$SLG
SL GREEN REALTY CORP Stock $slg

$slg Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000104097123000040 Filed on November 06, 2023

Income Statement

Concept	2023 Q4	2023 Q3
Revenue	$295.8M	$173.2M
YoY Change	31.56%	-18.47%
Cost Of Revenue	$196.9M	$88.00M
YoY Change	107.29%	0.56%
Gross Profit	$98.97M	$85.20M
YoY Change	-23.81%	-31.81%
Gross Profit Margin	33.45%	49.19%
Selling, General & Admin	$42.27M	$22.90M
YoY Change	73.88%	7.51%
% of Gross Profit	42.71%	26.88%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$51.45M	$52.40M
YoY Change	-31.27%	3.75%
% of Gross Profit	51.98%	61.5%
Operating Expenses	$92.24M	$22.90M
YoY Change	-5.16%	7.51%
Operating Profit	$6.727M	$62.30M
YoY Change	-79.39%	-39.89%
Interest Expense	-$84.51M	$52.88M
YoY Change	26.15%	30.39%
% of Operating Profit	-1256.3%	84.87%
Other Income/Expense, Net	-$76.85M	$400.0K
YoY Change	1117.28%
Pretax Income	-$160.1M	-$21.70M
YoY Change	149.9%	-277.71%
Income Tax		$2.500M
% Of Pretax Income
Net Earnings	-$157.0M	-$20.23M
YoY Change	141.69%	-282.0%
Net Earnings / Revenue	-53.08%	-11.68%
Basic Earnings Per Share		-$0.38
Diluted Earnings Per Share	-$2.50	-$0.38
COMMON SHARES
Basic Shares Outstanding	64.42M shares	64.39M shares
Diluted Shares Outstanding		68.30M shares

Balance Sheet

Concept	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$231.4M	$199.4M
YoY Change	7.88%	-8.46%
Cash & Equivalents	$221.8M	$189.8M
Short-Term Investments	$9.591M	$9.616M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$310.1M	$310.0M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$531.9M	$500.0M
YoY Change	1.7%	-4.3%
LONG-TERM ASSETS
Property, Plant & Equipment	$5.021B	$4.994B
YoY Change	-29.87%	-33.02%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$2.983B	$3.153B
YoY Change	-6.48%	-1.04%
Other Assets	$225.2M	$228.0M
YoY Change	-25.43%	-23.94%
Total Long-Term Assets	$8.999B	$9.191B
YoY Change	-23.95%	-24.63%
TOTAL ASSETS
Total Short-Term Assets	$531.9M	$500.0M
Total Long-Term Assets	$8.999B	$9.191B
Total Assets	$9.531B	$9.691B
YoY Change	-22.86%	-23.79%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$153.2M	$146.0M
YoY Change	-1.1%	-16.67%
Accrued Expenses	$845.6M	$905.0M
YoY Change	-7.01%	-2.74%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.069B	$1.123B
YoY Change	-5.92%	-4.91%
LONG-TERM LIABILITIES
Long-Term Debt	$3.596B	$3.456B
YoY Change	-35.97%	-39.56%
Other Long-Term Liabilities	$605.5M	$589.0M
YoY Change	19.08%	-0.64%
Total Long-Term Liabilities	$4.202B	$4.045B
YoY Change	-31.4%	-35.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.069B	$1.123B
Total Long-Term Liabilities	$4.202B	$4.045B
Total Liabilities	$5.271B	$5.169B
YoY Change	-27.41%	-31.01%
SHAREHOLDERS EQUITY
Retained Earnings	-$151.6M	$62.41M
YoY Change	-123.27%	-91.74%
Common Stock	$660.0K	$656.0K
YoY Change	0.61%	0.15%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.786B	$4.040B
YoY Change
Total Liabilities & Shareholders Equity	$9.531B	$9.691B
YoY Change	-22.86%	-23.79%

Cashflow Statement

Concept	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	-$157.0M	-$20.23M
YoY Change	141.69%	-282.0%
Depreciation, Depletion And Amortization	$51.45M	$52.40M
YoY Change	-31.27%	3.75%
Cash From Operating Activities	$48.20M	$77.30M
YoY Change	82.17%	15.04%
INVESTING ACTIVITIES
Capital Expenditures	$65.66M	$59.80M
YoY Change	-37.92%	-145.12%
Acquisitions
YoY Change
Other Investing Activities	-$34.69M	$370.4M
YoY Change	-113.43%	36.92%
Cash From Investing Activities	-$100.4M	$310.6M
YoY Change	-165.81%	125.09%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	78.42M	-389.7M
YoY Change	-143.57%	301.07%
NET CHANGE
Cash From Operating Activities	48.20M	77.30M
Cash From Investing Activities	-100.4M	310.6M
Cash From Financing Activities	78.42M	-389.7M
Net Change In Cash	26.27M	-1.800M
YoY Change	-2664.94%	-101.67%
FREE CASH FLOW
Cash From Operating Activities	$48.20M	$77.30M
Capital Expenditures	$65.66M	$59.80M
Free Cash Flow	-$17.46M	$17.50M
YoY Change	-77.99%	-91.24%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q3	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	29817000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	48979000	usd
CY2022Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3738000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	140000	usd
CY2022Q3	slg	Reallocationof Noncontrolling Interest In Operating Partnership Increase Decrease ReallocationofNoncontrollingInterestInOperatingPartnershipIncreaseDecrease	28624000	usd
CY2022Q3	slg	Deferred Compensation Plan And Stock Award Net DeferredCompensationPlanAndStockAwardNet	8616000	usd
CY2022Q3	slg	Consolidation Of Joint Venture Interest ConsolidationOfJointVentureInterest	817000	usd
CY2022Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	148000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.932
CY2022Q3	us-gaap	Dividends Common Stock DividendsCommonStock	60138000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4752221000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4646922000	usd
	slg	Profit Loss Less Minority Interest In Net Income Loss Operating Partnerships ProfitLossLessMinorityInterestInNetIncomeLossOperatingPartnerships	-417138000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20012000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	11213000	usd
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	439000	usd
	slg	Reallocationof Noncontrolling Interest In Operating Partnership Increase Decrease ReallocationofNoncontrollingInterestInOperatingPartnershipIncreaseDecrease	-8072000	usd
	slg	Deferred Compensation Plan And Stock Award Net DeferredCompensationPlanAndStockAwardNet	22961000	usd
	slg	Consolidation Of Joint Venture Interest ConsolidationOfJointVentureInterest	11714000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1614000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.437
	us-gaap	Dividends Common Stock DividendsCommonStock	156768000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4107243000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4778253000	usd
	slg	Profit Loss Less Minority Interest In Net Income Loss Operating Partnerships ProfitLossLessMinorityInterestInNetIncomeLossOperatingPartnerships	-15266000	usd
	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	29817000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	104332000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	11213000	usd
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	339000	usd
	slg	Reallocationof Noncontrolling Interest In Operating Partnership Increase Decrease ReallocationofNoncontrollingInterestInOperatingPartnershipIncreaseDecrease	23539000	usd
	slg	Deferred Compensation Plan And Stock Award Net DeferredCompensationPlanAndStockAwardNet	22147000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	151197000	usd
	slg	Consolidation Of Joint Venture Interest ConsolidationOfJointVentureInterest	52164000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3168000	usd
	us-gaap	Stock Issued During Period Value Stock Dividend StockIssuedDuringPeriodValueStockDividend	160620000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.797
	us-gaap	Dividends Common Stock DividendsCommonStock	178512000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4752221000	usd
	us-gaap	Profit Loss ProfitLoss	-439279000	usd
	us-gaap	Profit Loss ProfitLoss	-12253000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	204171000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	148267000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-44470000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-31262000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	514000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	448000	usd
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-79000	usd
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-131000	usd
	slg	Purchase Price Fair Value Adjustment Gain Loss PurchasePriceFairValueAdjustmentGainLoss	-6987000	usd
	slg	Purchase Price Fair Value Adjustment Gain Loss PurchasePriceFairValueAdjustmentGainLoss	-7348000	usd
	slg	Depreciable Real Estate Reserves Cash Flow Effect DepreciableRealEstateReservesCashFlowEffect	-305527000	usd
	slg	Depreciable Real Estate Reserves Cash Flow Effect DepreciableRealEstateReservesCashFlowEffect	0	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-27813000	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-61104000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	6890000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	0	usd
	us-gaap	Straight Line Rent StraightLineRent	16195000	usd
	us-gaap	Straight Line Rent StraightLineRent	1371000	usd
	slg	Non Cash Lease Expense NonCashLeaseExpense	15477000	usd
	slg	Non Cash Lease Expense NonCashLeaseExpense	17332000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-6645000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	11950000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2852000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-7800000	usd
	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	-16466000	usd
	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	-5803000	usd
	us-gaap	Increase Decrease In Deferred Leasing Fees IncreaseDecreaseInDeferredLeasingFees	8066000	usd
	us-gaap	Increase Decrease In Deferred Leasing Fees IncreaseDecreaseInDeferredLeasingFees	10227000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	13254000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	35114000	usd
	slg	Increase Decrease In Accrued Liabilities And Other IncreaseDecreaseInAccruedLiabilitiesAndOther	23655000	usd
	slg	Increase Decrease In Accrued Liabilities And Other IncreaseDecreaseInAccruedLiabilitiesAndOther	21345000	usd
	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	9978000	usd
	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	17208000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-7688000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	2495000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	181338000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	249628000	usd
	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	0	usd
	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	64491000	usd
	slg	Payments To Acquire Land Buildings And Improvements PaymentsToAcquireLandBuildingsAndImprovements	194035000	usd
	slg	Payments To Acquire Land Buildings And Improvements PaymentsToAcquireLandBuildingsAndImprovements	194997000	usd
	slg	Payments For Proceeds From Acquisition Deposits And Deferred Purchase Price PaymentsForProceedsFromAcquisitionDepositsAndDeferredPurchasePrice	0	usd
	slg	Payments For Proceeds From Acquisition Deposits And Deferred Purchase Price PaymentsForProceedsFromAcquisitionDepositsAndDeferredPurchasePrice	-75400000	usd
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	119522000	usd
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	146598000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	108884000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	92217000	usd
	us-gaap	Proceeds From Real Estate And Real Estate Joint Ventures ProceedsFromRealEstateAndRealEstateJointVentures	547605000	usd
	us-gaap	Proceeds From Real Estate And Real Estate Joint Ventures ProceedsFromRealEstateAndRealEstateJointVentures	353853000	usd
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	usd
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	60494000	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	11465000	usd
	slg	Payments For Proceeds From Other Investments PaymentsForProceedsFromOtherInvestments	17545000	usd
	slg	Payments For Proceeds From Other Investments PaymentsForProceedsFromOtherInvestments	-1619000	usd
	slg	Origination Of Debt And Preferred Equity Investments OriginationOfDebtAndPreferredEquityInvestments	53703000	usd
	slg	Origination Of Debt And Preferred Equity Investments OriginationOfDebtAndPreferredEquityInvestments	40053000	usd
	slg	Repayments Or Redemption Of Debt And Preferred Equity Investments RepaymentsOrRedemptionOfDebtAndPreferredEquityInvestments	0	usd
	slg	Repayments Or Redemption Of Debt And Preferred Equity Investments RepaymentsOrRedemptionOfDebtAndPreferredEquityInvestments	124405000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	271684000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	273314000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	381980000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	4340000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	290936000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	358000000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	1124000000	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	808000000	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	1364000000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	439000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	339000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	151197000	usd
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	11700000	usd
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	17967000	usd
	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	8900000	usd
	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	35316000	usd
	slg	Distributions To Noncontrolling Interests Other Partnerships DistributionsToNoncontrollingInterestsOtherPartnerships	1614000	usd
	slg	Distributions To Noncontrolling Interests Other Partnerships DistributionsToNoncontrollingInterestsOtherPartnerships	3168000	usd
	slg	Proceeds From Noncontrolling Interests In Other Partnerships ProceedsFromNoncontrollingInterestsInOtherPartnerships	3580000	usd
	slg	Proceeds From Noncontrolling Interests In Other Partnerships ProceedsFromNoncontrollingInterestsInOtherPartnerships	52164000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	29817000	usd
	slg	Distribution To Noncontrolling Interest Operating Partnership DistributionToNoncontrollingInterestOperatingPartnership	11225000	usd
	slg	Distribution To Noncontrolling Interest Operating Partnership DistributionToNoncontrollingInterestOperatingPartnership	12635000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	172920000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	197124000	usd
	slg	Proceeds From Other Obligation Related To Secured Borrowing ProceedsFromOtherObligationRelatedToSecuredBorrowing	129656000	usd
	slg	Proceeds From Other Obligation Related To Secured Borrowing ProceedsFromOtherObligationRelatedToSecuredBorrowing	77874000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3915000	usd
	slg	Proceeds From Payments Of Financing Costs ProceedsFromPaymentsOfFinancingCosts	729000	usd
	slg	Proceeds From Payments Of Financing Costs ProceedsFromPaymentsOfFinancingCosts	5130000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-527753000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-74731000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	48094000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	384054000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	336984000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	309323000	usd
	slg	Exchange Of Preferred Equity Investment For Real Estate Or Equity In Joint Venture ExchangeOfPreferredEquityInvestmentForRealEstateOrEquityInJointVenture	0	usd
	slg	Exchange Of Preferred Equity Investment For Real Estate Or Equity In Joint Venture ExchangeOfPreferredEquityInvestmentForRealEstateOrEquityInJointVenture	190652000	usd
	us-gaap	Transfer Of Investments TransferOfInvestments	349946000	usd
	us-gaap	Transfer Of Investments TransferOfInvestments	193995000	usd
	slg	Assumption Of Mortgage And Mezzanine Loans AssumptionOfMortgageAndMezzanineLoans	0	usd
	slg	Assumption Of Mortgage And Mezzanine Loans AssumptionOfMortgageAndMezzanineLoans	1712750000	usd
	slg	Issuance Of Special Dividend Stock Dividend IssuanceOfSpecialDividendStockDividend	0	usd
	slg	Issuance Of Special Dividend Stock Dividend IssuanceOfSpecialDividendStockDividend	160620000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	18518000	usd
	slg	Operating Partnership Noncontrolling Interest Fair Value Adjustment OperatingPartnershipNoncontrollingInterestFairValueAdjustment	8072000	usd
	slg	Operating Partnership Noncontrolling Interest Fair Value Adjustment OperatingPartnershipNoncontrollingInterestFairValueAdjustment	23539000	usd
	slg	Deconsolidation Real Estate Investments DeconsolidationRealEstateInvestments	101351000	usd
	slg	Deconsolidation Real Estate Investments DeconsolidationRealEstateInvestments	0	usd
	slg	Contribution To Consolidated Joint Venture Interest ContributionToConsolidatedJointVentureInterest	8134000	usd
	slg	Contribution To Consolidated Joint Venture Interest ContributionToConsolidatedJointVentureInterest	0	usd
	slg	Debt And Preferred Equity Reserves DebtAndPreferredEquityReserves	0	usd
	slg	Debt And Preferred Equity Reserves DebtAndPreferredEquityReserves	302000	usd
	slg	Removalof Fully Depreciated Real Estate Assets RemovalofFullyDepreciatedRealEstateAssets	7747000	usd
	slg	Removalof Fully Depreciated Real Estate Assets RemovalofFullyDepreciatedRealEstateAssets	4048000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	57938000	usd
CY2023Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	189750000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	201267000	usd
CY2023Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	119573000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	183811000	usd
CY2023Q3	slg	Numberof Real Estate Buildings NumberofRealEstateBuildings	51	building
CY2023Q3	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	29708910	sqft
CY2023Q3	slg	Mortgage Loanson Real Estate Commercialand Consumer Net Including Debt Investments Other MortgageLoansonRealEstateCommercialandConsumerNetIncludingDebtInvestmentsOther	334300000	usd
CY2023Q3	slg	Debt Investments Other DebtInvestmentsOther	8300000	usd
	slg	Number Of Shares On Redemption Of One Unit Of Partnership Interest NumberOfSharesOnRedemptionOfOneUnitOfPartnershipInterest	1	shares
CY2023Q3	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	-100000	usd
	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	-14300000	usd
CY2022Q3	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	-200000	usd
	slg	Rental Revenue Increase Decrease Acquired Lease Amortization RentalRevenueIncreaseDecreaseAcquiredLeaseAmortization	-100000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	189680000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	403552000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	184491000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	190066000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5189000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	213486000	usd
CY2023Q3	slg	Finite Lived Intangible Liabilities Gross FiniteLivedIntangibleLiabilitiesGross	205394000	usd
CY2022Q4	slg	Finite Lived Intangible Liabilities Gross FiniteLivedIntangibleLiabilitiesGross	361338000	usd
CY2023Q3	slg	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	202000000	usd
CY2022Q4	slg	Finite Lived Intangible Liabilities Accumulated Amortization FiniteLivedIntangibleLiabilitiesAccumulatedAmortization	212191000	usd
CY2023Q3	slg	Finite Lived Intangible Liabilities Net FiniteLivedIntangibleLiabilitiesNet	3394000	usd
CY2022Q4	slg	Finite Lived Intangible Liabilities Net FiniteLivedIntangibleLiabilitiesNet	149147000	usd
CY2023Q3	us-gaap	Marketable Securities MarketableSecurities	9616000	usd
CY2022Q4	us-gaap	Marketable Securities MarketableSecurities	11240000	usd
CY2023Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	7800000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	7800000	usd
	slg	Debt Securities Available For Sale Number Of Securities Sold DebtSecuritiesAvailableForSaleNumberOfSecuritiesSold	1	security
CY2022Q3	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3700000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3700000	usd
	slg	Debt Securities Available For Sale Number Of Securities Repaid DebtSecuritiesAvailableForSaleNumberOfSecuritiesRepaid	1	security
CY2023Q3	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	0	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	0	usd
CY2022Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-100000	usd
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-6100000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2500000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5200000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2200000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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.</span></div>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentrations of Credit Risk</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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 with high quality financial institutions. The collateral securing our debt and preferred equity investments is located in New York City. See Note 5, "Debt and Preferred Equity Investments." </span></div>We perform initial and ongoing evaluations of the credit quality 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 potential source of funds to offset the economic costs associated with lost revenue from that tenant and the costs associated with re-tenanting a space.
	slg	Number Of Real Estate Properties Acquired From Third Party NumberOfRealEstatePropertiesAcquiredFromThirdParty	0	property
CY2023Q2	slg	Equity Method Investment Ownership Percentage Deconsolidated EquityMethodInvestmentOwnershipPercentageDeconsolidated	0.501
CY2023Q2	us-gaap	Assets Fair Value Adjustment AssetsFairValueAdjustment	17000000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	334327000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	623280000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	334327000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	334327000	usd
CY2022Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	623280000	usd
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	1088723000	usd
	us-gaap	Mortgage Loans On Real Estate Amortization Of Premium MortgageLoansOnRealEstateAmortizationOfPremium	349947000	usd
CY2022	us-gaap	Mortgage Loans On Real Estate Amortization Of Premium MortgageLoansOnRealEstateAmortizationOfPremium	565940000	usd
	slg	Sec Schedule1229 Real Estate Companies Investment In Mortgage Loans On Real Estate Loan Loss Reserve Period Increase Decrease SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoanLossReservePeriodIncreaseDecrease	-6890000	usd
CY2022	slg	Sec Schedule1229 Real Estate Companies Investment In Mortgage Loans On Real Estate Loan Loss Reserve Period Increase Decrease SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateLoanLossReservePeriodIncreaseDecrease	0	usd
CY2023Q3	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	334327000	usd
CY2022Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	623280000	usd
	srt	Mortgage Loans On Real Estate Interest Rate MortgageLoansOnRealEstateInterestRate	0.0915
CY2023Q3	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	334327000	usd
CY2023Q3	slg	Mortgage Loanson Real Estate Senior Financing MortgageLoansonRealEstateSeniorFinancing	1319704000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	6630000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	6630000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	6890000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	0	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	13520000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	6630000	usd
CY2023Q3	slg	Financing Receivable Nonaccrual No Allowance Number FinancingReceivableNonaccrualNoAllowanceNumber	1	loan
CY2023Q3	slg	Number Of Investments Nonperforming NumberOfInvestmentsNonperforming	3	investment
CY2022Q4	slg	Number Of Investments Nonperforming NumberOfInvestmentsNonperforming	1	investment
	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	6900000	usd
CY2022	slg	Financing Receivable Portfolio Segments Number FinancingReceivablePortfolioSegmentsNumber	1	segment
	slg	Financing Receivable Portfolio Segments Number FinancingReceivablePortfolioSegmentsNumber	1	segment
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5600000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
	srt	Mortgage Loans On Real Estate Interest Rate MortgageLoansOnRealEstateInterestRate	0.0915
CY2023Q3	slg	Variable Interest Entity Not Primary Beneficiary Investment VariableInterestEntityNotPrimaryBeneficiaryInvestment	453700000	usd
CY2022Q4	slg	Variable Interest Entity Not Primary Beneficiary Investment VariableInterestEntityNotPrimaryBeneficiaryInvestment	86200000	usd
CY2023Q2	slg	Equity Method Investment Ownership Percentage Deconsolidated EquityMethodInvestmentOwnershipPercentageDeconsolidated	0.501
CY2023Q2	us-gaap	Assets Fair Value Adjustment AssetsFairValueAdjustment	17000000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3190137000	usd
CY2023Q3	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	537400000	usd
CY2023Q3	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	392760000	usd
CY2022Q4	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	407188000	usd
CY2023Q3	slg	Accumulated Amortization Of Deferred Costs AccumulatedAmortizationOfDeferredCosts	284390000	usd
CY2022Q4	slg	Accumulated Amortization Of Deferred Costs AccumulatedAmortizationOfDeferredCosts	286031000	usd
CY2023Q3	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	108370000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	121157000	usd
CY2023Q3	slg	Secured Debt Bearing Fixed Interest Amount SecuredDebtBearingFixedInterestAmount	1398724000	usd
CY2022Q4	slg	Secured Debt Bearing Fixed Interest Amount SecuredDebtBearingFixedInterestAmount	3115814000	usd
CY2023Q3	slg	Secured Debt Bearing Variable Interest Amount SecuredDebtBearingVariableInterestAmount	120148000	usd
	us-gaap	Interest Expense InterestExpense	183652000	usd
	us-gaap	Interest Expense InterestExpense	105165000	usd
CY2023Q3	slg	Finance Lease Interest Expense Before Capitalized Interest FinanceLeaseInterestExpenseBeforeCapitalizedInterest	1113000	usd
CY2022Q4	slg	Secured Debt Bearing Variable Interest Amount SecuredDebtBearingVariableInterestAmount	120148000	usd
CY2023Q3	slg	Secured Debt Gross SecuredDebtGross	1518872000	usd
CY2022Q4	slg	Secured Debt Gross SecuredDebtGross	3235962000	usd
CY2023Q3	slg	Secured Debt Deferred Finance Costs Net SecuredDebtDeferredFinanceCostsNet	6126000	usd
CY2022Q4	slg	Secured Debt Deferred Finance Costs Net SecuredDebtDeferredFinanceCostsNet	8399000	usd
CY2023Q3	us-gaap	Secured Debt SecuredDebt	1512746000	usd
CY2022Q4	us-gaap	Secured Debt SecuredDebt	3227563000	usd
CY2023Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	1900000000	usd
CY2022Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	3800000000	usd
CY2023Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	261635000	usd
CY2023Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	537237000	usd
CY2023Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	470000000	usd
CY2023Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2023Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1950000000	usd
CY2023Q3	slg	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	150000000	usd
CY2023Q3	slg	Long Term Debt Maturities Repayments Of Principal LongTermDebtMaturitiesRepaymentsOfPrincipal	3368872000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	52877000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	40553000	usd
	slg	Incremental Common Shares Attributable To Redemption Of Units To Common Shares IncrementalCommonSharesAttributableToRedemptionOfUnitsToCommonShares	4175000	shares
CY2022Q3	slg	Finance Lease Interest Expense Before Capitalized Interest FinanceLeaseInterestExpenseBeforeCapitalizedInterest	1099000	usd
	slg	Finance Lease Interest Expense Before Capitalized Interest FinanceLeaseInterestExpenseBeforeCapitalizedInterest	3329000	usd
	slg	Finance Lease Interest Expense Before Capitalized Interest FinanceLeaseInterestExpenseBeforeCapitalizedInterest	3453000	usd
CY2023Q3	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	25483000	usd
CY2022Q3	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	19659000	usd
	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	77916000	usd
	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	55952000	usd
CY2023Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2022Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	2842000	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	1067000	usd
CY2022Q3	us-gaap	Interest Income Operating InterestIncomeOperating	169000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	2193000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	812000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-27440000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-21824000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-109714000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-51854000	usd
CY2023Q3	slg	Total Shares Authorized TotalSharesAuthorized	260000000	shares
CY2023Q3	slg	Total Par Or Stated Value Per Share TotalParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	160000000	shares
CY2023Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Excess Stock Shares Authorized ExcessStockSharesAuthorized	75000000	shares
CY2023Q3	slg	Excess Stock Par Or Stated Value Per Share ExcessStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2023Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Excess Stock Shares Issued ExcessStockSharesIssued	0	shares
CY2023Q3	us-gaap	Excess Stock Shares Outstanding ExcessStockSharesOutstanding	0	shares
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	8276032	shares
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	64.30
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	4474649	shares
CY2021	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	75.44
CY2022	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1971092	shares
CY2022	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	76.69
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-23967000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7377000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-423892000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-28748000	usd
CY2023Q3	us-gaap	Distributed Earnings DistributedEarnings	408000	usd
CY2022Q3	us-gaap	Distributed Earnings DistributedEarnings	505000	usd
	us-gaap	Distributed Earnings DistributedEarnings	1225000	usd
	us-gaap	Distributed Earnings DistributedEarnings	1516000	usd
CY2023Q3	slg	Net Income Loss Available To Common Stockholders After Distributed And Undistributed Earnings Allocation Basic NetIncomeLossAvailableToCommonStockholdersAfterDistributedAndUndistributedEarningsAllocationBasic	-24375000	usd
CY2022Q3	slg	Net Income Loss Available To Common Stockholders After Distributed And Undistributed Earnings Allocation Basic NetIncomeLossAvailableToCommonStockholdersAfterDistributedAndUndistributedEarningsAllocationBasic	6872000	usd
	slg	Net Income Loss Available To Common Stockholders After Distributed And Undistributed Earnings Allocation Basic NetIncomeLossAvailableToCommonStockholdersAfterDistributedAndUndistributedEarningsAllocationBasic	-425117000	usd
	slg	Net Income Loss Available To Common Stockholders After Distributed And Undistributed Earnings Allocation Basic NetIncomeLossAvailableToCommonStockholdersAfterDistributedAndUndistributedEarningsAllocationBasic	-30264000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-505000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	484000	usd
CY2023Q3	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	-1574000	usd
CY2022Q3	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	491000	usd
	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	-27493000	usd
	us-gaap	Dilutive Securities Effect On Basic Earnings Per Share Other DilutiveSecuritiesEffectOnBasicEarningsPerShareOther	-1831000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-25949000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	7868000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-452610000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-32579000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64114000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63949000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64099000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63971000	shares
CY2023Q3	slg	Incremental Common Shares Attributable To Redemption Of Units To Common Shares IncrementalCommonSharesAttributableToRedemptionOfUnitsToCommonShares	4182000	shares
CY2022Q3	slg	Incremental Common Shares Attributable To Redemption Of Units To Common Shares IncrementalCommonSharesAttributableToRedemptionOfUnitsToCommonShares	4088000	shares
	slg	Incremental Common Shares Attributable To Redemption Of Units To Common Shares IncrementalCommonSharesAttributableToRedemptionOfUnitsToCommonShares	4104000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	860000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1052000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	122000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68296000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68897000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68274000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69249000	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1402771	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1380364	shares
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	621134	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	517574	shares
CY2023Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	300000	usd
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1000000	usd
CY2022Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	500000	usd
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1400000	usd
CY2023Q3	slg	Other Comprehensive Income Loss Deferred Net Lossfrom Terminated Hedges OtherComprehensiveIncomeLossDeferredNetLossfromTerminatedHedges	-400000	usd
CY2022Q4	slg	Other Comprehensive Income Loss Deferred Net Lossfrom Terminated Hedges OtherComprehensiveIncomeLossDeferredNetLossfromTerminatedHedges	-500000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	9616000	usd
CY2023Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	77921000	usd
CY2023Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	5968000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	11240000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	57660000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	10142000	usd
CY2023Q2	slg	Equity Method Investment Ownership Percentage Deconsolidated EquityMethodInvestmentOwnershipPercentageDeconsolidated	0.501
	us-gaap	Assets Fair Value Adjustment AssetsFairValueAdjustment	17000000	usd
CY2023Q3	us-gaap	Assets Fair Value Adjustment AssetsFairValueAdjustment	17000000	usd
	slg	Accumulated Other Comprehensive Income Loss Gain Loss From Changes In Fair Value AccumulatedOtherComprehensiveIncomeLossGainLossFromChangesInFairValue	-1300000	usd
CY2022Q3	slg	Accumulated Other Comprehensive Income Loss Gain Loss From Changes In Fair Value AccumulatedOtherComprehensiveIncomeLossGainLossFromChangesInFairValue	-1300000	usd
CY2023Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	6600000	usd
CY2023Q3	us-gaap	Assets Needed For Immediate Settlement Aggregate Fair Value AssetsNeededForImmediateSettlementAggregateFairValue	6600000	usd
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	-46800000	usd
	slg	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months Into Equity In Net Income CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsIntoEquityInNetIncome	-13800000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	28837000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	53411000	usd
CY2023Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-16038000	usd
CY2022Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-2923000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	66091000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	106719000	usd
	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-43029000	usd
	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	4659000	usd
CY2023Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	131664000	usd
CY2022Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	142778000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	457454000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	416033000	usd
CY2023Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	19467000	usd
CY2022Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	19990000	usd
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	60211000	usd
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	58283000	usd
CY2023Q3	slg	Operating Lease Lease Income Fixed And Variable Lease Payments OperatingLeaseLeaseIncomeFixedAndVariableLeasePayments	151131000	usd
CY2022Q3	slg	Operating Lease Lease Income Fixed And Variable Lease Payments OperatingLeaseLeaseIncomeFixedAndVariableLeasePayments	162768000	usd
	slg	Operating Lease Lease Income Fixed And Variable Lease Payments OperatingLeaseLeaseIncomeFixedAndVariableLeasePayments	517665000	usd
	slg	Operating Lease Lease Income Fixed And Variable Lease Payments OperatingLeaseLeaseIncomeFixedAndVariableLeasePayments	474316000	usd
CY2023Q3	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-140000	usd
CY2022Q3	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	184000	usd
	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	14313000	usd
	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-101000	usd
CY2023Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	150991000	usd
CY2022Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	162952000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	531978000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	474215000	usd
CY2023Q3	us-gaap	Sublease Income SubleaseIncome	49700000	usd
	us-gaap	Sublease Income SubleaseIncome	147400000	usd
CY2022Q3	us-gaap	Sublease Income SubleaseIncome	55700000	usd
	us-gaap	Sublease Income SubleaseIncome	169900000	usd
CY2023Q3	us-gaap	Sales Type Lease Interest Income SalesTypeLeaseInterestIncome	1113000	usd
CY2022Q3	us-gaap	Sales Type Lease Interest Income SalesTypeLeaseInterestIncome	1099000	usd
	us-gaap	Sales Type Lease Interest Income SalesTypeLeaseInterestIncome	3328000	usd
	us-gaap	Sales Type Lease Interest Income SalesTypeLeaseInterestIncome	3286000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2023Q3	us-gaap	Revenues Revenues	173220000	usd
CY2022Q3	us-gaap	Revenues Revenues	212456000	usd
	us-gaap	Revenues Revenues	617865000	usd
	us-gaap	Revenues Revenues	601865000	usd
CY2023Q3	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	-21694000	usd
CY2022Q3	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	12211000	usd
	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	-439279000	usd
	slg	Income Loss From Continuing Operations Before Realized Gain Loss On Disposal Of Equity Method Investment IncomeLossFromContinuingOperationsBeforeRealizedGainLossOnDisposalOfEquityMethodInvestment	-12253000	usd
CY2023Q3	us-gaap	Assets Assets	9690582000	usd
CY2022Q4	us-gaap	Assets Assets	12355794000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	22900000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	69100000	usd
CY2022Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	21300000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	69600000	usd

Files In Submission

Name	View Source	Status
0001040971-23-000040-index-headers.html	Edgar Link	pending
0001040971-23-000040-index.html	Edgar Link	pending
0001040971-23-000040.txt	Edgar Link	pending
0001040971-23-000040-xbrl.zip	Edgar Link	pending
a23q310qex311.htm	Edgar Link	pending
a23q310qex312.htm	Edgar Link	pending
a23q310qex313.htm	Edgar Link	pending
a23q310qex314.htm	Edgar Link	pending
a23q310qex321.htm	Edgar Link	pending
a23q310qex322.htm	Edgar Link	pending
a23q310qex323.htm	Edgar Link	pending
a23q310qex324.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
slg-20230930.htm	Edgar Link	pending
slg-20230930.xsd	Edgar Link	pending
slg-20230930_def.xml	Edgar Link	unprocessable
slg-20230930_lab.xml	Edgar Link	unprocessable
slg-20230930_pre.xml	Edgar Link	unprocessable
slg-20230930_htm.xml	Edgar Link	completed
FilingSummary.xml	Edgar Link	unprocessable
slg-20230930_cal.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$SLG
SL GREEN REALTY CORP Stock $slg

2023 Q4 Form 10-Q Financial Statement

#000104097123000040 Filed on November 06, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SLG SL GREEN REALTY CORP Stock $slg

2023 Q4 Form 10-Q Financial Statement

#000104097123000040 Filed on November 06, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SLG
SL GREEN REALTY CORP Stock $slg