$SLG
SL Green Realty Corp Stock $slg

$slg Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-Q Financial Statement

#000104097114000015 Filed on November 10, 2014

Income Statement

Concept	2014 Q4	2014 Q3	2013 Q3
Revenue	$386.6M	$390.3M	$338.8M
YoY Change	10.32%	15.2%	-5.11%
Cost Of Revenue	$137.5M	$135.7M	$132.2M
YoY Change	4.25%	2.65%	-8.51%
Gross Profit	$249.2M	$254.5M	$206.5M
YoY Change	14.0%	23.24%	-2.82%
Gross Profit Margin	64.45%	65.21%	60.95%
Selling, General & Admin	$24.90M	$22.65M	$20.87M
YoY Change	-4.23%	8.53%	1.55%
% of Gross Profit	9.99%	8.9%	10.11%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$104.1M	$101.9M	$91.80M
YoY Change	12.18%	11.0%	4.32%
% of Gross Profit	41.77%	40.04%	44.46%
Operating Expenses	$122.1M	$22.65M	$20.87M
YoY Change	9.21%	8.53%	1.55%
Operating Profit	$127.1M	$231.9M	$185.6M
YoY Change	19.01%	24.9%	-3.29%
Interest Expense	-$77.30M	$83.16M	$78.77M
YoY Change	13.18%	5.57%	-8.45%
% of Operating Profit	-60.82%	35.87%	42.43%
Other Income/Expense, Net		$0.00
YoY Change
Pretax Income	$40.38M	$46.00M	$19.90M
YoY Change	46.95%	131.2%	7.01%
Income Tax		$1.600M	$2.100M
% Of Pretax Income		3.48%	10.56%
Net Earnings	$60.53M	$68.43M	$40.76M
YoY Change	48.14%	67.86%	58.88%
Net Earnings / Revenue	15.65%	17.53%	12.03%
Basic Earnings Per Share	$0.59	$0.68	$0.40
Diluted Earnings Per Share	$0.59	$0.68	$0.40
COMMON SHARES
Basic Shares Outstanding	96.52M shares	95.73M shares	91.99M shares
Diluted Shares Outstanding		99.71M shares	95.02M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2013 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$320.8M	$292.8M	$242.0M
YoY Change	34.39%	21.02%	31.56%
Cash & Equivalents	$281.4M	$253.5M	$209.1M
Short-Term Investments	$39.43M	$39.29M	$32.86M
Other Short-Term Assets
YoY Change
Inventory	$462.0M	$753.0M	$0.00
Prepaid Expenses
Receivables	$444.0M	$442.0M	$434.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.187B	$1.449B	$643.0M
YoY Change	79.31%	125.35%	3.71%
LONG-TERM ASSETS
Property, Plant & Equipment	$12.16B	$12.12B	$10.14B
YoY Change	13.81%	19.53%	-2.31%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$1.172B	$996.8M	$1.110B
YoY Change	5.28%	-10.18%	8.72%
Other Assets	$477.0M	$470.0M	$605.0M
YoY Change	16.63%	-22.31%	52.78%
Total Long-Term Assets	$15.91B	$15.79B	$13.93B
YoY Change	11.28%	13.32%	1.95%
TOTAL ASSETS
Total Short-Term Assets	$1.187B	$1.449B	$643.0M
Total Long-Term Assets	$15.91B	$15.79B	$13.93B
Total Assets	$17.10B	$17.24B	$14.57B
YoY Change	14.29%	18.27%	2.03%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$173.0M	$183.0M	$168.0M
YoY Change	18.49%	8.93%	14.29%
Accrued Expenses	$138.0M	$128.0M	$69.00M
YoY Change	20.0%	85.51%	-31.68%
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	$443.0M	$432.0M	$348.0M
YoY Change	11.59%	24.14%	1.16%
LONG-TERM LIABILITIES
Long-Term Debt	$8.200B	$8.310B	$6.867B
YoY Change	17.68%	21.01%	8.26%
Other Long-Term Liabilities	$454.0M	$677.0M	$293.0M
YoY Change	72.62%	131.06%	-30.9%
Total Long-Term Liabilities	$8.654B	$8.987B	$7.160B
YoY Change	19.68%	25.52%	5.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$443.0M	$432.0M	$348.0M
Total Long-Term Liabilities	$8.654B	$8.987B	$7.160B
Total Liabilities	$9.097B	$9.419B	$7.508B
YoY Change	19.27%	25.45%	5.6%
SHAREHOLDERS EQUITY
Retained Earnings	$1.608B	$1.814B	$1.637B
YoY Change	8.93%	10.84%	-5.3%
Common Stock	$974.0K	$996.0K	$959.0K
YoY Change	2.53%	3.86%	2.02%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$0.00	$320.2M	$317.0M
YoY Change		1.02%	-0.91%
Treasury Stock Shares	3.603M shares	3.602M shares	3.566M shares
Shareholders Equity	$6.937B	$6.845B	$6.281B
YoY Change
Total Liabilities & Shareholders Equity	$17.10B	$17.24B	$14.57B
YoY Change	14.29%	18.27%	2.03%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2013 Q3
OPERATING ACTIVITIES
Net Income	$60.53M	$68.43M	$40.76M
YoY Change	48.14%	67.86%	58.88%
Depreciation, Depletion And Amortization	$104.1M	$101.9M	$91.80M
YoY Change	12.18%	11.0%	4.32%
Cash From Operating Activities	$113.2M	$100.6M	$100.8M
YoY Change	49.54%	-0.2%	39.42%
INVESTING ACTIVITIES
Capital Expenditures	-$415.0M	-$651.5M	-$52.90M
YoY Change	-33.51%	1131.57%	-71.8%
Acquisitions
YoY Change
Other Investing Activities	$443.5M	$144.3M	-$146.8M
YoY Change	86.19%	-198.3%	88.93%
Cash From Investing Activities	$28.50M	-$507.3M	-$199.8M
YoY Change	-107.39%	153.9%	-24.72%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-113.7M	352.0M	109.1M
YoY Change	-136.94%	222.64%	10.54%
NET CHANGE
Cash From Operating Activities	113.2M	100.6M	100.8M
Cash From Investing Activities	28.50M	-507.3M	-199.8M
Cash From Financing Activities	-113.7M	352.0M	109.1M
Net Change In Cash	28.00M	-54.70M	10.10M
YoY Change	-1266.67%	-641.58%	-110.7%
FREE CASH FLOW
Cash From Operating Activities	$113.2M	$100.6M	$100.8M
Capital Expenditures	-$415.0M	-$651.5M	-$52.90M
Free Cash Flow	$528.2M	$752.1M	$153.7M
YoY Change	-24.53%	389.33%	-40.86%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014Q3	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	64184000	USD
CY2013Q4	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	60393000	USD
CY2014Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	183001000	USD
CY2013Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	145889000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2896000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-15211000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5015904000	USD
CY2014Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5130858000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23822000	USD
CY2014Q3	us-gaap	Affiliate Costs AffiliateCosts	5104000	USD
	us-gaap	Affiliate Costs AffiliateCosts	12858000	USD
	us-gaap	Affiliate Costs AffiliateCosts	13183000	USD
CY2013Q3	us-gaap	Affiliate Costs AffiliateCosts	4698000	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	20719000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	17325000	USD
CY2013Q4	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	1000000	USD
CY2014Q3	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	0	USD
CY2012Q4	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	7000000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	12404000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	15737000	USD
CY2013Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4121000	USD
CY2014Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6679000	USD
CY2013Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	703702	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	769790	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	922239	shares
CY2014Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	231970	shares
CY2014Q3	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	33892903	sqft
CY2014Q3	us-gaap	Assets Assets	17237109000	USD
CY2013Q4	us-gaap	Assets Assets	14959001000	USD
CY2013Q4	us-gaap	Assets Held For Sale At Carrying Value AssetsHeldForSaleAtCarryingValue	0	USD
CY2014Q3	us-gaap	Assets Held For Sale At Carrying Value AssetsHeldForSaleAtCarryingValue	753457000	USD
CY2014Q3	us-gaap	Assets Needed For Immediate Settlement Aggregate Fair Value AssetsNeededForImmediateSettlementAggregateFairValue	14700000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	32049000	USD
CY2014Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	39293000	USD
	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	71446000	USD
	us-gaap	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Or Loss BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss	-2305000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9855000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	8456000	USD
CY2013Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	47671000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	291000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	291000	USD
CY2014Q3	us-gaap	Capital Lease Obligations CapitalLeaseObligations	20728000	USD
CY2013Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	50310000	USD
CY2014Q3	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	27445000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	57817000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	36000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	170000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	145000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	56884000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	37089000	USD
CY2014Q3	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	20728000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	206692000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	253520000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	209098000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	189984000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	46828000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	19114000	USD
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	6700000	USD
CY2014Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.50
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.99
CY2014Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.50
CY2013Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	160000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	160000000	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	99547000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	98563000	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	98563000	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	99547000	shares
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	996000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	986000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	71726000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	104852000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	469848000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	40136000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	44684000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	77007000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	117749000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	493200000	USD
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Concentrations of Credit Risk</font></div><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, debt and preferred equity investments and accounts receivable. We place our cash investments in excess of insured amounts with high quality financial institutions. The collateral securing our debt and preferred equity investments is primarily located in New York City. See Note 5, "Debt and Preferred Equity Investments." We perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit. Though these security deposits and letters of credit are insufficient to meet the total value of a tenant's lease obligation, they are a measure of good faith and a source of funds to offset the economic costs associated with lost rent and the costs associated with re-tenanting a space. Although the properties in our real estate portfolio are primarily located in Manhattan, we also have properties located in Brooklyn, Long Island, Westchester County, Connecticut and Northern New Jersey.</font></div></div>
	us-gaap	Costs And Expenses CostsAndExpenses	205921000	USD
CY2013Q3	us-gaap	Costs And Expenses CostsAndExpenses	72784000	USD
CY2014Q3	us-gaap	Costs And Expenses CostsAndExpenses	72111000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	211118000	USD
	us-gaap	Deferred Compensation Arrangement With Individual Fair Value Of Shares Issued DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued	434000	USD
	us-gaap	Deferred Compensation Arrangement With Individual Fair Value Of Shares Issued DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued	1503000	USD
CY2014Q3	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	310860000	USD
CY2013Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	267058000	USD
CY2014Q3	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	353316000	USD
CY2013Q4	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	326379000	USD
CY2014Q3	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	199081000	USD
CY2013Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	157088000	USD
CY2014Q3	us-gaap	Deferred Rent Credit DeferredRentCredit	1129000	USD
CY2013Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	22185000	USD
CY2014Q3	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	364284000	USD
CY2013Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	386508000	USD
CY2013Q4	us-gaap	Deferred Revenue DeferredRevenue	263261000	USD
CY2014Q3	us-gaap	Deferred Revenue DeferredRevenue	215527000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	238666000	USD
CY2013Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	84162000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	274337000	USD
CY2014Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	94443000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	264833000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	295877000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1329000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	14114000	USD
CY2014Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-14035000	USD
CY2014Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	14700000	USD
	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	24161000	USD
	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	23988000	USD
CY2014Q3	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	8088000	USD
CY2013Q3	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	7930000	USD
CY2014Q3	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	29507000	USD
	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	144242000	USD
CY2013Q3	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	13787000	USD
	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	14900000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	15449000	USD
CY2014Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	4035000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	19851000	USD
CY2013Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	7435000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	678000	USD
	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	13133000	USD
	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	5434000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	3311000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	7101000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	5149000	USD
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	16624000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	773000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	523000	USD
	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	21000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	9000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	85720000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	49110000	USD
CY2014Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	9310000	USD
CY2013Q3	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	27363000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	143060000	USD
CY2014Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	53571000	USD
CY2013Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	52255000	USD
CY2013Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3738000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	11214000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	18144000	USD
CY2014Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3738000	USD
CY2014Q3	us-gaap	Due From Joint Ventures DueFromJointVentures	1260000	USD
CY2013Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	2376000	USD
CY2014Q3	us-gaap	Due From Other Related Parties DueFromOtherRelatedParties	12002000	USD
CY2013Q4	us-gaap	Due From Other Related Parties DueFromOtherRelatedParties	6154000	USD
CY2013Q4	us-gaap	Due From Related Parties DueFromRelatedParties	8530000	USD
CY2014Q3	us-gaap	Due From Related Parties DueFromRelatedParties	13262000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.68
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.68
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.66
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2900000	USD
CY2014Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1700000	USD
CY2013Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	900000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5200000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	21723000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	23065000	USD
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-3937000	USD
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	122580000	USD
CY2014Q3	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	16496000	USD
CY2013Q3	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-354000	USD
CY2013Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1113218000	USD
CY2014Q3	us-gaap	Equity Method Investments EquityMethodInvestments	996842000	USD
CY2014Q3	us-gaap	Excess Stock Shares Authorized ExcessStockSharesAuthorized	75000000	shares
CY2014Q3	us-gaap	Excess Stock Shares Issued ExcessStockSharesIssued	0	shares
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	0	USD
CY2013	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	0	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	343339000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	371452000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	746704000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	674672000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	303220000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	403365000	USD
	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	3000	USD
	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	2000	USD
CY2014Q3	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	1000	USD
CY2013Q3	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	7000	USD
CY2014Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-24475000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-18523000	USD
CY2013Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-25500000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	108710000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	36518000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	16772000	USD
	us-gaap	Increase Decrease In Deferred Leasing Fees IncreaseDecreaseInDeferredLeasingFees	17544000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	20312000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	45997000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	92749000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21529000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	135540000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	40052000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	24114000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	320847000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	72170000	USD
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.37
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.82
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.18
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.17
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.82
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.17
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.18
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.37
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.04
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.21
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.16
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.07
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.21
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.07
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.16
CY2014Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6034000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20781000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4251000	USD
CY2013Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2939000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1600000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6000000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2100000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6600000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3018000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7336000	USD
	us-gaap	Increase Decrease In Deferred Leasing Fees IncreaseDecreaseInDeferredLeasingFees	28502000	USD
	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	22731000	USD
	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	23608000	USD
	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	187000	USD
	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	5200000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	23316000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	35717000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	246682000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	67868000	USD
	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	7124000	USD
	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	-1254000	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	242000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	462000	shares
CY2014Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	387000	shares
CY2013Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	236000	shares
CY2013Q3	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	3091000	USD
	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	18689000	USD
	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	10082000	USD
CY2014Q3	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	7972000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	83158000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	78770000	USD
	us-gaap	Interest Expense InterestExpense	238285000	USD
	us-gaap	Interest Expense InterestExpense	234303000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-236424000	USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-82376000	USD
CY2013Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-78226000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-232862000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	1861000	USD
CY2013Q3	us-gaap	Interest Income Operating InterestIncomeOperating	544000	USD
CY2014Q3	us-gaap	Interest Income Operating InterestIncomeOperating	782000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	1441000	USD
	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	5039000	USD
	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	5660000	USD
CY2014Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	1867000	USD
CY2013Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	1601000	USD
CY2014Q3	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	8679637000	USD
CY2013Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	7884663000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	137767000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	143887000	USD
CY2013Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	44448000	USD
CY2014Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	43969000	USD
CY2014Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	100000000	USD
CY2013Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	100000000	USD
CY2013Q4	us-gaap	Land Land	3032526000	USD
CY2014Q3	us-gaap	Land Land	3833305000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	9419267000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	7627099000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17237109000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	14959001000	USD
CY2014Q3	us-gaap	Liabilities Of Assets Held For Sale LiabilitiesOfAssetsHeldForSale	461891000	USD
CY2013Q4	us-gaap	Liabilities Of Assets Held For Sale LiabilitiesOfAssetsHeldForSale	0	USD
CY2013Q4	us-gaap	Line Of Credit LineOfCredit	220000000	USD
CY2014Q3	us-gaap	Line Of Credit LineOfCredit	244000000	USD
	us-gaap	Loans Assumed1 LoansAssumed1	0	USD
	us-gaap	Loans Assumed1 LoansAssumed1	84642000	USD
CY2014Q3	us-gaap	Long Term Debt LongTermDebt	8775507000	USD
CY2013Q4	us-gaap	Marketable Securities MarketableSecurities	32049000	USD
CY2014Q3	us-gaap	Marketable Securities MarketableSecurities	39293000	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-65000	USD
CY2013Q3	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	0	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	0	USD
CY2014Q3	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	0	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5745000	USD
CY2014Q3	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	381274000	USD
CY2013Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	265476000	USD
CY2013Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1304839000	USD
CY2014Q3	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1432951000	USD
	us-gaap	Mortgage Loans On Real Estate Interest Rate MortgageLoansOnRealEstateInterestRate	0.1072
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	494885000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-48875000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-242541000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-825263000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	377206000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	310530000	USD
	us-gaap	Net Income Loss NetIncomeLoss	94514000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	40763000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	68426000	USD
	us-gaap	Net Income Loss NetIncomeLoss	457533000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	23005000	USD
CY2013Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4573000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12407000	USD
CY2014Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5168000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	446319000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	37025000	USD
CY2014Q3	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Redeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable	1712000	USD
	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	28058000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	882499000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8147000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	64210000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	64688000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	67324000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	66119000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	462329000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	38135000	USD
CY2013Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1110000	USD
CY2014Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2636000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	1909000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	16010000	USD
CY2013Q3	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Redeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable	2901000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Redeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable	5045000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Redeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable	8806000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	30845000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	30845000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	30612000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	30491000	USD
CY2014Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	751559000	USD
CY2013Q3	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	242439000	USD
CY2014Q3	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	291293000	USD
	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	826877000	USD
	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	741022000	USD
CY2014Q3	us-gaap	Other Assets OtherAssets	729538000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	750123000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10828000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	12662000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-652000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3413000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-25000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	113000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	490000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	347000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12315000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1165000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3919000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	10522000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	11380000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	513000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	306000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-506000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1282000	USD
	us-gaap	Other Income OtherIncome	48498000	USD
CY2013Q3	us-gaap	Other Income OtherIncome	9869000	USD
	us-gaap	Other Income OtherIncome	20855000	USD
CY2014Q3	us-gaap	Other Income OtherIncome	11186000	USD
CY2013Q4	us-gaap	Other Minority Interests OtherMinorityInterests	491471000	USD
CY2014Q3	us-gaap	Other Minority Interests OtherMinorityInterests	518829000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	13121000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	31732000	USD
	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	17287000	USD
	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	26392000	USD
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	14874000	USD
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-15980000	USD
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	USD
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	192500000	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	23332000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	154907000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	113192000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	120130000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	217187000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	421003000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	393429000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	10025000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	11492000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	282947000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	108849000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	58185000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	711437000	USD
CY2014Q3	us-gaap	Pledged Assets Not Separately Reported Real Estate PledgedAssetsNotSeparatelyReportedRealEstate	9500000000	USD
CY2013Q4	us-gaap	Pledged Assets Not Separately Reported Real Estate PledgedAssetsNotSeparatelyReportedRealEstate	8000000000	USD
CY2014Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Reclassification</font></div><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain prior year balances have been reclassified to conform to our current year presentation primarily in order to eliminate discontinued operations from income from continuing operations.</font></div></div>
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	42698000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	41734000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	24000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	980333000	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	2001603000	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	844000000	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1136400000	USD
	us-gaap	Proceeds From Real Estate And Real Estate Joint Ventures ProceedsFromRealEstateAndRealEstateJointVentures	218701000	USD
	us-gaap	Proceeds From Real Estate And Real Estate Joint Ventures ProceedsFromRealEstateAndRealEstateJointVentures	357426000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	3669000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	287000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	349320000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	472317000	USD
	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	6089000	USD
	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	20549000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	10452000	USD
CY2014Q3	us-gaap	Profit Loss ProfitLoss	73594000	USD
	us-gaap	Profit Loss ProfitLoss	480538000	USD
	us-gaap	Profit Loss ProfitLoss	106921000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	45336000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
CY2013	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
CY2014Q3	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	1826027000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	1646240000	USD
CY2014Q3	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	13945642000	USD
CY2013Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	12333780000	USD
CY2014Q3	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	12119615000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	10687540000	USD
	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	159702000	USD
CY2014Q3	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	55548000	USD
CY2013Q3	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	51529000	USD
	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	149857000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	578970000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	805988000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	1688466000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	1027201000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	142051000	USD
CY2014Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	159303000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1813956000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1619150000	USD
	us-gaap	Revenues Revenues	1020614000	USD
CY2014Q3	us-gaap	Revenues Revenues	390274000	USD
CY2013Q3	us-gaap	Revenues Revenues	338782000	USD
	us-gaap	Revenues Revenues	1133351000	USD
CY2013Q4	us-gaap	Secured Debt SecuredDebt	4860578000	USD
CY2014Q3	us-gaap	Secured Debt SecuredDebt	5890782000	USD
CY2014Q3	us-gaap	Security Deposit Liability SecurityDepositLiability	66659000	USD
CY2013Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	61308000	USD
CY2013Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	20869000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	69778000	USD
CY2014Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	22649000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	63450000	USD
CY2013Q4	us-gaap	Senior Notes SeniorNotes	1739330000	USD
CY2014Q3	us-gaap	Senior Notes SeniorNotes	2054168000	USD
CY2014Q3	us-gaap	Shares Issued SharesIssued	95944861	shares
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	26392000	USD
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	40000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	42698000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	6844624000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	6525405000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7016876000	USD
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7363453000	USD
	us-gaap	Straight Line Rent StraightLineRent	43736000	USD
	us-gaap	Straight Line Rent StraightLineRent	44021000	USD
CY2014Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	73115000	USD
CY2013Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	49550000	USD
CY2013Q3	us-gaap	Tenant Reimbursements TenantReimbursements	42026000	USD
CY2014Q3	us-gaap	Tenant Reimbursements TenantReimbursements	43826000	USD
	us-gaap	Tenant Reimbursements TenantReimbursements	114850000	USD
	us-gaap	Tenant Reimbursements TenantReimbursements	120209000	USD
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3570000	shares
CY2014Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	3602000	shares
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	317356000	USD
CY2014Q3	us-gaap	Treasury Stock Value TreasuryStockValue	320222000	USD
	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	5483000	USD
	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	5720000	USD
CY2013Q3	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	-2766000	USD
CY2014Q3	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	2052000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;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:8px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.</font></div></div>
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	99322000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	99706000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	95016000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	94631000	shares
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	95734000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	95437000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91684000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91988000	shares
CY2013Q4	slg	Accrued Interest Payable And Other AccruedInterestPayableAndOther	114622000	USD
CY2014Q3	slg	Accrued Interest Payable And Other AccruedInterestPayableAndOther	127811000	USD
CY2014Q3	slg	Accumulated Amortization Of Deferred Costs AccumulatedAmortizationOfDeferredCosts	241537000	USD
CY2013Q4	slg	Accumulated Amortization Of Deferred Costs AccumulatedAmortizationOfDeferredCosts	216409000	USD
CY2013Q4	slg	Allowance For Deferred Rents Receivable AllowanceForDeferredRentsReceivable	30333000	USD
CY2014Q3	slg	Allowance For Deferred Rents Receivable AllowanceForDeferredRentsReceivable	27185000	USD
CY2014Q3	slg	Building Leasehold Improvements Gross BuildingLeaseholdImprovementsGross	1405255000	USD
CY2013Q4	slg	Building Leasehold Improvements Gross BuildingLeaseholdImprovementsGross	1366281000	USD
CY2014Q3	slg	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Lossand Transaction Costs Net BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainLossandTransactionCostsNet	-4000000	USD
	slg	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Lossand Transaction Costs Net BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainLossandTransactionCostsNet	67446000	USD
CY2013Q3	slg	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Lossand Transaction Costs Net BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainLossandTransactionCostsNet	0	USD
	slg	Derivative Instruments Fair Value Adjustment DerivativeInstrumentsFairValueAdjustment	494000	USD
	slg	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax Attributable To Parent DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTaxAttributableToParent	19282000	USD
CY2013Q3	slg	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax Attributable To Parent DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTaxAttributableToParent	7216000	USD
CY2014Q3	slg	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax Attributable To Parent DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTaxAttributableToParent	3889000	USD
	slg	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax Attributable To Parent DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTaxAttributableToParent	14914000	USD
CY2013Q4	slg	Discount Of Structured Finance Investments DiscountOfStructuredFinanceInvestments	18593000	USD
CY2014Q3	slg	Discount Of Structured Finance Investments DiscountOfStructuredFinanceInvestments	19801000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Amortization Of Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfFinancingCosts	48000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Amortization Of Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfFinancingCosts	210000	USD
	slg	Disposal Group Including Discontinued Operation Amortization Of Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfFinancingCosts	369000	USD
	slg	Disposal Group Including Discontinued Operation Amortization Of Financing Costs DisposalGroupIncludingDiscontinuedOperationAmortizationOfFinancingCosts	630000	USD
	slg	Depreciable Real Estate Reserves Cash Flow Effect DepreciableRealEstateReservesCashFlowEffect	-2150000	USD
	slg	Derivative Instruments Fair Value Adjustment DerivativeInstrumentsFairValueAdjustment	12713000	USD
	slg	Business Combination Step Acquisition Equity Interest In Acquiree Remeasurement Gain Lossand Transaction Costs Net BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainLossandTransactionCostsNet	-2305000	USD
	slg	Capital Leased Asset CapitalLeasedAsset	9992000	USD
	slg	Capital Leased Asset CapitalLeasedAsset	0	USD
	slg	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months Into Equity In Net Income CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsIntoEquityInNetIncome	1000000	USD
	slg	Common Stock Issued During Period Value New Issues CommonStockIssuedDuringPeriodValueNewIssues	20509000	USD
	slg	Consolidation Of Real Estate Investments ConsolidationOfRealEstateInvestments	1316591000	USD
	slg	Consolidation Of Real Estate Investments ConsolidationOfRealEstateInvestments	90934000	USD
	slg	Deferred Compensation Plan And Stock Award Net DeferredCompensationPlanAndStockAwardNet	-1363000	USD
CY2013Q4	slg	Deferred Costs Gross DeferredCostsGross	483467000	USD
CY2014Q3	slg	Deferred Costs Gross DeferredCostsGross	552397000	USD
	slg	Deferred Lease Payable DeferredLeasePayable	2849000	USD
	slg	Deferred Lease Payable DeferredLeasePayable	13086000	USD
	slg	Deferred Loan Costs And Capitalized Lease Obligation DeferredLoanCostsAndCapitalizedLeaseObligation	50378000	USD
	slg	Deferred Loan Costs And Capitalized Lease Obligation DeferredLoanCostsAndCapitalizedLeaseObligation	8921000	USD
	slg	Depreciable Real Estate Reserves Cash Flow Effect DepreciableRealEstateReservesCashFlowEffect	0	USD
	slg	Disposal Group Including Discontinued Operation Depreciable Real Estate Reserves DisposalGroupIncludingDiscontinuedOperationDepreciableRealEstateReserves	2150000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Depreciable Real Estate Reserves DisposalGroupIncludingDiscontinuedOperationDepreciableRealEstateReserves	0	USD
	slg	Disposal Group Including Discontinued Operation Depreciable Real Estate Reserves DisposalGroupIncludingDiscontinuedOperationDepreciableRealEstateReserves	0	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Depreciable Real Estate Reserves DisposalGroupIncludingDiscontinuedOperationDepreciableRealEstateReserves	0	USD
	slg	Disposal Group Including Discontinued Operation Ground Rent DisposalGroupIncludingDiscontinuedOperationGroundRent	3001000	USD
	slg	Disposal Group Including Discontinued Operation Ground Rent DisposalGroupIncludingDiscontinuedOperationGroundRent	5778000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Ground Rent DisposalGroupIncludingDiscontinuedOperationGroundRent	2196000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Ground Rent DisposalGroupIncludingDiscontinuedOperationGroundRent	0	USD
	slg	Disposal Group Including Discontinued Operation Interest Expense Net DisposalGroupIncludingDiscontinuedOperationInterestExpenseNet	10983000	USD
	slg	Disposal Group Including Discontinued Operation Interest Expense Net DisposalGroupIncludingDiscontinuedOperationInterestExpenseNet	15019000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Interest Expense Net DisposalGroupIncludingDiscontinuedOperationInterestExpenseNet	2874000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Interest Expense Net DisposalGroupIncludingDiscontinuedOperationInterestExpenseNet	4877000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Lease Revenue DisposalGroupIncludingDiscontinuedOperationLeaseRevenue	9504000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Tenant Reimbursements DisposalGroupIncludingDiscontinuedOperationTenantReimbursements	3748000	USD
	slg	Disposal Group Including Discontinued Operation Tenant Reimbursements DisposalGroupIncludingDiscontinuedOperationTenantReimbursements	4413000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Tenant Reimbursements DisposalGroupIncludingDiscontinuedOperationTenantReimbursements	-194000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Lease Revenue DisposalGroupIncludingDiscontinuedOperationLeaseRevenue	23606000	USD
	slg	Disposal Group Including Discontinued Operation Lease Revenue DisposalGroupIncludingDiscontinuedOperationLeaseRevenue	73738000	USD
	slg	Disposal Group Including Discontinued Operation Lease Revenue DisposalGroupIncludingDiscontinuedOperationLeaseRevenue	44676000	USD
	slg	Disposal Group Including Discontinued Operation Real Estate Tax Expense DisposalGroupIncludingDiscontinuedOperationRealEstateTaxExpense	6618000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Real Estate Tax Expense DisposalGroupIncludingDiscontinuedOperationRealEstateTaxExpense	787000	USD
	slg	Disposal Group Including Discontinued Operation Real Estate Tax Expense DisposalGroupIncludingDiscontinuedOperationRealEstateTaxExpense	12533000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Real Estate Tax Expense DisposalGroupIncludingDiscontinuedOperationRealEstateTaxExpense	4170000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal Fifth Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalFifthFullFiscalYear	558462000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal First Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalFirstFullFiscalYear	157288000	USD
CY2014Q3	slg	Finite Lived Intangible Liabilities Net FiniteLivedIntangibleLiabilitiesNet	185520000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal After Fifth Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalAfterFifthFullFiscalYear	5534634000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal Fourth Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalFourthFullFiscalYear	1502650000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal Second Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalSecondFullFiscalYear	374245000	USD
CY2014Q3	slg	Future Amortization Of Debt And Long Term Debt Maturities Repayments Of Principal Third Full Fiscal Year FutureAmortizationOfDebtAndLongTermDebtMaturitiesRepaymentsOfPrincipalThirdFullFiscalYear	648228000	USD
CY2013Q3	slg	Gain Loss On Sale Of Discontinued Operations GainLossOnSaleOfDiscontinuedOperations	13381000	USD
	slg	Disposal Group Including Discontinued Operation Tenant Reimbursements DisposalGroupIncludingDiscontinuedOperationTenantReimbursements	11459000	USD
	slg	Disposal Group Including Discontinued Operation Total Costs And Expenses DisposalGroupIncludingDiscontinuedOperationTotalCostsAndExpenses	65869000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Total Costs And Expenses DisposalGroupIncludingDiscontinuedOperationTotalCostsAndExpenses	5275000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Total Costs And Expenses DisposalGroupIncludingDiscontinuedOperationTotalCostsAndExpenses	19928000	USD
	slg	Disposal Group Including Discontinued Operation Total Costs And Expenses DisposalGroupIncludingDiscontinuedOperationTotalCostsAndExpenses	33661000	USD
CY2013Q3	slg	Disposal Group Including Discontinued Operation Transaction Related Costs DisposalGroupIncludingDiscontinuedOperationTransactionRelatedCosts	15000	USD
	slg	Disposal Group Including Discontinued Operation Transaction Related Costs DisposalGroupIncludingDiscontinuedOperationTransactionRelatedCosts	155000	USD
CY2014Q3	slg	Disposal Group Including Discontinued Operation Transaction Related Costs DisposalGroupIncludingDiscontinuedOperationTransactionRelatedCosts	115000	USD
	slg	Disposal Group Including Discontinued Operation Transaction Related Costs DisposalGroupIncludingDiscontinuedOperationTransactionRelatedCosts	2000	USD
	slg	Distribution To Noncontrolling Interest Operating Partnership DistributionToNoncontrollingInterestOperatingPartnership	2695000	USD
	slg	Distribution To Noncontrolling Interest Operating Partnership DistributionToNoncontrollingInterestOperatingPartnership	5482000	USD
	slg	Distributions To Noncontrolling Interests Other Partnerships DistributionsToNoncontrollingInterestsOtherPartnerships	5745000	USD
	slg	Distributions To Noncontrolling Interests Other Partnerships DistributionsToNoncontrollingInterestsOtherPartnerships	11809000	USD
CY2014Q3	slg	Excess Stock Par Or Stated Value Per Share ExcessStockParOrStatedValuePerShare	0.01
	slg	Financing Receivable Allowance For Credit Losses Write Offs And Reclassifications FinancingReceivableAllowanceForCreditLossesWriteOffsAndReclassifications	-1000000	USD
CY2013	slg	Financing Receivable Allowance For Credit Losses Write Offs And Reclassifications FinancingReceivableAllowanceForCreditLossesWriteOffsAndReclassifications	-6000000	USD
	slg	Financing Receivable Number Of Days Past Due For Suspending Income Recognition FinancingReceivableNumberOfDaysPastDueForSuspendingIncomeRecognition	P90D
	slg	Financing Receivable Portfolio Segments Number FinancingReceivablePortfolioSegmentsNumber	1	segment
CY2014Q3	slg	Financing Receivable Recorded In Other Assets FinancingReceivableRecordedInOtherAssets	132600000	USD
CY2013Q4	slg	Financing Receivable Recorded In Other Assets FinancingReceivableRecordedInOtherAssets	172800000	USD
CY2013Q4	slg	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	429138000	USD
CY2014Q3	slg	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	470235000	USD
CY2013Q4	slg	Finite Lived Intangible Liabilities Gross FiniteLivedIntangibleLiabilitiesGross	671380000	USD
CY2014Q3	slg	Finite Lived Intangible Liabilities Gross FiniteLivedIntangibleLiabilitiesGross	655755000	USD
CY2013Q4	slg	Finite Lived Intangible Liabilities Net FiniteLivedIntangibleLiabilitiesNet	242242000	USD
	slg	Gain Loss On Sale Of Discontinued Operations GainLossOnSaleOfDiscontinuedOperations	14473000	USD
	slg	Gain Loss On Sale Of Discontinued Operations GainLossOnSaleOfDiscontinuedOperations	139248000	USD
CY2014Q3	slg	Gain Loss On Sale Of Discontinued Operations GainLossOnSaleOfDiscontinuedOperations	28442000	USD
CY2013Q3	slg	Gain Loss On Sale Of Discontinued Operations Net Of Noncontrolling Interest Per Basic Share GainLossOnSaleOfDiscontinuedOperationsNetOfNoncontrollingInterestPerBasicShare	0.15
	slg	Gain Loss On Sale Of Discontinued Operations Net Of Noncontrolling Interest Per Basic Share GainLossOnSaleOfDiscontinuedOperationsNetOfNoncontrollingInterestPerBasicShare	0.16
CY2014Q3	slg	Gain Loss On Sale Of Discontinued Operations Net Of Noncontrolling Interest Per Basic Share GainLossOnSaleOfDiscontinuedOperationsNetOfNoncontrollingInterestPerBasicShare	0.30
	slg	Gain Loss On Sale Of Discontinued Operations Net Of Noncontrolling Interest Per Basic Share GainLossOnSaleOfDiscontinuedOperationsNetOfNoncontrollingInterestPerBasicShare	1.46
	slg	Gain Loss On Sale Of Discontinued Operations Per Diluted Share GainLossOnSaleOfDiscontinuedOperationsPerDilutedShare	1.45
CY2013Q3	slg	Gain Loss On Sale Of Discontinued Operations Per Diluted Share GainLossOnSaleOfDiscontinuedOperationsPerDilutedShare	0.15
	slg	Gain Loss On Sale Of Discontinued Operations Per Diluted Share GainLossOnSaleOfDiscontinuedOperationsPerDilutedShare	0.16
CY2014Q3	slg	Gain Loss On Sale Of Discontinued Operations Per Diluted Share GainLossOnSaleOfDiscontinuedOperationsPerDilutedShare	0.30
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstate	118336000	USD
CY2014Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstate	15901000	USD
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstate	-3824000	USD
CY2013Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstate	-344000	USD
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Basic Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerBasicShare	1.24
CY2013Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Basic Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerBasicShare	0.00
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Basic Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerBasicShare	-0.04
CY2014Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Basic Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerBasicShare	0.17
CY2014Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Diluted Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerDilutedShare	0.17
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Diluted Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerDilutedShare	1.23
	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Diluted Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerDilutedShare	-0.04
CY2013Q3	slg	Gain Loss On Sale Of Unconsolidated Joint Ventures Or Real Estate Per Diluted Share GainLossOnSaleOfUnconsolidatedJointVenturesOrRealEstatePerDilutedShare	0.00
	slg	Gains Losses On Extinguishment Of Debt Cash Flow Effect GainsLossesOnExtinguishmentOfDebtCashFlowEffect	-10968000	USD
	slg	Gains Losses On Extinguishment Of Debt Cash Flow Effect GainsLossesOnExtinguishmentOfDebtCashFlowEffect	-25500000	USD
CY2014Q3	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	27556000	USD
	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	130821000	USD
	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	78412000	USD
CY2013Q3	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	24468000	USD
	slg	Increase Decrease In Accrued Liabilities And Other IncreaseDecreaseInAccruedLiabilitiesAndOther	17445000	USD
	slg	Increase Decrease In Accrued Liabilities And Other IncreaseDecreaseInAccruedLiabilitiesAndOther	23635000	USD
CY2013Q3	slg	Increase Decrease In Rental Revenue Not Including Write Offs IncreaseDecreaseInRentalRevenueNotIncludingWriteOffs	6600000	USD
	slg	Interest Cost Assumptions Leverage Rate InterestCostAssumptionsLeverageRate	1
	slg	Interest Expense Increase Decrease Assumed Above Market Rate Mortgage Amortization InterestExpenseIncreaseDecreaseAssumedAboveMarketRateMortgageAmortization	-3700000	USD
CY2013Q3	slg	Interest Expense Increase Decrease Assumed Above Market Rate Mortgage Amortization InterestExpenseIncreaseDecreaseAssumedAboveMarketRateMortgageAmortization	-1200000	USD
	slg	Interest Expense Increase Decrease Assumed Above Market Rate Mortgage Amortization InterestExpenseIncreaseDecreaseAssumedAboveMarketRateMortgageAmortization	-4100000	USD
CY2014Q3	slg	Interest Expense Increase Decrease Assumed Above Market Rate Mortgage Amortization InterestExpenseIncreaseDecreaseAssumedAboveMarketRateMortgageAmortization	-1300000	USD
CY2014Q3	slg	Interest Expense Net InterestExpenseNet	82376000	USD
	slg	Interest Expense Net InterestExpenseNet	236424000	USD
	slg	Interest Expense Net InterestExpenseNet	232862000	USD
CY2013Q3	slg	Interest Expense Net InterestExpenseNet	78226000	USD
	slg	Operating Leases Minimum Lease Term OperatingLeasesMinimumLeaseTerm	P1Y
	slg	Operating Partnership Noncontrolling Interest Fair Value Adjustment OperatingPartnershipNoncontrollingInterestFairValueAdjustment	108453000	USD
	slg	Operating Partnership Noncontrolling Interest Fair Value Adjustment OperatingPartnershipNoncontrollingInterestFairValueAdjustment	38452000	USD
CY2014Q3	slg	Other Comprehensive Income Loss Deferred Net Lossfrom Terminated Hedges OtherComprehensiveIncomeLossDeferredNetLossfromTerminatedHedges	12200000	USD
CY2013Q4	slg	Other Comprehensive Income Loss Deferred Net Lossfrom Terminated Hedges OtherComprehensiveIncomeLossDeferredNetLossfromTerminatedHedges	13800000	USD
	slg	Mortgage Loans On Real Estate Period Decrease MortgageLoansOnRealEstatePeriodDecrease	348500000	USD
	slg	Mortgage Loans On Real Estate Period Decrease MortgageLoansOnRealEstatePeriodDecrease	530200000	USD
	slg	Mortgage Loans On Real Estate Period Increase MortgageLoansOnRealEstatePeriodIncrease	497400000	USD
	slg	Mortgage Loans On Real Estate Period Increase MortgageLoansOnRealEstatePeriodIncrease	476600000	USD
	slg	Noncash Issuanceof Preferred Unitsof Limited Partnership NoncashIssuanceofPreferredUnitsofLimitedPartnership	27565000	USD
	slg	Noncash Issuanceof Preferred Unitsof Limited Partnership NoncashIssuanceofPreferredUnitsofLimitedPartnership	0	USD
	slg	Number Of Shares On Redemption Of One Unit Of Partnership Interest NumberOfSharesOnRedemptionOfOneUnitOfPartnershipInterest	1	shares
CY2014Q3	slg	Numberof Real Estate Buildings NumberofRealEstateBuildings	99	building
	slg	Partners Capital Account Sale Of Units Including Series H PartnersCapitalAccountSaleOfUnitsIncludingSeriesH	22862000	USD
	slg	Partners Capital Account Sale Of Units Including Series H PartnersCapitalAccountSaleOfUnitsIncludingSeriesH	14270000	USD
CY2014Q3	slg	Preferred Stock Redemption Cost PreferredStockRedemptionCost	0	USD
	slg	Preferred Stock Redemption Cost PreferredStockRedemptionCost	12160000	USD
	slg	Preferred Stock Redemption Cost PreferredStockRedemptionCost	0	USD
CY2013Q3	slg	Preferred Stock Redemption Cost PreferredStockRedemptionCost	0	USD
CY2014Q3	slg	Preferred Units Distributions PreferredUnitsDistributions	820000	USD
	slg	Preferred Units Distributions PreferredUnitsDistributions	1950000	USD
	slg	Preferred Units Distributions PreferredUnitsDistributions	1692000	USD
CY2013Q3	slg	Preferred Units Distributions PreferredUnitsDistributions	562000	USD
	slg	Proceeds From Equity Method Investment Dividends Or Distributions ProceedsFromEquityMethodInvestmentDividendsOrDistributions	158809000	USD
	slg	Proceeds From Equity Method Investment Dividends Or Distributions ProceedsFromEquityMethodInvestmentDividendsOrDistributions	19795000	USD
	slg	Proceeds From Noncontrolling Interests In Other Partnerships ProceedsFromNoncontrollingInterestsInOtherPartnerships	3781000	USD
	slg	Proceeds From Noncontrolling Interests In Other Partnerships ProceedsFromNoncontrollingInterestsInOtherPartnerships	27933000	USD
	slg	Profit Loss Less Minority Interest In Net Income Loss Operating Partnerships ProfitLossLessMinorityInterestInNetIncomeLossOperatingPartnerships	462578000	USD
CY2013Q3	slg	Purchase Price Fair Value Adjustment Gross PurchasePriceFairValueAdjustmentGross	0	USD
CY2014Q3	slg	Purchase Price Fair Value Adjustment Gross PurchasePriceFairValueAdjustmentGross	-4000000	USD
	slg	Purchase Price Fair Value Adjustment Gross PurchasePriceFairValueAdjustmentGross	-2305000	USD
	slg	Purchase Price Fair Value Adjustment Gross PurchasePriceFairValueAdjustmentGross	67446000	USD
	slg	Purchase Price Fair Value Adjustments Attributable To Parent PurchasePriceFairValueAdjustmentsAttributableToParent	65111000	USD
	slg	Purchase Price Fair Value Adjustments Attributable To Parent PurchasePriceFairValueAdjustmentsAttributableToParent	-2239000	USD
CY2013Q3	slg	Purchase Price Fair Value Adjustments Attributable To Parent PurchasePriceFairValueAdjustmentsAttributableToParent	0	USD
CY2014Q3	slg	Purchase Price Fair Value Adjustments Attributable To Parent PurchasePriceFairValueAdjustmentsAttributableToParent	-3856000	USD
CY2014Q3	slg	Real Estate Weighted Average Occupancy RealEstateWeightedAverageOccupancy	0.870
	slg	Reallocation Minority Interest In Operating Partnerships ReallocationMinorityInterestInOperatingPartnerships	108453000	USD
	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	12500000	USD
CY2014Q3	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	5700000	USD
	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	18200000	USD
CY2013Q3	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	-200000	USD
CY2013Q4	slg	Secured Debt And Other Loans Payable SecuredDebtAndOtherLoansPayable	4860578000	USD
CY2014Q3	slg	Secured Debt And Other Loans Payable SecuredDebtAndOtherLoansPayable	6338184000	USD
CY2013Q4	slg	Secured Debt Bearing Fixed Interest Amount SecuredDebtBearingFixedInterestAmount	4130629000	USD
CY2014Q3	slg	Secured Debt Bearing Fixed Interest Amount SecuredDebtBearingFixedInterestAmount	4732032000	USD
CY2013Q4	slg	Secured Debt Bearing Variable Interest Amount SecuredDebtBearingVariableInterestAmount	729949000	USD
CY2014Q3	slg	Secured Debt Bearing Variable Interest Amount SecuredDebtBearingVariableInterestAmount	1606152000	USD
CY2014Q3	slg	Total Costs And Expenses Including Nonoperating Income Expense TotalCostsAndExpensesIncludingNonoperatingIncomeExpense	344277000	USD
	slg	Total Costs And Expenses Including Nonoperating Income Expense TotalCostsAndExpensesIncludingNonoperatingIncomeExpense	997811000	USD
CY2013Q3	slg	Total Costs And Expenses Including Nonoperating Income Expense TotalCostsAndExpensesIncludingNonoperatingIncomeExpense	317253000	USD
	slg	Total Costs And Expenses Including Nonoperating Income Expense TotalCostsAndExpensesIncludingNonoperatingIncomeExpense	927865000	USD
CY2014Q3	slg	Total Par Or Stated Value Per Share TotalParOrStatedValuePerShare	0.01
CY2014Q3	slg	Total Shares Authorized TotalSharesAuthorized	260000000	shares
	slg	Transaction Related Costs TransactionRelatedCosts	6554000	USD
CY2014Q3	slg	Transaction Related Costs TransactionRelatedCosts	2383000	USD
	slg	Transaction Related Costs TransactionRelatedCosts	717000	USD
CY2013Q3	slg	Transaction Related Costs TransactionRelatedCosts	-2368000	USD
	slg	Transfer To Liabilities Related To Net Assets Held For Sale TransferToLiabilitiesRelatedToNetAssetsHeldForSale	461891000	USD
	slg	Transfer To Liabilities Related To Net Assets Held For Sale TransferToLiabilitiesRelatedToNetAssetsHeldForSale	0	USD
	slg	Transfer To Net Assets Held For Sale TransferToNetAssetsHeldForSale	753457000	USD
	slg	Transfer To Net Assets Held For Sale TransferToNetAssetsHeldForSale	0	USD
	slg	Transferof Financing Receivableto Debt Investments TransferofFinancingReceivabletoDebtInvestments	0	USD
	slg	Transferof Financing Receivableto Debt Investments TransferofFinancingReceivabletoDebtInvestments	19675000	USD
CY2013Q4	slg	Variable Interest Entity Not Primary Beneficiary Investment VariableInterestEntityNotPrimaryBeneficiaryInvestment	310700000	USD
CY2014Q3	slg	Variable Interest Entity Not Primary Beneficiary Investment VariableInterestEntityNotPrimaryBeneficiaryInvestment	174400000	USD
CY2013Q3	slg	Write Off Of Above Market And Inplace Lease Balances WriteOffOfAboveMarketAndInplaceLeaseBalances	6800000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Period End Date DocumentPeriodEndDate	2014-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001040971
CY2014Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	96516521	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	SL GREEN REALTY CORP

Files In Submission

Name	View Source	Status
0001040971-14-000015-index-headers.html	Edgar Link	pending
0001040971-14-000015-index.html	Edgar Link	pending
0001040971-14-000015.txt	Edgar Link	pending
0001040971-14-000015-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
slg-20140930.xml	Edgar Link	completed
slg-20140930.xsd	Edgar Link	pending
slg-2014093010xqex321.htm	Edgar Link	pending
slg-2014093010xqex322.htm	Edgar Link	pending
slg-2014093010xqex323.htm	Edgar Link	pending
slg-2014093010xqex324.htm	Edgar Link	pending
slg-20140930x10q.htm	Edgar Link	pending
slg-20140930x10qex311.htm	Edgar Link	pending
slg-20140930x10qex312.htm	Edgar Link	pending
slg-20140930x10qex313.htm	Edgar Link	pending
slg-20140930x10qex314.htm	Edgar Link	pending
slg-20140930_cal.xml	Edgar Link	unprocessable
slg-20140930_def.xml	Edgar Link	unprocessable
slg-20140930_lab.xml	Edgar Link	unprocessable
slg-20140930_pre.xml	Edgar Link	unprocessable

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$SLG
SL Green Realty Corp Stock $slg

2014 Q4 Form 10-Q Financial Statement

#000104097114000015 Filed on November 10, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SLG SL Green Realty Corp Stock $slg

2014 Q4 Form 10-Q Financial Statement

#000104097114000015 Filed on November 10, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SLG
SL Green Realty Corp Stock $slg