$BXP
BXP Inc Stock $bxp

$bxp Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000165642324000007 Filed on February 27, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$839.4M	$828.9M	$3.274B
YoY Change	4.51%	4.95%	5.31%
Cost Of Revenue	$324.5M	$313.8M	$1.234B
YoY Change	7.01%	6.68%	7.21%
Gross Profit	$515.0M	$515.1M	$2.040B
YoY Change	4.88%	3.93%	5.71%
Gross Profit Margin	61.35%	62.14%	62.31%
Selling, General & Admin	$50.02M	$38.77M	$170.2M
YoY Change	-10.37%	7.7%	16.25%
% of Gross Profit	9.71%	7.53%	8.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$218.7M	$212.1M	$830.8M
YoY Change	4.78%	6.93%	10.81%
% of Gross Profit	42.47%	41.17%	40.73%
Operating Expenses	$268.7M	$250.8M	$1.001B
YoY Change	1.59%	7.04%	11.7%
Operating Profit	$246.2M	$264.3M	$1.039B
YoY Change	8.73%	1.13%	0.51%
Interest Expense	-$125.5M	-$108.8M	-$743.4M
YoY Change	-193.52%	-36.24%	-270.07%
% of Operating Profit	-50.97%	-41.16%	-71.58%
Other Income/Expense, Net		$0.00	$0.00
YoY Change			-100.0%
Pretax Income	$106.6M	$153.2M	$291.4M
YoY Change	0.92%	-1.65%	-71.45%
Income Tax
% Of Pretax Income
Net Earnings	$79.88M	$119.9M	$190.2M
YoY Change	2.56%	-1.63%	-77.59%
Net Earnings / Revenue	9.52%	14.47%	5.81%
Basic Earnings Per Share	$0.51		$1.21
Diluted Earnings Per Share	$0.51	$0.76	$1.21
COMMON SHARES
Basic Shares Outstanding	157.0M shares	156.9M shares	156.9M shares
Diluted Shares Outstanding	157.1M shares		157.2M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$701.7M	$1.531B	$1.531B
YoY Change	-26.22%	111.94%	121.85%
Cash & Equivalents	$701.7M	$1.531B	$1.531B
Short-Term Investments	$37.18M	$36.34M
Other Short-Term Assets	$146.3M	$64.23M	$64.23M
YoY Change	3.07%	47.35%	47.35%
Inventory
Prepaid Expenses
Receivables	$110.3M	$137.8M	$137.8M
Other Receivables	$1.390B	$1.355B	$1.355B
Total Short-Term Assets	$2.349B	$3.089B	$3.089B
YoY Change	-4.43%	46.75%	46.75%
LONG-TERM ASSETS
Property, Plant & Equipment	$20.77B	$20.59B	$20.59B
YoY Change	6.29%	5.63%	5.63%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$1.437B	$1.414B	$1.414B
YoY Change	-19.48%	-19.14%	-19.14%
Other Assets	$883.4M	$841.5M	$841.5M
YoY Change	15.4%	7.92%	7.92%
Total Long-Term Assets	$23.18B	$22.94B	$22.94B
YoY Change	4.55%	3.78%	3.78%
TOTAL ASSETS
Total Short-Term Assets	$2.349B	$3.089B	$3.089B
Total Long-Term Assets	$23.18B	$22.94B	$22.94B
Total Assets	$25.53B	$26.03B	$26.03B
YoY Change	3.66%	7.51%	7.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$374.7M	$458.3M	$458.3M
YoY Change	-5.81%	9.77%	9.77%
Accrued Expenses	$497.2M	$484.1M	$484.1M
YoY Change	55.96%	56.93%	56.93%
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	$1.044B	$1.114B	$1.114B
YoY Change	17.57%	24.19%	24.19%
LONG-TERM LIABILITIES
Long-Term Debt	$15.78B	$16.27B	$16.27B
YoY Change	5.47%	12.32%	12.32%
Other Long-Term Liabilities	$426.1M	$454.3M	$454.3M
YoY Change	-9.5%	-0.7%	-0.7%
Total Long-Term Liabilities	$16.20B	$16.73B	$16.73B
YoY Change	5.01%	11.92%	11.92%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.044B	$1.114B	$1.114B
Total Long-Term Liabilities	$16.20B	$16.73B	$16.73B
Total Liabilities	$19.67B	$20.15B	$20.15B
YoY Change	20.57%	27.23%	11.48%
SHAREHOLDERS EQUITY
Retained Earnings	-$890.2M	-$816.2M
YoY Change	90.55%	108.54%
Common Stock	$1.570M	$1.569M
YoY Change	0.13%	0.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$2.722M	$2.722M
YoY Change	0.0%	0.0%
Treasury Stock Shares
Shareholders Equity	$5.858B	$5.877B	$5.877B
YoY Change
Total Liabilities & Shareholders Equity	$25.53B	$26.03B	$26.03B
YoY Change	3.66%	7.51%	7.51%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$79.88M	$119.9M	$190.2M
YoY Change	2.56%	-1.63%	-77.59%
Depreciation, Depletion And Amortization	$218.7M	$212.1M	$830.8M
YoY Change	4.78%	6.93%	10.81%
Cash From Operating Activities	$197.6M	$387.1M	$1.302B
YoY Change	-15.56%	4.64%	1.49%
INVESTING ACTIVITIES
Capital Expenditures	$267.1M	$297.6M	$1.021B
YoY Change	18.21%	14.85%	-53.91%
Acquisitions	-$6.086M		$13.16M
YoY Change
Other Investing Activities	-$19.52M	-$20.50M	-$172.2M
YoY Change	-67.27%	-32.68%	-128.07%
Cash From Investing Activities	-$286.6M	-$318.1M	-$1.194B
YoY Change	0.36%	9.85%	-25.53%
FINANCING ACTIVITIES
Cash Dividend Paid	$171.8M		$687.8M
YoY Change	0.31%		0.41%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$756.9M	613.1M	$767.9M
YoY Change	-371.24%	195.47%	38.1%
NET CHANGE
Cash From Operating Activities	$197.6M	387.1M	$1.302B
Cash From Investing Activities	-$286.6M	-318.1M	-$1.194B
Cash From Financing Activities	-$756.9M	613.1M	$767.9M
Net Change In Cash	-$845.9M	682.2M	$875.8M
YoY Change	-471.89%	136.93%	271.63%
FREE CASH FLOW
Cash From Operating Activities	$197.6M	$387.1M	$1.302B
Capital Expenditures	$267.1M	$297.6M	$1.021B
Free Cash Flow	-$69.51M	$89.54M	$280.1M
YoY Change	-963.09%	-19.23%	-129.99%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Entity File Number EntityFileNumber	1-13087
CY2023	dei	Entity Registrant Name EntityRegistrantName	BOSTON PROPERTIES, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2473675
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	Prudential Center, 800 Boylston Street, Suite 1900
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Boston
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	02199-8103
CY2023	dei	City Area Code CityAreaCode	617
CY2023	dei	Local Phone Number LocalPhoneNumber	236-3300
CY2023	dei	Trading Symbol TradingSymbol	BXP
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	834770000	usd
CY2021	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	179887000	usd
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001037540
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Entity Listing Par Value Per Share EntityListingParValuePerShare	0.01
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	157010980	shares
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	42633000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P4Y0M0D
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CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Security12b Title Security12bTitle	Common Stock, par value $.01 per share
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	9012722469	usd
CY2023	dei	Auditor Firm AuditorFirmId	238
CY2023	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2023	dei	Auditor Location AuditorLocation	Boston, Massachusetts
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CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	237510000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	324298000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	167351000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	6881728000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	6298082000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	20593459000	usd
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CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	81090000	usd
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CY2022Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	1276580000	usd
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CY2022Q4	us-gaap	Other Borrowings OtherBorrowings	730000000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	417961000	usd
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CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	204686000	usd
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CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	417545000	usd
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CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	133684000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	103774000	usd
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CY2022Q4	us-gaap	Liabilities Liabilities	15837237000	usd
CY2023Q4	us-gaap	Temporary Equity Shares Subscribed But Unissued TemporaryEquitySharesSubscribedButUnissued	119471	shares
CY2022Q4	us-gaap	Temporary Equity Shares Subscribed But Unissued TemporaryEquitySharesSubscribedButUnissued	97853	shares
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	8383000	usd
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CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	717336000	usd
CY2023	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	0	usd
CY2022	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	10058000	usd
CY2021	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	0	usd
CY2021	us-gaap	Interest And Other Income InterestAndOtherIncome	5704000	usd
CY2023	us-gaap	Other Income OtherIncome	0	usd
CY2022	us-gaap	Other Income OtherIncome	6624000	usd
CY2021	us-gaap	Other Income OtherIncome	0	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	5556000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-6453000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	5626000	usd
CY2023	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	-79000	usd
CY2022	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	0	usd
CY2021	us-gaap	Derivative Net Hedge Ineffectiveness Gain Loss DerivativeNetHedgeIneffectivenessGainLoss	0	usd
CY2023	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	239000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-150000	usd
CY2021	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-45182000	usd
CY2023	us-gaap	Interest Expense InterestExpense	579572000	usd
CY2022	us-gaap	Interest Expense InterestExpense	437139000	usd
CY2021	us-gaap	Interest Expense InterestExpense	423346000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1020584000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	631932000	usd
CY2021	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	70806000	usd
CY2023	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2560000	usd
CY2023	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	0	usd
CY2022	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	0	usd
CY2021	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	6412000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	190215000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	1920581000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	848947000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	496223000	usd
CY2023	bxp	Earnings Per Share After Allocation Of Undistributed Earnings To Participating Securities Basic Dollars Per Share EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare	1.21
CY2022	bxp	Earnings Per Share After Allocation Of Undistributed Earnings To Participating Securities Basic Dollars Per Share EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare	5.41
CY2021	bxp	Earnings Per Share After Allocation Of Undistributed Earnings To Participating Securities Basic Dollars Per Share EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare	3.18
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156863000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156726000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156116000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.21
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.17
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	157201000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	157137000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156376000	shares
CY2023	us-gaap	Profit Loss ProfitLoss	291424000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1020584000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	631932000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	19396000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8544000	usd
CY2021	us-gaap	Amortization Of Deferred Hedge Gains AmortizationOfDeferredHedgeGains	-6704000	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1004000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	71383000	usd
CY2021	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	99689000	usd
CY2021	us-gaap	Proceeds From Repurchase Of Redeemable Preferred Stock ProceedsFromRepurchaseOfRedeemablePreferredStock	-193623000	usd
CY2021	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	6412000	usd
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	18002000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	259764000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8544000	usd
CY2021	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	6704000	usd
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8033228000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	101209000	usd
CY2022	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	usd
CY2022	bxp	Equity Profit Loss EquityProfitLoss	1020584000	usd
CY2022	us-gaap	Dividends Dividends	686126000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1036000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	53663000	usd
CY2022	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	849000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	85518000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	19396000	usd
CY2022	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	6707000	usd
CY2022	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8363819000	usd
CY2023	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	usd
CY2023	bxp	Equity Profit Loss EquityProfitLoss	291424000	usd
CY2023	us-gaap	Dividends Dividends	688342000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1156000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	49060000	usd
CY2023	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	244541000	usd
CY2023	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	69975000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-14405000	usd
CY2023	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	6703000	usd
CY2023	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	usd
CY2023	us-gaap	Profit Loss ProfitLoss	291424000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1020584000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	631932000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	830813000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	749775000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	717336000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1940000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2427000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3516000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	51478000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	52026000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	50860000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-239543000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-59840000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-2570000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	24637000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	26827000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	21542000	usd
CY2023	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	5556000	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-6453000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	5626000	usd
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	373000	usd
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-224000	usd
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1207000	usd
CY2023	us-gaap	Paid In Kind Interest PaidInKindInterest	30523000	usd
CY2022	us-gaap	Paid In Kind Interest PaidInKindInterest	25831000	usd
CY2021	us-gaap	Paid In Kind Interest PaidInKindInterest	23368000	usd
CY2023	us-gaap	Accretion Expense AccretionExpense	0	usd
CY2022	us-gaap	Accretion Expense AccretionExpense	0	usd
CY2021	us-gaap	Accretion Expense AccretionExpense	8500000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-45182000	usd
CY2023	us-gaap	Other Income OtherIncome	0	usd
CY2022	us-gaap	Other Income OtherIncome	6624000	usd
CY2021	us-gaap	Other Income OtherIncome	0	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	517000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	437019000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	123660000	usd
CY2023	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	0	usd
CY2022	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	10058000	usd
CY2021	us-gaap	Sales Type And Direct Financing Leases Profit Loss SalesTypeAndDirectFinancingLeasesProfitLoss	0	usd
CY2023	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	239000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-150000	usd
CY2021	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	31470000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7621000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4820000	usd
CY2023	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	0	usd
CY2022	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	-152000	usd
CY2021	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	-545000	usd
CY2023	us-gaap	Straight Line Rent StraightLineRent	99539000	usd
CY2022	us-gaap	Straight Line Rent StraightLineRent	98075000	usd
CY2021	us-gaap	Straight Line Rent StraightLineRent	101548000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7336000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-20099000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	20811000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Rent IncreaseDecreaseInPrepaidRent	-25640000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Rent IncreaseDecreaseInPrepaidRent	0	usd
CY2021	us-gaap	Increase Decrease In Prepaid Rent IncreaseDecreaseInPrepaidRent	0	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	121000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	-125000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	23599000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	41696000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-22777000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	20025000	usd
CY2023	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	29910000	usd
CY2022	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	8989000	usd
CY2021	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-10839000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	7267000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-24120000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-28739000	usd
CY2023	us-gaap	Lease Cost LeaseCost	77666000	usd
CY2022	us-gaap	Lease Cost LeaseCost	84057000	usd
CY2021	us-gaap	Lease Cost LeaseCost	62850000	usd
CY2023	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	1010096000	usd
CY2022	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	261815000	usd
CY2021	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	501295000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1301520000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1282399000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1133227000	usd
CY2023	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	usd
CY2022	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	1320273000	usd
CY2021	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	222260000	usd
CY2023	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	525963000	usd
CY2022	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	500273000	usd
CY2021	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	513878000	usd
CY2023	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	171424000	usd
CY2022	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	177004000	usd
CY2021	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	150998000	usd
CY2023	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	310925000	usd
CY2022	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	218685000	usd
CY2021	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	263952000	usd
CY2023	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	517000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	13155000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2023	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	usd
CY2022	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	6624000	usd
CY2021	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	192650000	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	277581000	usd
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	98152000	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	32787000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	37122000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	122000	usd
CY2023	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2022	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	17789000	usd
CY2021	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	usd
CY2022	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	0	usd
CY2021	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	0	usd
CY2023	us-gaap	Proceeds From Mortgage Deposits ProceedsFromMortgageDeposits	0	usd
CY2022	us-gaap	Proceeds From Mortgage Deposits ProceedsFromMortgageDeposits	10000000	usd
CY2021	us-gaap	Proceeds From Mortgage Deposits ProceedsFromMortgageDeposits	10035000	usd
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-1496000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-4902000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-1451000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1193681000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1602802000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1039956000	usd
CY2023	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	600000000	usd
CY2022	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	0	usd
CY2021	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	1201388000	usd
CY2023	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	832296000	usd
CY2023	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	747727000	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	749557000	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	1695996000	usd
CY2023	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	500000000	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	1841500000	usd
CY2023	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	usd
CY2022	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	2404000	usd
CY2023	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	12177000	usd
CY2022	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	985000000	usd
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	770000000	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1130000000	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	625000000	usd
CY2023	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1200000000	usd
CY2022	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	730000000	usd
CY2021	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	usd
CY2023	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2022	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	200000000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1250000	usd
CY2023	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	-730000000	usd
CY2022	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	usd
CY2021	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	-500000000	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	19416000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	8460000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	20757000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	16186000	usd
CY2023	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	43036000	usd
CY2023	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	367000	usd
CY2022	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	-352000	usd
CY2021	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	24214000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	687809000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	685019000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	683753000	usd
CY2023	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	69975000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	85518000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	259764000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	767916000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	556057000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1311442000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	875755000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	235654000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1218171000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	736812000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	501158000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1719329000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1612567000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	736812000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	501158000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	690333000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	452692000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1668742000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	46479000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	48466000	usd
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	50587000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1531477000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	690333000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	452692000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	81090000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	46479000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	48466000	usd
CY2023	us-gaap	Interest Paid InterestPaid	553989000	usd
CY2022	us-gaap	Interest Paid InterestPaid	449903000	usd
CY2021	us-gaap	Interest Paid InterestPaid	465442000	usd
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	42633000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	52130000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	53097000	usd
CY2023	bxp	Writeoffoffullydepreciatedrealestate Writeoffoffullydepreciatedrealestate	135093000	usd
CY2022	bxp	Writeoffoffullydepreciatedrealestate Writeoffoffullydepreciatedrealestate	119534000	usd
CY2021	bxp	Writeoffoffullydepreciatedrealestate Writeoffoffullydepreciatedrealestate	239317000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3668000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	97586000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	-25183000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	141179000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	26887000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	163056000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2023	us-gaap	Contribution Of Property ContributionOfProperty	17519000	usd
CY2022	us-gaap	Contribution Of Property ContributionOfProperty	0	usd
CY2021	us-gaap	Contribution Of Property ContributionOfProperty	0	usd
CY2023	bxp	Capitalized Operating Lease Costs CapitalizedOperatingLeaseCosts	12580000	usd
CY2022	bxp	Capitalized Operating Lease Costs CapitalizedOperatingLeaseCosts	0	usd
CY2021	bxp	Capitalized Operating Lease Costs CapitalizedOperatingLeaseCosts	0	usd
CY2023	bxp	Construction In Progress From Prepaid Expenses And Other Assets ConstructionInProgressFromPrepaidExpensesAndOtherAssets	25577000	usd
CY2022	bxp	Construction In Progress From Prepaid Expenses And Other Assets ConstructionInProgressFromPrepaidExpensesAndOtherAssets	0	usd
CY2021	bxp	Construction In Progress From Prepaid Expenses And Other Assets ConstructionInProgressFromPrepaidExpensesAndOtherAssets	0	usd
CY2023	bxp	Investment In Unconsolidated Joint Ventures Eliminated Upon Consolidation InvestmentInUnconsolidatedJointVenturesEliminatedUponConsolidation	183817000	usd
CY2022	bxp	Investment In Unconsolidated Joint Ventures Eliminated Upon Consolidation InvestmentInUnconsolidatedJointVenturesEliminatedUponConsolidation	0	usd
CY2021	bxp	Investment In Unconsolidated Joint Ventures Eliminated Upon Consolidation InvestmentInUnconsolidatedJointVenturesEliminatedUponConsolidation	0	usd
CY2023	us-gaap	Loans Assumed1 LoansAssumed1	300000000	usd
CY2022	us-gaap	Loans Assumed1 LoansAssumed1	0	usd
CY2021	us-gaap	Loans Assumed1 LoansAssumed1	0	usd
CY2023	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	-490720000	usd
CY2022	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	usd
CY2021	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	usd
CY2023	bxp	Interest Rate Swaps Recorded Upon Consolidation InterestRateSwapsRecordedUponConsolidation	-7337000	usd
CY2022	bxp	Interest Rate Swaps Recorded Upon Consolidation InterestRateSwapsRecordedUponConsolidation	0	usd
CY2021	bxp	Interest Rate Swaps Recorded Upon Consolidation InterestRateSwapsRecordedUponConsolidation	0	usd
CY2023	bxp	Construction In Progress Net Deconsolidated ConstructionInProgressNetDeconsolidated	0	usd
CY2022	bxp	Construction In Progress Net Deconsolidated ConstructionInProgressNetDeconsolidated	-11316000	usd
CY2021	bxp	Construction In Progress Net Deconsolidated ConstructionInProgressNetDeconsolidated	-299947000	usd
CY2023	us-gaap	Transfer To Investments TransferToInvestments	0	usd
CY2022	us-gaap	Transfer To Investments TransferToInvestments	11316000	usd
CY2021	us-gaap	Transfer To Investments TransferToInvestments	107132000	usd
CY2023	bxp	Sales Type Lease Origination SalesTypeLeaseOrigination	0	usd
CY2022	bxp	Sales Type Lease Origination SalesTypeLeaseOrigination	13045000	usd
CY2021	bxp	Sales Type Lease Origination SalesTypeLeaseOrigination	0	usd
CY2023	bxp	Derecognition Of Assets In Exchange For Sales Type Lease Obligation DerecognitionOfAssetsInExchangeForSalesTypeLeaseObligation	0	usd
CY2022	bxp	Derecognition Of Assets In Exchange For Sales Type Lease Obligation DerecognitionOfAssetsInExchangeForSalesTypeLeaseObligation	-2987000	usd
CY2021	bxp	Derecognition Of Assets In Exchange For Sales Type Lease Obligation DerecognitionOfAssetsInExchangeForSalesTypeLeaseObligation	0	usd
CY2023	bxp	Prepaid Expenses And Other Assets Net Deconsolidated PrepaidExpensesAndOtherAssetsNetDeconsolidated	0	usd
CY2022	bxp	Prepaid Expenses And Other Assets Net Deconsolidated PrepaidExpensesAndOtherAssetsNetDeconsolidated	0	usd
CY2021	bxp	Prepaid Expenses And Other Assets Net Deconsolidated PrepaidExpensesAndOtherAssetsNetDeconsolidated	-5011000	usd
CY2023	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	200311000	usd
CY2023	bxp	Mortgage Notes Payable Deconsolidated MortgageNotesPayableDeconsolidated	0	usd
CY2022	bxp	Mortgage Notes Payable Deconsolidated MortgageNotesPayableDeconsolidated	0	usd
CY2021	bxp	Mortgage Notes Payable Deconsolidated MortgageNotesPayableDeconsolidated	-198381000	usd
CY2023	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	usd
CY2022	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	usd
CY2021	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	99689000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	171176000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	170643000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	169859000	usd
CY2023	bxp	Conversions Of Noncontrolling Interests To Stockholders Equity ConversionsOfNoncontrollingInterestsToStockholdersEquity	3794000	usd
CY2022	bxp	Conversions Of Noncontrolling Interests To Stockholders Equity ConversionsOfNoncontrollingInterestsToStockholdersEquity	6539000	usd
CY2021	bxp	Conversions Of Noncontrolling Interests To Stockholders Equity ConversionsOfNoncontrollingInterestsToStockholdersEquity	18386000	usd
CY2023	bxp	Issuance Of Restricted Securities To Employees And Directors IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors	48141000	usd
CY2022	bxp	Issuance Of Restricted Securities To Employees And Directors IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors	48417000	usd
CY2021	bxp	Issuance Of Restricted Securities To Employees And Directors IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors	44405000	usd
CY2023Q4	bxp	Restriction On Redemption Of Op Units From Date Of Issuance In Years RestrictionOnRedemptionOfOpUnitsFromDateOfIssuanceInYears	1	y
CY2023Q4	bxp	Op Unit Conversion Rate OpUnitConversionRate	1	shares
CY2023Q4	bxp	Common Stock Conversion Rate CommonStockConversionRate	1	shares
CY2023Q4	bxp	Op Unit Conversion Rate OpUnitConversionRate	1	shares
CY2023Q4	bxp	Numberof Vi Es NumberofVIEs	8
CY2023Q4	bxp	Numberof Vi Es NumberofVIEs	8
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	42600000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	52100000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	53100000	usd
CY2023	bxp	Salaries And Related Costs Capitalized SalariesAndRelatedCostsCapitalized	16100000	usd
CY2022	bxp	Salaries And Related Costs Capitalized SalariesAndRelatedCostsCapitalized	16100000	usd
CY2021	bxp	Salaries And Related Costs Capitalized SalariesAndRelatedCostsCapitalized	13700000	usd
CY2023Q4	bxp	Cash Fdic Insured Limit CashFDICInsuredLimit	250000	usd
CY2023Q4	bxp	Separate Unrestricted Cash For Deferred Compensation Plan SeparateUnrestrictedCashForDeferredCompensationPlan	36100000	usd
CY2022Q4	bxp	Separate Unrestricted Cash For Deferred Compensation Plan SeparateUnrestrictedCashForDeferredCompensationPlan	32300000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	5600000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-6500000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	5600000	usd
CY2023	bxp	Accounts Receivable Collection Period Expected AccountsReceivableCollectionPeriodExpected	1
CY2023	us-gaap	Straight Line Rent Adjustments StraightLineRentAdjustments	99100000	usd
CY2022	us-gaap	Straight Line Rent Adjustments StraightLineRentAdjustments	108000000	usd
CY2021	us-gaap	Straight Line Rent Adjustments StraightLineRentAdjustments	104300000	usd
CY2023	bxp	Above And Below Market Rent Adjustments AboveAndBelowMarketRentAdjustments	19200000	usd
CY2022	bxp	Above And Below Market Rent Adjustments AboveAndBelowMarketRentAdjustments	9100000	usd
CY2021	bxp	Above And Below Market Rent Adjustments AboveAndBelowMarketRentAdjustments	4200000	usd
CY2021	us-gaap	Lessee Operating Lease Variable Lease Payment Terms And Conditions LesseeOperatingLeaseVariableLeasePaymentTermsAndConditions	no ground leases were subject to variable payments
CY2022	us-gaap	Lessee Operating Lease Variable Lease Payment Terms And Conditions LesseeOperatingLeaseVariableLeasePaymentTermsAndConditions	no ground leases were subject to variable payments
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:14pt;text-indent:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates in the Preparation of Financial Statements</span></div><div style="margin-top:5pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Arial',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 of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. These estimates include such items as depreciation and allowances for doubtful accounts. Actual results could differ from those estimates.</span></div><div style="margin-top:9pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company bases its estimates on historical experience and on various other assumptions that it considers to be reasonable under the circumstances, including the impact of extraordinary events such as a pandemic, the results of which form the basis for making significant judgments about the carrying values of assets and liabilities, </span></div><div style="margin-top:9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">assessments of future collectability, and other areas of the financial statements that are impacted by the use of estimates. Actual results may differ from these estimates under different assumptions or conditions.</span></div>
CY2023	bxp	Dividends Treatment For Federal Tax Purposes DividendsTreatmentForFederalTaxPurposes	4.16
CY2023	bxp	Dividends Treatment For Federal Tax Purposes Percentage DividendsTreatmentForFederalTaxPurposesPercentage	1.0000
CY2022	bxp	Dividends Treatment For Federal Tax Purposes DividendsTreatmentForFederalTaxPurposes	3.95
CY2022	bxp	Dividends Treatment For Federal Tax Purposes Percentage DividendsTreatmentForFederalTaxPurposesPercentage	1.0000
CY2021	bxp	Dividends Treatment For Federal Tax Purposes DividendsTreatmentForFederalTaxPurposes	3.92
CY2021	bxp	Dividends Treatment For Federal Tax Purposes Percentage DividendsTreatmentForFederalTaxPurposesPercentage	1.0000
CY2023	bxp	Reit Distribution Requirement REITDistributionRequirement	0.90
CY2023	bxp	Companys Taxable Income Distribution CompanysTaxableIncomeDistribution	1
CY2023Q4	us-gaap	Land Land	5251224000	usd
CY2022Q4	us-gaap	Land Land	5189811000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	401680000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	237510000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	324298000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	167351000	usd
CY2023Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	697061000	usd
CY2022Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	721501000	usd
CY2023Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	16607756000	usd
CY2022Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	15820724000	usd
CY2023Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	3592172000	usd
CY2022Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	3200743000	usd
CY2023Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	53716000	usd
CY2022Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	50310000	usd
CY2023Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	547280000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	406574000	usd
CY2023Q4	bxp	Real Estate Investment Property At Cost Including Rightof Use Assets RealEstateInvestmentPropertyAtCostIncludingRightofUseAssets	27475187000	usd
CY2022Q4	bxp	Real Estate Investment Property At Cost Including Rightof Use Assets RealEstateInvestmentPropertyAtCostIncludingRightofUseAssets	25794524000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	6881728000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	6298082000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	20593459000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	19496442000	usd
CY2023	us-gaap	Lessee Operating Lease Option To Terminate LesseeOperatingLeaseOptionToTerminate	one cancelable and four non-cancelable ground lease obligations
CY2022	us-gaap	Lessee Operating Lease Option To Terminate LesseeOperatingLeaseOptionToTerminate	four non-cancelable
CY2021	us-gaap	Lessee Operating Lease Option To Terminate LesseeOperatingLeaseOptionToTerminate	four non-cancelable
CY2022	us-gaap	Lessee Operating Lease Option To Extend LesseeOperatingLeaseOptionToExtend	no ground leases were subject to variable payments and extension options
CY2021	us-gaap	Lessee Operating Lease Option To Extend LesseeOperatingLeaseOptionToExtend	no ground leases were subject to variable payments and extension options
CY2023Q4	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	5
CY2022Q4	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	4
CY2021Q4	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	4
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	14451000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	12700000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	13151000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2821000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	697000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	547000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	13747000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3236000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2471000	usd
CY2023Q4	bxp	Operating Leases Under Development OperatingLeasesUnderDevelopment	1
CY2023Q4	bxp	Finance Leases Under Development FinanceLeasesUnderDevelopment	1
CY2022Q4	bxp	Finance Leases Under Development FinanceLeasesUnderDevelopment	1
CY2021Q4	bxp	Finance Leases Under Development FinanceLeasesUnderDevelopment	2
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P70Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P49Y
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P60Y
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P68Y
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.066
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.061
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.062
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	29989000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	70370000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	35733000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	32232000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10100000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	31972000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	9885000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	32170000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	14637000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	118232000	usd
CY2023Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3546537000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	1342174000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	3646881000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1627150000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3296490000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	1209189000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	350391000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	417961000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	22415000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	9306000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	22274000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	49343000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10308000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	9971000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	10100000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	10166000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9885000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	10364000	usd
CY2022Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	528915000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	1352647000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	603897000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1441797000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	399211000	usd
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	1192462000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	204686000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	249335000	usd
CY2023	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	2503106000	usd
CY2022	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	2426007000	usd
CY2021	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	2319362000	usd
CY2023	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	550641000	usd
CY2022	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	492361000	usd
CY2021	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	433652000	usd
CY2023	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	926000	usd
CY2022	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	0	usd
CY2021	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	0	usd
CY2023	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	3054673000	usd
CY2022	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	2918368000	usd
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	2753014000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	2420047000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	2444826000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	2379371000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	2281437000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	2140919000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	15592965000	usd
CY2022	bxp	Number Of Tenants Above Concentration Amount NumberOfTenantsAboveConcentrationAmount	0
CY2021	bxp	Number Of Tenants Above Concentration Amount NumberOfTenantsAboveConcentrationAmount	0
CY2023	bxp	Number Of Tenants Above Concentration Amount NumberOfTenantsAboveConcentrationAmount	0
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	103641	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2023	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	102699	shares
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	31000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	124000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	372000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	756000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	775000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	267474000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	269532000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	255579000	usd
CY2023Q4	us-gaap	Sales Type Lease Lease Receivable SalesTypeLeaseLeaseReceivable	13953000	usd
CY2023Q4	us-gaap	Sales Type Lease Unguaranteed Residual Asset SalesTypeLeaseUnguaranteedResidualAsset	18000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss	-267000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss Current SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLossCurrent	13704000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	0	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	31000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	124000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	372000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	756000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	268249000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	269532000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	256504000	usd
CY2022Q4	us-gaap	Sales Type Lease Lease Receivable SalesTypeLeaseLeaseReceivable	13028000	usd
CY2022Q4	us-gaap	Sales Type Lease Unguaranteed Residual Asset SalesTypeLeaseUnguaranteedResidualAsset	17000	usd
CY2022Q4	us-gaap	Sales Type Lease Net Investment In Lease Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss	-234000	usd
CY2022Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss Current SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLossCurrent	12811000	usd
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	156940866	shares
CY2023Q4	us-gaap	General Partners Capital Account Units Outstanding GeneralPartnersCapitalAccountUnitsOutstanding	1755150	shares
CY2023Q4	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	155185716	shares
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2023Q4	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	1168940000	usd
CY2022Q4	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	1095231000	usd
CY2023Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	20600000	usd
CY2022Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	19311000	usd
CY2023Q4	bxp	Deferred Costs Gross DeferredCostsGross	1189540000	usd
CY2022Q4	bxp	Deferred Costs Gross DeferredCostsGross	1114542000	usd
CY2023Q4	bxp	Accumulated Amortization Leasing And Financing Costs AccumulatedAmortizationLeasingAndFinancingCosts	429119000	usd
CY2022Q4	bxp	Accumulated Amortization Leasing And Financing Costs AccumulatedAmortizationLeasingAndFinancingCosts	381260000	usd
CY2023Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	760421000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	733282000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	52489000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	40739000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	27095000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	20823000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	11113000	usd
CY2023Q4	bxp	Investments In Affiliates Subsidiaries Associates And Joint Venturesnet InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesnet	1337416000	usd
CY2022Q4	bxp	Investments In Affiliates Subsidiaries Associates And Joint Venturesnet InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesnet	1630485000	usd
CY2023	bxp	Schedule Of Statements Of Operations Of Unconsolidated Joint Ventures Text Bock ScheduleOfStatementsOfOperationsOfUnconsolidatedJointVenturesTextBock	<div style="margin-top:20pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The combined summarized statements of operations of the Company’s unconsolidated joint ventures are as follows:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:57.671%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.180%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.180%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.185%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2023</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2022</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2021</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total revenue (1)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">612,589 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">512,078 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">383,649 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Expenses</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Operating</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">239,947 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">198,632 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">158,498 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Transaction costs</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">301 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">837 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">470 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Depreciation and amortization</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">197,228 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">181,041 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">147,121 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total expenses</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">437,476 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">380,510 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">306,089 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other income (expense)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Loss from early extinguishment of debt</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(1,327)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Interest expense</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(227,537)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(154,065)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(108,884)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Unrealized gain (loss) on derivative instruments</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(6,582)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,681 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gain on sales-type lease</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,737 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 37pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net loss</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(56,272)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(22,143)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(31,324)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Company’s share of net loss</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(19,599)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,551)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,254)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gain on sale of investment (2)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,257 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gain on investment (3)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">35,756 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gain (loss) on sale / consolidation (3)(4)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,412 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Impairment losses on investments (5)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(272,603)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(50,705)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Basis differential (6)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(11,509)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(6,584)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,573)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Loss from unconsolidated joint ventures</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(239,543)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(59,840)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,570)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">_______________ </span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">Includes straight-line rent adjustments of approximately $28.7 million, $62.9 million and $17.2 million for the years ended December 31, 2023, 2022 and 2021, respectively. </span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(2)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">During the year ended December 31, 2021, the Company completed the sale of its 50% ownership interest in Annapolis Junction NFM LLC. The Company recognized a gain on sale of investment of approximately $10.3 million. </span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(3)</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">During the year ended </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">December 31, 2023</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, the Company completed a restructuring of its ownership in Metropolitan Square, as described below in this Note </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">6</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(4)</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">During the year ended </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">December 31, 2023, the Company acquired its joint venture partner’s 45% ownership interest in Santa Monica Business Park, as described below in this Note 6. </span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(5)</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">During the year ended </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">December 31, 2023</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, the Company recognized an other-than-temporary impairment loss on its investments in Platform 16, 360 Park Avenue South, 200 Fifth Avenue and Safeco Plaza of approximately $155.2 million, $54.0 million, $33.4 million and $29.9 million, respectively, as described below in this Note </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">6</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the year ended December 31, 2022, the Company recognized an other-than-temporary impairment loss on its investment in the unconsolidated joint venture that owns Dock 72 in Brooklyn, New York totaling approximately $50.7 million.</span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(6)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:7.02pt">Includes straight-line rent adjustments of approximately $1.5 million, $0.5 million and $0.8 million for the years ended December 31, 2023, 2022 and 2020, respectively. Also includes net above-/below-market rent adjustments of approximately $0.8 million, $0.4 million and $0.4 million for the years ended December 31, 2023, 2022 and 2021, respectively.</span></div>
CY2022	us-gaap	Debt Instrument Collateral DebtInstrumentCollateral	each collateralized by one or more buildings and related land included in real estate assets
CY2023	us-gaap	Debt Instrument Collateral DebtInstrumentCollateral	each collateralized by one or more buildings and related land included in real estate assets
CY2022Q4	bxp	Number Of Variable Mortgage Loans NumberOfVariableMortgageLoans	0
CY2023Q4	bxp	Number Of Variable Mortgage Loans NumberOfVariableMortgageLoans	0
CY2021Q2	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2026-06-15
CY2021Q2	bxp	Line Of Credit Facility Interest Rate Reduction LineOfCreditFacilityInterestRateReduction	0.0001
CY2021Q2	bxp	Line Of Credit Facility Maximum Percent For Loan Advances LineOfCreditFacilityMaximumPercentForLoanAdvances	0.65
CY2023Q4	bxp	Debt Instrument Alternate Basis Spread On Variable Rate DebtInstrumentAlternateBasisSpreadOnVariableRate	0
CY2023	us-gaap	Fair Value Net Derivative Asset Liability Recurring Basis Still Held Unrealized Gain Loss Oci FairValueNetDerivativeAssetLiabilityRecurringBasisStillHeldUnrealizedGainLossOci	-14405000	usd
CY2022	us-gaap	Fair Value Net Derivative Asset Liability Recurring Basis Still Held Unrealized Gain Loss Oci FairValueNetDerivativeAssetLiabilityRecurringBasisStillHeldUnrealizedGainLossOci	19396000	usd
CY2021	us-gaap	Fair Value Net Derivative Asset Liability Recurring Basis Still Held Unrealized Gain Loss Oci FairValueNetDerivativeAssetLiabilityRecurringBasisStillHeldUnrealizedGainLossOci	8544000	usd
CY2023	us-gaap	Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6703000	usd
CY2022	us-gaap	Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6707000	usd
CY2021	us-gaap	Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6704000	usd
CY2023	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	usd
CY2022	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	usd
CY2021	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	usd
CY2023	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-79000	usd
CY2023Q4	bxp	Letter Of Credit And Performance Obligation LetterOfCreditAndPerformanceObligation	21600000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	1500000	usd
CY2023Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	31000000	usd
CY2023Q4	bxp	Insurance Policy Limit InsurancePolicyLimit	1000000000	usd
CY2023Q4	bxp	Insurance Policy Limit InsurancePolicyLimit	1000000000	usd
CY2023	bxp	Per Occurrence Limit For Nbcr Coverage PerOccurrenceLimitForNbcrCoverage	1000000000	usd
CY2023Q4	bxp	Program Trigger Value ProgramTriggerValue	200000000	usd
CY2023	bxp	Program Trigger Coinsurance ProgramTriggerCoinsurance	0.20
CY2023	bxp	Programtriggerdeductible Programtriggerdeductible	0.20
CY2023	bxp	Per Occurrence Limit Of Earth Quake Insurance San Franciscoand Los Angeles PerOccurrenceLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles	330000000	usd
CY2023	bxp	Annual Aggregate Limit Of Earth Quake Insurance San Franciscoand Los Angeles AnnualAggregateLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles	330000000	usd
CY2023	bxp	Amount Of Earthquake Insurance Provided By Ixpllc As Direct Insurer San Franciscoand Los Angeles AmountOfEarthquakeInsuranceProvidedByIXPLLCAsDirectInsurerSanFranciscoandLosAngeles	30000000	usd
CY2023	bxp	Earthquake Deductible Insurance Percentage Of Value Of The Affected Property San Franciscoand Los Angeles EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySanFranciscoandLosAngeles	0.05
CY2023	bxp	Per Occurrence Limit Of Earthquake Insurance Seattle PerOccurrenceLimitOfEarthquakeInsuranceSeattle	110000000	usd
CY2023	bxp	Annual Aggregate Limit Of Earthquake Insurance Seattle AnnualAggregateLimitOfEarthquakeInsuranceSeattle	110000000	usd
CY2023	bxp	Earthquake Deductible Insurance Percentage Of Value Of The Affected Property Seattle EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySeattle	0.02
CY2023Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	1600000000	usd
CY2022Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	1500000000	usd
CY2022	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	182929	shares
CY2023Q4	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.98
CY2023Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2023Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2023Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2022Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2022Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.98
CY2023	bxp	Rental Revenue Class Office RentalRevenueClassOffice	3119999000	usd
CY2023	bxp	Rental Revenue Residential RentalRevenueResidential	47592000	usd
CY2023	bxp	Rental Revenue Total RentalRevenueTotal	3214948000	usd
CY2023	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
CY2023	bxp	Rental Expenses Class Office RentalExpensesClassOffice	1160697000	usd
CY2023	bxp	Rental Expenses Residential RentalExpensesResidential	23250000	usd
CY2023	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	1216172000	usd
CY2023	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
CY2023	us-gaap	Gross Profit GrossProfit	1998776000	usd
CY2023	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
CY2023	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
CY2022	bxp	Rental Revenue Class Office RentalRevenueClassOffice	2968412000	usd
CY2022	bxp	Rental Revenue Residential RentalRevenueResidential	57181000	usd
CY2022	bxp	Rental Revenue Total RentalRevenueTotal	3065075000	usd
CY2022	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
CY2022	bxp	Rental Expenses Class Office RentalExpensesClassOffice	1078487000	usd
CY2022	bxp	Rental Expenses Residential RentalExpensesResidential	29583000	usd
CY2022	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	1135548000	usd
CY2022	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
CY2022	us-gaap	Gross Profit GrossProfit	1929527000	usd
CY2022	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
CY2022	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
CY2021	bxp	Rental Revenue Class Office RentalRevenueClassOffice	2792160000	usd
CY2021	bxp	Rental Revenue Residential RentalRevenueResidential	42668000	usd
CY2021	bxp	Rental Revenue Total RentalRevenueTotal	2848437000	usd
CY2021	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
CY2021	bxp	Rental Expenses Class Office RentalExpensesClassOffice	996707000	usd
CY2021	bxp	Rental Expenses Residential RentalExpensesResidential	24444000	usd
CY2021	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	1034149000	usd
CY2021	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
CY2021	us-gaap	Gross Profit GrossProfit	1814288000	usd
CY2021	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
CY2021	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	190215000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156863000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.21
CY2023	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	usd
CY2023	bxp	Allocationofundistributedearningstoparticipatingsecuritiesinshares Allocationofundistributedearningstoparticipatingsecuritiesinshares	0	shares
CY2023	bxp	Allocationofundistributedearningstoparticipatingsecuritiespershares Allocationofundistributedearningstoparticipatingsecuritiespershares	0
CY2023	bxp	Net Income Loss Available To Common Stockholders After Allocationof Undistributed Earningsto Participating Securities Basic NetIncomeLossAvailableToCommonStockholdersAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasic	190215000	usd
CY2023	bxp	Weighted Average Number Of Shares Outstanding After Allocationof Undistributed Earningsto Participating Securities Basicinshares WeightedAverageNumberOfSharesOutstandingAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasicinshares	156863000	shares
CY2023	bxp	Earnings Per Share After Allocation Of Undistributed Earnings To Participating Securities Basic Dollars Per Share EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare	1.21
CY2023	us-gaap	Dilutive Securities DilutiveSecurities	0	usd
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	338000	shares
CY2023	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	0
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	190215000	usd
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	157201000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.21
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	848947000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156726000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.42
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CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	848056000	usd
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CY2021	bxp	Net Income Loss Available To Common Stockholders After Allocationof Undistributed Earningsto Participating Securities Basic NetIncomeLossAvailableToCommonStockholdersAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasic	496223000	usd
CY2021	bxp	Weighted Average Number Of Shares Outstanding After Allocationof Undistributed Earningsto Participating Securities Basicinshares WeightedAverageNumberOfSharesOutstandingAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasicinshares	156116000	shares
CY2021	bxp	Earnings Per Share After Allocation Of Undistributed Earnings To Participating Securities Basic Dollars Per Share EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare	3.18
CY2021	us-gaap	Dilutive Securities DilutiveSecurities	0	usd
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	260000	shares
CY2021	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	-0.01
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	496223000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156376000	shares
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CY2023	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	2
CY2023	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.03
CY2023	bxp	Defined Contribution Plan Employer Matching Contribution Eligible Earnings Limit By Irs Amount DefinedContributionPlanEmployerMatchingContributionEligibleEarningsLimitByIRSAmount	330000	usd
CY2022	bxp	Defined Contribution Plan Employer Matching Contribution Eligible Earnings Limit By Irs Amount DefinedContributionPlanEmployerMatchingContributionEligibleEarningsLimitByIRSAmount	305000	usd
CY2021	bxp	Defined Contribution Plan Employer Matching Contribution Eligible Earnings Limit By Irs Amount DefinedContributionPlanEmployerMatchingContributionEligibleEarningsLimitByIRSAmount	290000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	5400000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4800000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4700000	usd
CY2023Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	35300000	usd
CY2022Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	31700000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	50200000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	50200000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	50700000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	49700000	usd
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	351561	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	96.97
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CY2021Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	96.95
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	103641	shares
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CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	97.01
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CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	103641	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	103641	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	97.01
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	97.01
CY2023	bxp	Number Of Non Employee Directors Electing To Receive Deferred Stock Units NumberOfNonEmployeeDirectorsElectingToReceiveDeferredStockUnits	8	nonemployeedirectors
CY2023	us-gaap	Proceeds From Secured Notes Payable ProceedsFromSecuredNotesPayable	600000000	usd
CY2023Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	4166379000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	5637035000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	15478086000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	6306350000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	5953798000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	20223332000	usd
CY2023Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	697061000	usd
CY2023Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	547280000	usd
CY2023Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	27421471000	usd
CY2023Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	6841404000	usd
CY2023Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	53716000	usd
CY2023Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	25200000000	usd
CY2023Q4	bxp	Real Estate Aggregate Accumulated Depreciation For Tax Purposes RealEstateAggregateAccumulatedDepreciationForTaxPurposes	5900000000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	-33600000	usd
CY2022Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	25744214000	usd
CY2021Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	24108220000	usd
CY2020Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	23303303000	usd
CY2023	bxp	Real Estate Improvements Excluding Furniture Fixtures And Equipment RealEstateImprovementsExcludingFurnitureFixturesAndEquipment	1811036000	usd
CY2022	bxp	Real Estate Improvements Excluding Furniture Fixtures And Equipment RealEstateImprovementsExcludingFurnitureFixturesAndEquipment	2228000000	usd
CY2021	bxp	Real Estate Improvements Excluding Furniture Fixtures And Equipment RealEstateImprovementsExcludingFurnitureFixturesAndEquipment	1145084000	usd
CY2023	bxp	Real Estate Cost Of Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateCostOfRealEstateSoldExcludingFurnitureFixturesAndEquipment	-133779000	usd
CY2022	bxp	Real Estate Cost Of Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateCostOfRealEstateSoldExcludingFurnitureFixturesAndEquipment	-592006000	usd
CY2021	bxp	Real Estate Cost Of Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateCostOfRealEstateSoldExcludingFurnitureFixturesAndEquipment	-340167000	usd
CY2023Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	27421471000	usd
CY2022Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	25744214000	usd
CY2021Q4	bxp	Real Estate Gross At Carrying Value Excluding Furniture Fixtures And Equipment RealEstateGrossAtCarryingValueExcludingFurnitureFixturesAndEquipment	24108220000	usd
CY2022Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	6260992000	usd
CY2021Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	5848183000	usd
CY2020Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	5501637000	usd
CY2023	bxp	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense Excluding Furniture Fixtures And Equipment SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpenseExcludingFurnitureFixturesAndEquipment	714191000	usd
CY2022	bxp	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense Excluding Furniture Fixtures And Equipment SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpenseExcludingFurnitureFixturesAndEquipment	646020000	usd
CY2021	bxp	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense Excluding Furniture Fixtures And Equipment SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpenseExcludingFurnitureFixturesAndEquipment	623854000	usd
CY2023	bxp	Real Estate Accumulated Depreciation Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationRealEstateSoldExcludingFurnitureFixturesAndEquipment	-133779000	usd
CY2022	bxp	Real Estate Accumulated Depreciation Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationRealEstateSoldExcludingFurnitureFixturesAndEquipment	-233211000	usd
CY2021	bxp	Real Estate Accumulated Depreciation Real Estate Sold Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationRealEstateSoldExcludingFurnitureFixturesAndEquipment	-277308000	usd
CY2023Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	6841404000	usd
CY2022Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	6260992000	usd
CY2021Q4	bxp	Real Estate Accumulated Depreciation Excluding Furniture Fixtures And Equipment RealEstateAccumulatedDepreciationExcludingFurnitureFixturesAndEquipment	5848183000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	157010980	shares
CY2023	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4313000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-274000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	3156000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	182787000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	871894000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	518423000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8339612000	usd
CY2021	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	usd
CY2021	bxp	Equity Profit Loss EquityProfitLoss	631932000	usd
CY2021	us-gaap	Dividends Dividends	683843000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8183981000	usd
CY2023	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	2187000	usd

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$BXP
BXP Inc Stock $bxp

2024 Q1 Form 10-K Financial Statement

#000165642324000007 Filed on February 27, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BXP BXP Inc Stock $bxp

2024 Q1 Form 10-K Financial Statement

#000165642324000007 Filed on February 27, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BXP
BXP Inc Stock $bxp