$BXP
BXP Inc Stock $bxp

$bxp Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000165642319000033 Filed on November 08, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q3
Revenue	$757.5M	$743.6M	$686.3M
YoY Change	7.42%	8.34%	4.34%
Cost Of Revenue	$279.4M	$276.8M	$259.3M
YoY Change	6.03%	6.75%	5.49%
Gross Profit	$478.1M	$456.5M	$411.7M
YoY Change	8.24%	10.88%	-0.05%
Gross Profit Margin	63.12%	61.39%	59.99%
Selling, General & Admin	$32.80M	$31.10M	$29.70M
YoY Change	18.41%	4.71%	15.12%
% of Gross Profit	6.86%	6.81%	7.21%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$169.9M	$165.9M	$158.0M
YoY Change	2.72%	5.0%	3.81%
% of Gross Profit	35.54%	36.34%	38.38%
Operating Expenses	$202.7M	$197.0M	$187.7M
YoY Change	4.97%	4.95%	5.45%
Operating Profit	$275.4M	$259.5M	$238.4M
YoY Change	10.78%	8.86%	1.98%
Interest Expense	-$97.20M	$106.5M	$95.37M
YoY Change	2.75%	11.64%	3.62%
% of Operating Profit	-35.29%	41.03%	40.01%
Other Income/Expense, Net
YoY Change
Pretax Income	$176.0M	$141.4M	$150.4M
YoY Change	-4.97%	-5.98%	1.83%
Income Tax
% Of Pretax Income
Net Earnings	$140.8M	$110.4M	$119.1M
YoY Change	-5.19%	-7.32%	1.52%
Net Earnings / Revenue	18.59%	14.85%	17.36%
Basic Earnings Per Share	$0.91	$0.70	$0.77
Diluted Earnings Per Share	$0.91	$0.70	$0.77
COMMON SHARES
Basic Shares Outstanding	154.6M shares	154.6M shares	154.4M shares
Diluted Shares Outstanding		154.8M shares	154.7M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$681.7M	$785.6M	$353.9M
YoY Change	19.27%	121.99%	-23.53%
Cash & Equivalents	$645.0M	$751.2M	$322.5M
Short-Term Investments	$36.75M	$34.38M	$31.38M
Other Short-Term Assets	$42.00M	$110.0M	$133.0M
YoY Change	-48.15%	-17.29%	-8.28%
Inventory
Prepaid Expenses
Receivables	$113.0M	$102.0M	$99.00M
Other Receivables	$1.039B	$1.003B	$926.0M
Total Short-Term Assets	$1.839B	$1.966B	$1.481B
YoY Change	11.73%	32.75%	-4.64%
LONG-TERM ASSETS
Property, Plant & Equipment	$17.62B	$17.51B	$16.85B
YoY Change	5.19%	3.93%	2.9%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$992.0M	$968.0M	$957.0M
YoY Change	0.71%	1.15%	49.53%
Other Assets	$736.0M	$743.0M	$771.0M
YoY Change	-5.03%	-3.63%	4.05%
Total Long-Term Assets	$19.45B	$19.32B	$18.66B
YoY Change	4.49%	3.57%	5.07%
TOTAL ASSETS
Total Short-Term Assets	$1.839B	$1.966B	$1.481B
Total Long-Term Assets	$19.45B	$19.32B	$18.66B
Total Assets	$21.28B	$21.29B	$20.14B
YoY Change	5.08%	5.72%	4.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$378.0M	$421.0M	$315.0M
YoY Change	36.46%	33.65%	-3.08%
Accrued Expenses	$290.0M	$283.0M	$93.00M
YoY Change	225.84%	204.3%	-6.06%
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	$839.0M	$869.0M	$573.0M
YoY Change	58.0%	51.66%	3.43%
LONG-TERM LIABILITIES
Long-Term Debt	$12.04B	$12.06B	$10.89B
YoY Change	9.34%	10.74%	6.4%
Other Long-Term Liabilities	$396.0M	$363.0M	$468.0M
YoY Change	-21.43%	-22.44%	11.69%
Total Long-Term Liabilities	$12.43B	$12.42B	$11.36B
YoY Change	7.99%	9.38%	6.61%
TOTAL LIABILITIES
Total Short-Term Liabilities	$839.0M	$869.0M	$573.0M
Total Long-Term Liabilities	$12.43B	$12.42B	$11.36B
Total Liabilities	$13.26B	$13.29B	$11.93B
YoY Change	10.13%	11.35%	6.45%
SHAREHOLDERS EQUITY
Retained Earnings	-$760.5M	-$749.7M	-$677.3M
YoY Change	12.58%	10.68%	-2.23%
Common Stock	$1.548M	$1.546M	$1.544M
YoY Change	0.19%	0.13%	0.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$2.722M	$2.722M	$2.722M
YoY Change	0.0%	0.0%	0.0%
Treasury Stock Shares	78.90K shares	78.90K shares	78.90K shares
Shareholders Equity	$5.685B	$5.672B	$5.877B
YoY Change
Total Liabilities & Shareholders Equity	$21.28B	$21.29B	$20.14B
YoY Change	5.08%	5.72%	4.29%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q3
OPERATING ACTIVITIES
Net Income	$140.8M	$110.4M	$119.1M
YoY Change	-5.19%	-7.32%	1.52%
Depreciation, Depletion And Amortization	$169.9M	$165.9M	$158.0M
YoY Change	2.72%	5.0%	3.81%
Cash From Operating Activities	$361.4M	$254.2M	$209.8M
YoY Change	-4.79%	21.16%	-7.94%
INVESTING ACTIVITIES
Capital Expenditures	-$267.4M	-$417.9M	-$239.5M
YoY Change	-8.99%	74.49%	-8.38%
Acquisitions
YoY Change
Other Investing Activities	-$11.20M	$9.300M	-$294.8M
YoY Change	-105.21%	-103.15%	-257.98%
Cash From Investing Activities	-$278.6M	-$408.5M	-$534.3M
YoY Change	253.55%	-23.54%	615.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-195.6M	-203.9M	21.30M
YoY Change	129.04%	-1057.28%	-115.58%
NET CHANGE
Cash From Operating Activities	361.4M	254.2M	209.8M
Cash From Investing Activities	-278.6M	-408.5M	-534.3M
Cash From Financing Activities	-195.6M	-203.9M	21.30M
Net Change In Cash	-112.8M	-358.2M	-303.2M
YoY Change	-152.37%	18.14%	-1937.58%
FREE CASH FLOW
Cash From Operating Activities	$361.4M	$254.2M	$209.8M
Capital Expenditures	-$267.4M	-$417.9M	-$239.5M
Free Cash Flow	$628.8M	$672.1M	$449.3M
YoY Change	-6.62%	49.59%	-8.17%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	bxp	Excess Stock Par Or Stated Value Per Share ExcessStockParOrStatedValuePerShare	0.01
CY2019Q3	bxp	Excess Stock Par Or Stated Value Per Share ExcessStockParOrStatedValuePerShare	0.01
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001037540
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
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CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
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CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	154650973	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	154458478	shares
CY2018Q4	us-gaap	Excess Stock Shares Authorized ExcessStockSharesAuthorized	150000000	shares
CY2019Q3	us-gaap	Excess Stock Shares Authorized ExcessStockSharesAuthorized	150000000	shares
CY2018Q4	us-gaap	Excess Stock Shares Issued ExcessStockSharesIssued	0	shares
CY2019Q3	us-gaap	Excess Stock Shares Issued ExcessStockSharesIssued	0	shares
CY2018Q4	us-gaap	Excess Stock Shares Outstanding ExcessStockSharesOutstanding	0	shares
CY2019Q3	us-gaap	Excess Stock Shares Outstanding ExcessStockSharesOutstanding	0	shares
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CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	Earned awards (if any) will vest 50% on February 4, 2022 and 50% on February 4, 2023, based on continued employment. Vesting will be accelerated in the event of a change in control, termination of employment by Boston Properties, Inc. without cause, or termination of employment by the award recipient for good reason, death, disability or retirement. If there is a change of control prior to February 4, 2022, earned awards will be calculated based on TSR performance up to the date of the change of control. The 2019 MYLTIP awards are in the form of LTIP Units issued on the grant date which (i) are subject to forfeiture to the extent awards are not earned and (ii) prior to the performance measurement date are only entitled to one-tenth (10%) of the regular quarterly distributions payable on common partnership units.
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-13087
	dei	Entity Registrant Name EntityRegistrantName	BOSTON PROPERTIES, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2473675
	dei	Entity Address Address Line1 EntityAddressAddressLine1	Prudential Center, 800 Boylston Street, Suite 1900
	dei	Entity Address City Or Town EntityAddressCityOrTown	Boston
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	02199-8103
	dei	City Area Code CityAreaCode	(617)
	dei	Local Phone Number LocalPhoneNumber	236-3300
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
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	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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	us-gaap	Gain Loss On Investments GainLossOnInvestments	1454000	USD
CY2019Q3	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2018Q3	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	24038000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2019Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-28010000	USD
CY2018Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-28010000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	106471000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	95366000	USD
	us-gaap	Interest Expense InterestExpense	309837000	USD
	us-gaap	Interest Expense InterestExpense	277790000	USD
CY2019Q3	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	141370000	USD
CY2018Q3	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	150445000	USD
	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	475990000	USD
	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	527322000	USD
CY2019Q3	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	18470000	USD
CY2018Q3	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	14850000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	54782000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	46484000	USD
CY2019Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	12504000	USD
CY2018Q3	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	13852000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	43133000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	49128000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	110396000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	121743000	USD
	us-gaap	Net Income Loss NetIncomeLoss	378075000	USD
	us-gaap	Net Income Loss NetIncomeLoss	431710000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2625000	USD
CY2018Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2625000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7875000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7875000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	107771000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	119118000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	370200000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	423835000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.74
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154577000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154440000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154553000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154414000	shares
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154820000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154678000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154847000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154652000	shares
CY2019Q3	us-gaap	Profit Loss ProfitLoss	141370000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	150445000	USD
	us-gaap	Profit Loss ProfitLoss	475990000	USD
	us-gaap	Profit Loss ProfitLoss	527322000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2253000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1325000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-9307000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1325000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1666000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1666000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-4998000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-4998000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-587000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2991000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4309000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6323000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	140783000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	153436000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	471681000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	533645000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	30974000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	28702000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	97915000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	95612000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	69000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	433000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-54000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	1031000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	109740000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	124301000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	373820000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	437002000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8020667000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q3	bxp	Equity Profit Loss EquityProfitLoss	141370000	USD
CY2019Q3	us-gaap	Dividends Dividends	166668000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	315000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-445000	USD
CY2019Q3	bxp	Saleofaninterestinpropertypartnerships Saleofaninterestinpropertypartnerships	0	USD
CY2019Q3	bxp	Difference Between Purchase Price And Carrying Value DifferenceBetweenPurchasePriceAndCarryingValue	43000	USD
CY2019Q3	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	14820000	USD
CY2019Q3	us-gaap	Noncontrolling Interest In Net Income Loss Joint Venture Partners Nonredeemable NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable	13748000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-2253000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	1666000	USD
CY2019Q3	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7995767000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8213242000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2018Q3	bxp	Equity Profit Loss EquityProfitLoss	150445000	USD
CY2018Q3	us-gaap	Dividends Dividends	166365000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	368000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	8440000	USD
CY2018Q3	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	9616000	USD
CY2018Q3	us-gaap	Noncontrolling Interest In Net Income Loss Joint Venture Partners Nonredeemable NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable	12763000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1325000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	1666000	USD
CY2018Q3	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8205974000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8213968000	USD
	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	-4379000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
	bxp	Equity Profit Loss EquityProfitLoss	475990000	USD
	us-gaap	Dividends Dividends	499934000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	688000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	26887000	USD
	bxp	Saleofaninterestinpropertypartnerships Saleofaninterestinpropertypartnerships	0	USD
	bxp	Difference Between Purchase Price And Carrying Value DifferenceBetweenPurchasePriceAndCarryingValue	-186963000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	26968000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Joint Venture Partners Nonredeemable NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable	53149000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-9307000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7995767000	USD
	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	4998000	USD
	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8102456000	USD
	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	5496000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
	bxp	Equity Profit Loss EquityProfitLoss	527322000	USD
	us-gaap	Dividends Dividends	447342000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	797000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	30570000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	37148000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Joint Venture Partners Nonredeemable NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable	56796000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1325000	USD
	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	4998000	USD
	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8205974000	USD
	us-gaap	Profit Loss ProfitLoss	475990000	USD
	us-gaap	Profit Loss ProfitLoss	527322000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	507867000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	480210000	USD
	bxp	Amortizationofrightofuseassetoperatingleases Amortizationofrightofuseassetoperatingleases	1821000	USD
	bxp	Amortizationofrightofuseassetoperatingleases Amortizationofrightofuseassetoperatingleases	0	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	24038000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	33253000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	31700000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	47528000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3083000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	16770000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3988000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	4240000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1454000	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	16594000	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	15922000	USD
	us-gaap	Accretion Expense AccretionExpense	-763000	USD
	us-gaap	Accretion Expense AccretionExpense	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-28010000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gain Loss On Sale Of Properties Before Applicable Income Taxes GainLossOnSaleOfPropertiesBeforeApplicableIncomeTaxes	766000	USD
	us-gaap	Gain Loss On Sale Of Properties Before Applicable Income Taxes GainLossOnSaleOfPropertiesBeforeApplicableIncomeTaxes	122552000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	20677000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1578000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	376000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	0	USD
	us-gaap	Straight Line Rent StraightLineRent	19327000	USD
	us-gaap	Straight Line Rent StraightLineRent	41519000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	32467000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6354000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	63857000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	51938000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	-1191000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-6104000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	8860000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-78449000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1561000	USD
	us-gaap	Lease Cost LeaseCost	-76122000	USD
	us-gaap	Lease Cost LeaseCost	-89366000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	343802000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	243305000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	819792000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	770627000	USD
	us-gaap	Payments To Acquire And Develop Real Estate PaymentsToAcquireAndDevelopRealEstate	148912000	USD
	us-gaap	Payments To Acquire And Develop Real Estate PaymentsToAcquireAndDevelopRealEstate	0	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	390275000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	530389000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	129340000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	140969000	USD
	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	191532000	USD
	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	129450000	USD
	bxp	Rightofuseassetsfinanceleases Rightofuseassetsfinanceleases	5152000	USD
	bxp	Rightofuseassetsfinanceleases Rightofuseassetsfinanceleases	0	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	83486000	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	175577000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	65499000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	314075000	USD
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	136807000	USD
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
	us-gaap	Payments For Proceeds From Other Real Estate Partnerships PaymentsForProceedsFromOtherRealEstatePartnerships	24112000	USD
	us-gaap	Payments For Proceeds From Other Real Estate Partnerships PaymentsForProceedsFromOtherRealEstatePartnerships	0	USD
	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	0	USD
	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	80000000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1937000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	761000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-736466000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1020067000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	15510000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	14677000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	1548106000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	USD
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	699237000	USD
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	380000000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	580000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	380000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	455000000	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	500000000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	502000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	USD
	bxp	Paymentsonrealestatetransaction Paymentsonrealestatetransaction	0	USD
	bxp	Paymentsonrealestatetransaction Paymentsonrealestatetransaction	960000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	13130000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	263000	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	27270000	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2562000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	-333000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	499627000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	421264000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	26968000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	37148000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	53149000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	56796000	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-186963000	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	82248000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	167855000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	165574000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-81585000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	639191000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	505369000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	804765000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	423784000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	543359000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	434767000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	95832000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	70602000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	639191000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	505369000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	751210000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	322502000	USD
CY2019Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	53555000	USD
CY2018Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	101282000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	804765000	USD
	us-gaap	Interest Paid InterestPaid	303203000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	41253000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	423784000	USD
	us-gaap	Interest Paid InterestPaid	338033000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	51594000	USD
	bxp	Writeoffoffullydepreciatedrealestate Writeoffoffullydepreciatedrealestate	86496000	USD
	bxp	Writeoffoffullydepreciatedrealestate Writeoffoffullydepreciatedrealestate	100118000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	95857000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	-11746000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	287540000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
	bxp	Prepaidrentreclassifiedtorightofuseasset Prepaidrentreclassifiedtorightofuseasset	15000000	USD
	bxp	Prepaidrentreclassifiedtorightofuseasset Prepaidrentreclassifiedtorightofuseasset	0	USD
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	12767000	USD
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	0	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	135004000	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	USD
	us-gaap	Transfer To Investments TransferToInvestments	29246000	USD
	us-gaap	Transfer To Investments TransferToInvestments	0	USD
	bxp	Leaseliabilityfinanceleasedeconsolidation Leaseliabilityfinanceleasedeconsolidation	-119534000	USD
	bxp	Leaseliabilityfinanceleasedeconsolidation Leaseliabilityfinanceleasedeconsolidation	0	USD
CY2019Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	165421000	USD
CY2018Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	165118000	USD
	bxp	Conversions Of Noncontrolling Interests To Stockholders Equity ConversionsOfNoncontrollingInterestsToStockholdersEquity	1435000	USD
	bxp	Conversions Of Noncontrolling Interests To Stockholders Equity ConversionsOfNoncontrollingInterestsToStockholdersEquity	2112000	USD
	bxp	Issuance Of Restricted Securities To Employees And Directors IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors	38923000	USD
	bxp	Issuance Of Restricted Securities To Employees And Directors IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors	37342000	USD
	us-gaap	Limited Liability Company Llc Or Limited Partnership Lp Managing Member Or General Partner Ownership Interest LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest	0.896
CY2018	us-gaap	Limited Liability Company Llc Or Limited Partnership Lp Managing Member Or General Partner Ownership Interest LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest	0.897
CY2019Q3	bxp	Restriction On Redemption Of Op Units From Date Of Issuance In Years RestrictionOnRedemptionOfOpUnitsFromDateOfIssuanceInYears	1	Y
CY2019Q3	bxp	Op Unit Conversion Rate OpUnitConversionRate	1	shares
CY2019Q3	bxp	Common Stock Conversion Rate CommonStockConversionRate	1	shares
CY2019Q3	bxp	Number Of Series Of Preferred Units Outstanding NumberOfSeriesOfPreferredUnitsOutstanding	1	series
CY2019Q3	bxp	Numberof Vi Es NumberofVIEs	6
CY2019Q3	us-gaap	Land Land	5087029000	USD
CY2018Q4	us-gaap	Land Land	5072568000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	237394000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	149231000	USD
CY2019Q3	us-gaap	Land Available For Development LandAvailableForDevelopment	246972000	USD
CY2018Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	200498000	USD
CY2019Q3	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	13396648000	USD
CY2018Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	13356751000	USD
CY2019Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2559907000	USD
CY2018Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2396932000	USD
CY2019Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	44908000	USD
CY2018Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	44351000	USD
CY2019Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	953336000	USD
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	578796000	USD
CY2019Q3	bxp	Real Estate Investment Property At Cost I Ncluding Rightof Use Assets RealEstateInvestmentPropertyAtCostINcludingRightofUseAssets	22675425000	USD
CY2018Q4	bxp	Real Estate Investment Property At Cost I Ncluding Rightof Use Assets RealEstateInvestmentPropertyAtCostINcludingRightofUseAssets	21649896000	USD
CY2019Q3	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	5164353000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	4897777000	USD
CY2019Q3	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	17511072000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	16752119000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	151800000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	199300000	USD
CY2019Q3	us-gaap	Lessee Finance Lease Description LesseeFinanceLeaseDescription	four
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	3637000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	10970000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	12000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	14000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	12000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	36000	USD
CY2019Q3	bxp	Financeleasesunderdevelopment Financeleasesunderdevelopment	3
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P51Y
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P72Y
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.062
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	11425000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	18425000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	25310000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	8894000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	9084000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	567232000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	1441000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	12682000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	2123000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	1253000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	944000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	73241000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Net Minimum Payments1 CapitalLeasesFutureMinimumPaymentsNetMinimumPayments1	91684000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	27497000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	64187000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2426000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	150000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	10050000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	907000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	24953000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5958000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	18041000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	10208000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	10345000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	9708000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	567232000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	1431760000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	633047000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1458691000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	-433292000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	-1237662000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	199755000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	221029000	USD
CY2019Q3	bxp	Lessee Finance Lease Optionto Extend Reasonably Certain2024 LesseeFinanceLeaseOptiontoExtendReasonablyCertain2024	38700000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	566294000	USD
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	1678100000	USD
CY2019Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	125931000	USD
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	373565000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	692225000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	2051665000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	2088171000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	2106963000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	2015031000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	1838699000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	1736636000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	12295464000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable Remainder Of Fiscal Year OperatingLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear	530470000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	2196428000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	2177016000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	2050537000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	1980918000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	15447131000	USD
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	bxp	Schedule Of Statements Of Operations Of Unconsolidated Joint Ventures Text Bock ScheduleOfStatementsOfOperationsOfUnconsolidatedJointVenturesTextBock	.<div style="line-height:120%;padding-top:17px;text-indent:32px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">The combined summarized statements of operations of the Company’s unconsolidated joint ventures are as follows:</span></div><div style="line-height:120%;padding-top:8px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.609375%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:37%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Arial;font-size:8pt;"> </span></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">Three months ended September 30,</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">Nine months ended September 30,</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Arial;font-size:8pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Arial;font-size:8pt;"> </span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:Arial;font-size:9pt;font-weight:bold;">(in thousands)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Total revenue (1)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>75,940</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>76,177</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>239,099</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>189,759</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Expenses</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Operating</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>28,839</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>29,522</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>89,472</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>75,239</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Depreciation and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>23,477</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>44,993</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>76,941</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>74,245</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Total expenses</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>52,316</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>74,515</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>166,413</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>149,484</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Other income (expense)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(20,483</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(19,861</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(62,043</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(48,993</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Gain on sale of real estate (2)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(812</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>33,760</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:52px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Net income (loss)</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>2,329</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(18,199</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>44,403</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(8,718</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Company’s share of net income (loss)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>392</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(2,858</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>24,352</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>1,073</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Basis differential (2) (3)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(1,041</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(1,455</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>23,176</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(4,156</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Income (loss) from unconsolidated joint ventures</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(649</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(4,313</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>47,528</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><span>(3,083</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">)</span></div></td></tr></table></div></div><div style="line-height:120%;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"> _______________ </span></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><span style="font-family:Arial;font-size:10pt;">(1)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Includes straight-line rent adjustments of approximately </span><span style="font-family:Arial;font-size:10pt;"><span>$5.3 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$4.8 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the three months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span><span style="font-family:Arial;font-size:10pt;">, respectively, and </span><span style="font-family:Arial;font-size:10pt;"><span>$18.7 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$9.8 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the </span><span style="font-family:Arial;">nine</span><span style="font-family:Arial;font-size:10pt;"> months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span><span style="font-family:Arial;font-size:10pt;">, respectively. </span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><span style="font-family:Arial;font-size:10pt;">(2)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Represents the total gain on sale of 540 Madison Avenue recognized by the joint venture, as described below. During 2008, the Company recognized an other-than-temporary impairment loss on its investment in the unconsolidated joint venture resulting in a basis differential between the carrying value of the Company’s investment in the joint venture and the joint venture’s basis in the assets and liabilities of the property. As a result of the historical basis difference, the Company recognized a gain on sale of real estate totaling approximately </span><span style="font-family:Arial;font-size:10pt;"><span>$47.3 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the </span><span style="font-family:Arial;">nine</span><span style="font-family:Arial;font-size:10pt;"> months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;">, which consists of its share of the gain on sale reported by the joint venture as well as an adjustment for the basis differential. The Company recognized a reduction to the gain on sale of real estate totaling approximately </span><span style="font-family:Arial;font-size:10pt;"><span>$0.5 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the three months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;">. The gain on sale is included in Income (Loss) from Unconsolidated Joint Ventures in the Company’s Consolidated Statements of Operations.</span></div></td></tr></table><div style="line-height:120%;font-size:10pt;padding-left:24px;"><span style="font-family:Arial;font-size:10pt;">(3)</span></div><span style="font-family:Arial;font-size:10pt;">Includes straight-line rent adjustments of approximately </span><span style="font-family:Arial;font-size:10pt;"><span>$0.5 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$0.5 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the three months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span><span style="font-family:Arial;font-size:10pt;">, respectively, and </span><span style="font-family:Arial;font-size:10pt;"><span>$1.6 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$1.9 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the </span><span style="font-family:Arial;">nine</span><span style="font-family:Arial;font-size:10pt;"> months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span><span style="font-family:Arial;font-size:10pt;">, respectively. Also includes net above-/below-market rent adjustments of approximately </span><span style="font-family:Arial;font-size:10pt;"><span>$0.4 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$0.4 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the three months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span><span style="font-family:Arial;font-size:10pt;">, respectively, and </span><span style="font-family:Arial;font-size:10pt;"><span>$1.3 million</span></span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;"><span>$1.2 million</span></span><span style="font-family:Arial;font-size:10pt;"> for the </span><span style="font-family:Arial;">nine</span><span style="font-family:Arial;font-size:10pt;"> months ended </span><span style="font-family:Arial;font-size:10pt;">September 30, 2019</span><span style="font-family:Arial;font-size:10pt;"> and </span><span style="font-family:Arial;font-size:10pt;">2018</span>, respectively.
CY2019Q3	bxp	Letter Of Credit And Performance Obligation LetterOfCreditAndPerformanceObligation	15200000	USD
CY2019Q3	bxp	Insurance Policy Limit InsurancePolicyLimit	1000000000.0	USD
CY2019Q3	bxp	Insurance Policy Limit InsurancePolicyLimit	1000000000.0	USD
	bxp	Per Occurrence Limit For Nbcr Coverage PerOccurrenceLimitForNbcrCoverage	1000000000.0	USD
CY2019Q3	bxp	Program Trigger Value ProgramTriggerValue	180000000	USD
	bxp	Program Trigger Coinsurance ProgramTriggerCoinsurance	0.19
	bxp	Earthquake Deductible Insurance Percentage Of Value Of The Affected Property San Franciscoand Los Angeles EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySanFranciscoandLosAngeles	0.03
	bxp	Per Occurrence Limit Of Earth Quake Insurance San Franciscoand Los Angeles PerOccurrenceLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles	240000000	USD
	bxp	Annual Aggregate Limit Of Earth Quake Insurance San Franciscoand Los Angeles AnnualAggregateLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles	240000000	USD
	bxp	Amount Of Earthquake Insurance Provided By Ixpllc As Direct Insurer San Franciscoand Los Angeles AmountOfEarthquakeInsuranceProvidedByIXPLLCAsDirectInsurerSanFranciscoandLosAngeles	20000000	USD
CY2019Q3	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	1700000000	USD
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	154572073	shares
CY2019Q3	us-gaap	General Partners Capital Account Units Outstanding GeneralPartnersCapitalAccountUnitsOutstanding	1725828	shares
CY2019Q3	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	152846245	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	29704	shares
	us-gaap	Conversion Of Stock Shares Issued1 ConversionOfStockSharesIssued1	41577	shares
CY2019Q3	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.95
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2019Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2018Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.95
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.80
CY2018Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.80
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.80
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	107771000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154577000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2019Q3	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	243000	shares
CY2019Q3	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	0
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	107771000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154820000	shares
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	119118000	USD
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154440000	shares
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2018Q3	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	238000	shares
CY2018Q3	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	0
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	119118000	USD
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154678000	shares
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	370200000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154553000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	294000	shares
	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	-0.01
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	370200000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154847000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	423835000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154414000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.74
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	87000	USD
	bxp	Allocationofundistributedearningstoparticipatingsecuritiesinshares Allocationofundistributedearningstoparticipatingsecuritiesinshares	0	shares
	bxp	Allocationofundistributedearningstoparticipatingsecuritiespershares Allocationofundistributedearningstoparticipatingsecuritiespershares	0
	bxp	Earnings Per Share After Allccationof Undistributed Earningsto Particiapting Securities Basicdollarspershare EarningsPerShareAfterAllccationofUndistributedEarningstoParticiaptingSecuritiesBasicdollarspershare	2.74
	bxp	Net Income Loss Available To Common Stockholders After Allocationof Undistributed Earningsto Participating Securities Basic NetIncomeLossAvailableToCommonStockholdersAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasic	423748000	USD
	bxp	Weighted Average Number Of Shares Outstanding After Allocationof Undistributed Earningsto Participating Securities Basicinshares WeightedAverageNumberOfSharesOutstandingAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasicinshares	154414000	shares
	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	238000	shares
	bxp	Weighted Average Number Diluted Shares Outstanding Adjustmentpershare WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare	0
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	423748000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154652000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7500000	USD
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7900000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	32400000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	30100000	USD
CY2019Q3	bxp	Rental Revenue Office RentalRevenueOffice	707811000	USD
CY2019Q3	bxp	Rental Revenue Residential RentalRevenueResidential	9996000	USD
CY2019Q3	bxp	Rental Revenue Total RentalRevenueTotal	730821000	USD
CY2019Q3	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
CY2019Q3	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	274346000	USD
CY2019Q3	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
CY2019Q3	us-gaap	Gross Profit GrossProfit	456475000	USD
CY2019Q3	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
CY2019Q3	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
CY2018Q3	bxp	Rental Revenue Office RentalRevenueOffice	648531000	USD
CY2018Q3	bxp	Rental Revenue Residential RentalRevenueResidential	6320000	USD
CY2018Q3	bxp	Rental Revenue Total RentalRevenueTotal	668515000	USD
CY2018Q3	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
CY2018Q3	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	256817000	USD
CY2018Q3	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
CY2018Q3	us-gaap	Gross Profit GrossProfit	411698000	USD
CY2018Q3	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
CY2018Q3	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
	bxp	Rental Revenue Office RentalRevenueOffice	2101762000	USD
	bxp	Rental Revenue Residential RentalRevenueResidential	26710000	USD
	bxp	Rental Revenue Total RentalRevenueTotal	2165268000	USD
	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	806777000	USD
	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
	us-gaap	Gross Profit GrossProfit	1358491000	USD
	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000
	bxp	Rental Revenue Office RentalRevenueOffice	1918934000	USD
	bxp	Rental Revenue Residential RentalRevenueResidential	15278000	USD
	bxp	Rental Revenue Total RentalRevenueTotal	1971585000	USD
	bxp	Percentage Of Total Revenue PercentageOfTotalRevenue	1.0000
	bxp	Rental Expenses Operating Expenses Total RentalExpensesOperatingExpensesTotal	751750000	USD
	bxp	Percentage Of Total Rental Expenses PercentageOfTotalRentalExpenses	1.0000
	us-gaap	Gross Profit GrossProfit	1219835000	USD
	bxp	Percentage Of Total Net Operating Income PercentageOfTotalNetOperatingIncome	1.0000
	bxp	Percentageof Companys Shareof Net Operating Income PercentageofCompanysShareofNetOperatingIncome	1.0000

Files In Submission

Name	View Source	Status
0001656423-19-000033-index-headers.html	Edgar Link	pending
0001656423-19-000033-index.html	Edgar Link	pending
0001656423-19-000033.txt	Edgar Link	pending
0001656423-19-000033-xbrl.zip	Edgar Link	pending
bxp-20190930.xsd	Edgar Link	pending
bxp-20190930_cal.xml	Edgar Link	unprocessable
bxp-20190930_def.xml	Edgar Link	unprocessable
bxp-20190930_lab.xml	Edgar Link	unprocessable
bxp-20190930_pre.xml	Edgar Link	unprocessable
bxpandbplp10-q20190930.htm	Edgar Link	pending
bxpandbplp10-q20190930_htm.xml	Edgar Link	completed
bxpbplp93019-ex311.htm	Edgar Link	pending
bxpbplp93019-ex312.htm	Edgar Link	pending
bxpbplp93019-ex313.htm	Edgar Link	pending
bxpbplp93019-ex314.htm	Edgar Link	pending
bxpbplp93019-ex321.htm	Edgar Link	pending
bxpbplp93019-ex322.htm	Edgar Link	pending
bxpbplp93019-ex323.htm	Edgar Link	pending
bxpbplp93019-ex324.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$BXP
BXP Inc Stock $bxp

2019 Q4 Form 10-Q Financial Statement

#000165642319000033 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BXP BXP Inc Stock $bxp

2019 Q4 Form 10-Q Financial Statement

#000165642319000033 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BXP
BXP Inc Stock $bxp