of Notes Receivable By Reit Taxable Subsidiary CollectionOfNotesReceivableByREITTaxableSubsidiary	3032000	USD
CY2010	o	Collection Of Notes Receivable By Reit Taxable Subsidiary CollectionOfNotesReceivableByREITTaxableSubsidiary	138000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8844000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	9144000	USD
CY2010	us-gaap	Payments To Acquire And Develop Real Estate PaymentsToAcquireAndDevelopRealEstate	713198000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	1805000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	50000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	12517000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	326469000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	298952000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	243368000	USD
CY2012	us-gaap	Payments To Acquire And Develop Real Estate PaymentsToAcquireAndDevelopRealEstate	1015725000	USD
CY2011	us-gaap	Payments To Acquire And Develop Real Estate PaymentsToAcquireAndDevelopRealEstate	953175000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	219297000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	182500000	USD
CY2012	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	39445000	USD
CY2011	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	24253000	USD
CY2010	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	24253000	USD
CY2012	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1074000000	USD
CY2011	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	612800000	USD
CY2010	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	612200000	USD
CY2010	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	6361000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1008374000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-934863000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-697358000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	236348000	USD
CY2012	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1153400000	USD
CY2011	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	375400000	USD
CY2010	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	616800000	USD
CY2012	us-gaap	Repayments Of First Mortgage Bond RepaymentsOfFirstMortgageBond	11729000	USD
CY2011	us-gaap	Repayments Of First Mortgage Bond RepaymentsOfFirstMortgageBond	279000	USD
CY2012	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	395377000	USD
CY2012	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	127500000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	489236000	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	432591000	USD
CY2012	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	800000000	USD
CY2011	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	150000000	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	16979000	USD
CY2011	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	9864000	USD
CY2010	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4091000	USD
CY2012	o	Proceeds From Dividend Reinvestment And Stock Purchase Plan Net ProceedsFromDividendReinvestmentAndStockPurchasePlanNet	2159000	USD
CY2011	o	Proceeds From Dividend Reinvestment And Stock Purchase Plan Net ProceedsFromDividendReinvestmentAndStockPurchasePlanNet	1894000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3147000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2368000	USD
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1707000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	682988000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	622469000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	461571000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1083000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-13442000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	7581000	USD
CY2009Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	10026000	USD
CY2010Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	17607000	USD
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	67461	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	73084	shares
CY2012	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	717900000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	669300000	USD
CY2012Q4	o	Real Estate Property Acquisitions Unamortized Loan Origination Fees RealEstatePropertyAcquisitionsUnamortizedLoanOriginationFees	260000	USD
CY2012Q4	o	Number Of Owned Single Tenant Properties NumberOfOwnedSingleTenantProperties	2996	property
CY2012Q4	o	Single Tenant Properties Percentage SingleTenantPropertiesPercentage	0.994	pure
CY2012Q4	o	Number Of Owned Multi Tenant Properties NumberOfOwnedMultiTenantProperties	17	property
CY2012Q4	o	Number Of Vacant Properties Available For Lease Or Sale NumberOfVacantPropertiesAvailableForLeaseOrSale	84	property
CY2012	us-gaap	Percentage Rent PercentageRent	2100000	USD
CY2011	us-gaap	Percentage Rent PercentageRent	1400000	USD
CY2010	us-gaap	Percentage Rent PercentageRent	1400000	USD
CY2012	o	Percentage Rents Discontinued Operations PercentageRentsDiscontinuedOperations	124000	USD
CY2011	o	Percentage Rents Discontinued Operations PercentageRentsDiscontinuedOperations	60000	USD
CY2010	o	Percentage Rents Discontinued Operations PercentageRentsDiscontinuedOperations	104000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	526616000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	512274000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	497075000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	483389000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	464982000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	3399120000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	5883456000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-45398000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-32215000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation And Amortization IncomeTaxReconciliationNondeductibleExpenseDepreciationAndAmortization	-23024000	USD
CY2012	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	444000	USD
CY2011	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	418000	USD
CY2010	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	1337000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	351000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	622000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-562000	USD
CY2011	o	Income Tax Reconciliation Nondeductible Expense Adjustment For Acquisition Expenses IncomeTaxReconciliationNondeductibleExpenseAdjustmentForAcquisitionExpenses	1503000	USD
CY2010	o	Income Tax Reconciliation Nondeductible Expense Adjustment For Acquisition Expenses IncomeTaxReconciliationNondeductibleExpenseAdjustmentForAcquisitionExpenses	368000	USD
CY2012	o	Income Tax Reconciliation Adjustment For Increase Decrease In Prepaid Expenses IncomeTaxReconciliationAdjustmentForIncreaseDecreaseInPrepaidExpenses	2773000	USD
CY2011	o	Income Tax Reconciliation Adjustment For Increase Decrease In Prepaid Expenses IncomeTaxReconciliationAdjustmentForIncreaseDecreaseInPrepaidExpenses	3584000	USD
CY2010	o	Income Tax Reconciliation Adjustment For Increase Decrease In Prepaid Expenses IncomeTaxReconciliationAdjustmentForIncreaseDecreaseInPrepaidExpenses	4223000	USD
CY2012	o	Taxable Net Income Before Dividend Adjustments TaxableNetIncomeBeforeDividendAdjustments	209931000	USD
CY2011	o	Taxable Net Income Before Dividend Adjustments TaxableNetIncomeBeforeDividendAdjustments	189127000	USD
CY2010	o	Taxable Net Income Before Dividend Adjustments TaxableNetIncomeBeforeDividendAdjustments	151507000	USD
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	46703	shares
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-3899000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-1562000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-1613000	USD
CY2012	o	Income Tax Reconciliation Nondeductible Expense Adjustment For Acquisition Expenses IncomeTaxReconciliationNondeductibleExpenseAdjustmentForAcquisitionExpenses	2211000	USD
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	13020	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	17570	shares
CY2010	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	13071000	USD
CY2011	o	Discontinued Operations Other Revenue DiscontinuedOperationsOtherRevenue	93000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0.10
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0.10
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0.15
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	448000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	507000	USD
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	87600	shares
CY2011	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	5193000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	9873000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	8676000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	11881000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	7938000	USD
CY2012	o	Discontinued Operations Other Revenue DiscontinuedOperationsOtherRevenue	243000	USD
CY2010	o	Discontinued Operations Other Revenue DiscontinuedOperationsOtherRevenue	32000	USD
CY2011	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	3305000	USD
CY2012	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	1710000	USD
CY2010	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	4508000	USD
CY2011	o	Discontinued Operations Property Expenses DiscontinuedOperationsPropertyExpenses	1902000	USD
CY2012	o	Discontinued Operations Property Expenses DiscontinuedOperationsPropertyExpenses	1649000	USD
CY2010	o	Discontinued Operations Property Expenses DiscontinuedOperationsPropertyExpenses	2463000	USD
CY2011	o	Discontinued Operations Impairment Of Long Lived Assets To Be Disposed Of DiscontinuedOperationsImpairmentOfLongLivedAssetsToBeDisposedOf	395000	USD
CY2012	o	Discontinued Operations Impairment Of Long Lived Assets To Be Disposed Of DiscontinuedOperationsImpairmentOfLongLivedAssetsToBeDisposedOf	2335000	USD
CY2010	o	Discontinued Operations Impairment Of Long Lived Assets To Be Disposed Of DiscontinuedOperationsImpairmentOfLongLivedAssetsToBeDisposedOf	171000	USD
CY2011	o	Income From Discontinued Operations Real Estate Acquired For Resale By Reit Taxable Subsidiary IncomeFromDiscontinuedOperationsRealEstateAcquiredForResaleByREITTaxableSubsidiary	842000	USD
CY2012	o	Income From Discontinued Operations Real Estate Acquired For Resale By Reit Taxable Subsidiary IncomeFromDiscontinuedOperationsRealEstateAcquiredForResaleByREITTaxableSubsidiary	821000	USD
CY2010	o	Income From Discontinued Operations Real Estate Acquired For Resale By Reit Taxable Subsidiary IncomeFromDiscontinuedOperationsRealEstateAcquiredForResaleByREITTaxableSubsidiary	946000	USD
CY2012	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1200000	USD
CY2011	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	502000	USD
CY2010	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	96000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease Next Twelve Months FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseNextTwelveMonths	-1314000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease Year Two FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseYearTwo	-1399000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease Year Three FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseYearThree	-1345000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease Year Four FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseYearFour	-1341000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease Year Five FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseYearFive	-1332000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease After Year Five FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecreaseAfterYearFive	-2610000	USD
CY2012Q4	o	Finite Lived Intangible Assets Rental Income Increase Decrease FiniteLivedIntangibleAssetsRentalIncomeIncreaseDecrease	-9341000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseNextTwelveMonths	22110000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease Year Two FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseYearTwo	21899000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease Year Three FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseYearThree	21105000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease Year Four FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseYearFour	21026000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease Year Five FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseYearFive	20475000	USD
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecreaseAfterYearFive	99698000	USD
CY2012	o	Properties Impaired PropertiesImpaired	7	property
CY2011	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	405000	USD
CY2010	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	213000	USD
CY2010	o	Provision For Impairment Included In Income From Continuing Operations ProvisionForImpairmentIncludedInIncomeFromContinuingOperations	42000	USD
CY2010	o	Properties Impaired PropertiesImpaired	4	property
CY2011	o	Properties Impaired PropertiesImpaired	4	property
CY2011	o	Number Of Held For Sale Properties Reclassified As Investment Properties NumberOfHeldForSalePropertiesReclassifiedAsInvestmentProperties	1	property
CY2010	o	Proceeds From Notes Net Of Issuance Costs ProceedsFromNotesNetOfIssuanceCosts	246131000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	1488009000	USD
CY2010	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	432591000	USD
CY2010	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4459000	USD
CY2010	us-gaap	Dividends Cash DividendsCash	208878000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	1846965000	USD
CY2011	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	489236000	USD
CY2011	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1930000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5595000	USD
CY2011	us-gaap	Dividends Cash DividendsCash	245904000	USD
CY2012	us-gaap	Dividends Cash DividendsCash	278133000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	49193000	USD
CY2012	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	395377000	USD
CY2012	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	2051000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6993000	USD
CY2012	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	13773000	USD
CY2010	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	22471000	USD
CY2011	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	25200000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	70581000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	100000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	150000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	275000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	175000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4430000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4300000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4265000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4239000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4154000	USD
CY2012Q4	o	Real Estate Property Acquisitions Notes Receivable RealEstatePropertyAcquisitionsNotesReceivable	35100000	USD
CY2012Q4	o	Notes Receivable Interest Rate NotesReceivableInterestRate	0.076	pure
CY2011Q4	o	Notes Receivable Interest Rate NotesReceivableInterestRate	0.081	pure
CY2011Q4	o	Receivables From Sale Of Investment Property As Result Of Eminent Domain Action ReceivablesFromSaleOfInvestmentPropertyAsResultOfEminentDomainAction	799000	USD
CY2010Q4	o	Receivables From Sale Of Investment Property As Result Of Eminent Domain Action ReceivablesFromSaleOfInvestmentPropertyAsResultOfEminentDomainAction	799000	USD
CY2011	o	Provision For Impairment Included In Income From Continuing Operations ProvisionForImpairmentIncludedInIncomeFromContinuingOperations	10000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	12559000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	7772000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	10063000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<p style="MARGIN: 0in 0in 0pt"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">Use of Estimates</font></b><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">. The consolidated financial statements were prepared in conformity with U.S. generally accepted accounting principles, or GAAP, which requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period.  Actual results could differ from those estimates.</font></p>
CY2012	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="MARGIN: 0in 0in 0pt"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">Reclassifications</font></b><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">. We report, in discontinued operations, the results of operations of properties that either have been disposed of or are classified as held for sale.  As a result of these discontinued operations, certain of the 2011 and 2010 balances have been reclassified to conform to the 2012 presentation.</font></p>
CY2011	o	Income Tax Reconciliation Nondeductible Expense Compensation Deduction IncomeTaxReconciliationNondeductibleExpenseCompensationDeduction	-4896000	USD
CY2010	o	Income Tax Reconciliation Nondeductible Expense Compensation Deduction IncomeTaxReconciliationNondeductibleExpenseCompensationDeduction	-2915000	USD
CY2012	o	Number Of Investment Properties Classified As Held For Sale And Properties Previously Sold Reported As Discontinued Operations NumberOfInvestmentPropertiesClassifiedAsHeldForSaleAndPropertiesPreviouslySoldReportedAsDiscontinuedOperations	14	property
CY2012Q4	o	Finite Lived Intangible Assets Amortization Expense Increase Decrease FiniteLivedIntangibleAssetsAmortizationExpenseIncreaseDecrease	206313000	USD
CY2011Q3	o	Common Stock Par Or Stated Value Per Share Before Amendment CommonStockParOrStatedValuePerShareBeforeAmendment	1.00
CY2011Q3	o	Preferred Stock Par Or Stated Value Per Share Before Amendment PreferredStockParOrStatedValuePerShareBeforeAmendment	1.00
CY2012	o	Income Tax Reconciliation Nondeductible Expense Compensation Deduction IncomeTaxReconciliationNondeductibleExpenseCompensationDeduction	-7599000	USD
CY2012	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	5100000	USD
CY2010	o	Provision For Impairment Included In Income From Discontinued Operations ProvisionForImpairmentIncludedInIncomeFromDiscontinuedOperations	171000	USD
CY2012	us-gaap	Interest Expense Debt InterestExpenseDebt	110400000	USD
CY2011	us-gaap	Interest Expense Debt InterestExpenseDebt	101500000	USD
CY2010	us-gaap	Interest Expense Debt InterestExpenseDebt	89700000	USD
CY2012Q4	o	Notes Receivable Issued In Connection With Acquisitions NotesReceivableIssuedInConnectionWithAcquisitions	8780000	USD
CY2011Q4	o	Notes Receivable Issued In Connection With Acquisitions NotesReceivableIssuedInConnectionWithAcquisitions	8780000	USD
CY2012	o	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.60	pure
CY2012	o	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50	pure
CY2012	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.03	pure
CY2012Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-9941000	USD
CY2012	us-gaap	Real Estate Improvements RealEstateImprovements	-6554000	USD
CY2011	us-gaap	Real Estate Improvements RealEstateImprovements	-4172000	USD
CY2010	us-gaap	Real Estate Improvements RealEstateImprovements	-3578000	USD
CY2012	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	30553	USD
CY2011	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	152277	USD
CY2010	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	81593	USD
CY2010Q4	o	Sale Of Investment Property SaleOfInvestmentProperty	600000	USD
CY2012	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	34876000	USD
CY2011	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	1593000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1286000	USD
CY2012	o	Provision For Impairment Included In Income From Discontinued Operations ProvisionForImpairmentIncludedInIncomeFromDiscontinuedOperations	2300000	USD
CY2012Q4	us-gaap	Notes Receivable Net NotesReceivableNet	35126000	USD
CY2011Q4	us-gaap	Notes Receivable Net NotesReceivableNet	2178000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	188200000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	156400000	USD
CY2012	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	1160000000	USD
CY2012	o	Real Estate Properties Acquired Purchase Price Allocation Estimate RealEstatePropertiesAcquiredPurchasePriceAllocationEstimate	106400000	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	7910878	USD
CY2012	o	Provision For Impairment Included In Income From Continuing Operations ProvisionForImpairmentIncludedInIncomeFromContinuingOperations	2800000	USD
CY2012	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	127500000	USD
CY2012	o	Number Of Real Estate Properties Collateralized NumberOfRealEstatePropertiesCollateralized	11	property
CY2011Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements	4976096132	USD
CY2010Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements	4119901302	USD
CY2009Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements	3449776818	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfLandAndBuildingsAndImprovements	5978155929	USD
CY2012	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	1130059158	USD
CY2011	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	1016170863	USD
CY2010	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	713534296	USD
CY2012	o	Real Estate Amounts Allocated To Intangible Assets RealEstateAmountsAllocatedToIntangibleAssets	86100036	USD
CY2011	o	Real Estate Amounts Allocated To Intangible Assets RealEstateAmountsAllocatedToIntangibleAssets	133491909	USD
CY2010	o	Real Estate Amounts Allocated To Intangible Assets RealEstateAmountsAllocatedToIntangibleAssets	15384932	USD
CY2012	o	Real Estate Equipment RealEstateEquipment	0	USD
CY2011	o	Real Estate Equipment RealEstateEquipment	14238	USD
CY2010	o	Real Estate Equipment RealEstateEquipment	33268	USD
CY2012	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	13081252	USD
CY2011	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	3286251	USD
CY2010	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	1500953	USD
CY2012	o	Real Estate Total Additions RealEstateTotalAdditions	1061974932	USD
CY2011	o	Real Estate Total Additions RealEstateTotalAdditions	888415393	USD
CY2010	o	Real Estate Total Additions RealEstateTotalAdditions	701727621	USD
CY2012	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	54223955	USD
CY2011	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	31383561	USD
CY2010	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	30254678	USD
CY2012	o	Real Estate Cost Of Equipment Sold RealEstateCostOfEquipmentSold	0	USD
CY2011	o	Real Estate Cost Of Equipment Sold RealEstateCostOfEquipmentSold	0	USD
CY2010	o	Real Estate Cost Of Equipment Sold RealEstateCostOfEquipmentSold	0	USD
CY2012	o	Real Estate Total Deductions RealEstateTotalDeductions	59915135	USD
CY2011	o	Real Estate Total Deductions RealEstateTotalDeductions	32220563	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	2019157380	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	3945409742	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	5677929	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	2016080545	USD
CY2012	o	Real Estate Releasing Costs RealEstateReleasingCosts	582705	USD
CY2011	o	Real Estate Releasing Costs RealEstateReleasingCosts	584192	USD
CY2010	o	Real Estate Releasing Costs RealEstateReleasingCosts	410234	USD
CY2012	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	5108475	USD
CY2011	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	252810	USD
CY2010	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	938225	USD
CY2010	o	Real Estate Total Deductions RealEstateTotalDeductions	31603137	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	135470091	USD
CY2011	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	113671104	USD
CY2010	us-gaap	Real Estate Accumulated Depreciation Depreciation Expense RealEstateAccumulatedDepreciationDepreciationExpense	94489028	USD
CY2012	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	15538907	USD
CY2011	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	12606595	USD
CY2010	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	12360406	USD
CY2011Q4	us-gaap	Real Estate And Accumulated Depreciation Accumulated Depreciation RealEstateAndAccumulatedDepreciationAccumulatedDepreciation	816087890	USD
CY2010Q4	us-gaap	Real Estate And Accumulated Depreciation Accumulated Depreciation RealEstateAndAccumulatedDepreciationAccumulatedDepreciation	715023381	USD
CY2009Q4	us-gaap	Real Estate And Accumulated Depreciation Accumulated Depreciation RealEstateAndAccumulatedDepreciationAccumulatedDepreciation	632894759	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Accumulated Depreciation RealEstateAndAccumulatedDepreciationAccumulatedDepreciation	936019074	USD
CY2012	o	Number Of Real Estate Properties Impaired NumberOfRealEstatePropertiesImpaired	10	property
CY2011	o	Number Of Real Estate Properties Impaired NumberOfRealEstatePropertiesImpaired	5	property
CY2010	o	Number Of Real Estate Properties Impaired NumberOfRealEstatePropertiesImpaired	4	property
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	165926830	USD
CY2012Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	3962075383	USD

Files In Submission

Name	View Source	Status
0001104659-13-010950-index-headers.html	Edgar Link	pending
0001104659-13-010950-index.html	Edgar Link	pending
0001104659-13-010950.txt	Edgar Link	pending
0001104659-13-010950-xbrl.zip	Edgar Link	pending
a12-27698_110k.htm	Edgar Link	pending
a12-27698_1ex12d1.htm	Edgar Link	pending
a12-27698_1ex21d1.htm	Edgar Link	pending
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a12-27698_1ex31d1.htm	Edgar Link	pending
a12-27698_1ex31d2.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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