Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024		Sep. 30, 2023
Revenue
Lease	$ 799,471		$ 767,181		$ 2,378,616		$ 2,285,789
Total revenue	859,227		824,283		2,549,148		2,444,636
Expenses
Rental	327,897		300,192		963,480		882,536
General and administrative	33,352		31,410		127,479		131,387
Transaction costs	188		751		890		1,970
Depreciation and amortization	222,890		207,435		661,148		618,746
Total expenses	597,809		552,714		1,790,774		1,672,241
Other income (expense)
Income (loss) from unconsolidated joint ventures	(7,011)		(247,556)		6,376		(261,793)
Gains on sales of real estate	517		517		517		517
Interest and other income (loss)	14,430		20,715		39,747		48,999
Gains (losses) from investments in securities	2,198		(925)		4,785		2,311
Unrealized gain (loss) on non-real estate investments	94		(51)		548		332
Impairment loss	0		0		(13,615)		0
Interest expense	(163,194)		(147,812)		(474,727)		(424,492)
Net Income (loss)	108,452		(103,543)		322,005		138,269
Net (income) loss attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(15,237)		(20,909)		(50,283)		(59,337)
Noncontrolling interest - common units of the Operating Partnership	(9,587)		12,626		(28,596)		(8,642)
Net income (loss) attributable to BXP, Inc.	83,628		(111,826)		243,126		70,290
Net income attributable to the Company	$ 83,628		$ (111,826)		$ 243,126		$ 70,290
Basic earnings per common share / unit attributable to the Company common shareholders / unitholders
Earnings Per Share After Allocation of Undistributed Earnings to Participating Securities Basic (dollars per share)	$ 0.53		$ (0.71)		$ 1.55		$ 0.45
Weighted average number of common shares / units outstanding (in shares / units)	157,725		156,880		157,250		156,837
Diluted earnings per common share / unit attributable to the Company common shareholders / unitholders
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.53		$ (0.71)		$ 1.54		$ 0.45
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	158,213		156,880		157,547		157,177
Boston Properties Limited Partnership
Revenue
Lease	$ 799,471		$ 767,181		$ 2,378,616		$ 2,285,789
Total revenue	859,227		824,283		2,549,148		2,444,636
Expenses
Rental	327,897		300,192		963,480		882,536
General and administrative	33,352		31,410		127,479		131,387
Transaction costs	188		751		890		1,970
Depreciation and amortization	221,186		205,679		656,044		613,446
Total expenses	596,105		550,958		1,785,670		1,666,941
Other income (expense)
Income (loss) from unconsolidated joint ventures	(7,011)		(247,556)		6,376		(261,793)
Gains on sales of real estate	517		517		517		517
Interest and other income (loss)	14,430		20,715		39,747		48,999
Gains (losses) from investments in securities	2,198		(925)		4,785		2,311
Unrealized gain (loss) on non-real estate investments	94		(51)		548		332
Impairment loss	0		0		(13,615)		0
Interest expense	(163,194)		(147,812)		(474,727)		(424,492)
Net Income (loss)	110,156		(101,787)		327,109		143,569
Net (income) loss attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(15,237)		(20,909)		(50,283)		(59,337)
Net income (loss) attributable to BXP, Inc.	94,919		(122,696)		276,826		84,232
Net income attributable to the Company	$ 94,919		$ (122,696)		$ 276,826		$ 84,232
Basic earnings per common share / unit attributable to the Company common shareholders / unitholders
Earnings Per Share After Allocation of Undistributed Earnings to Participating Securities Basic (dollars per share)	$ 0.54		$ (0.70)		$ 1.58		$ 0.48
Weighted average number of common shares / units outstanding (in shares / units)	175,446		174,882		175,369		174,765
Diluted earnings per common share / unit attributable to the Company common shareholders / unitholders
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.54		$ (0.70)		$ 1.58		$ 0.48
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	175,934		174,882		175,666		175,105
Parking and Other [Member]
Revenue
Other revenue	$ 34,255		$ 30,428		$ 101,086		$ 81,421
Parking and Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	34,255		30,428		101,086		81,421
Hotel [Member]
Revenue
Other revenue	15,082	[1]	13,484	[1]	38,080	[2]	35,554	[2]
Expenses
Operating expense	9,833		9,020		25,687		23,852
Hotel [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	15,082		13,484		38,080		35,554
Expenses
Operating expense	9,833		9,020		25,687		23,852
Management Service [Member]
Revenue
Other revenue	6,770		9,284		19,276		28,122
Management Service [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	6,770		9,284		19,276		28,122
Real Estate, Other [Member]
Revenue
Other revenue	3,649		3,906		12,090		13,750
Expenses
Operating expense	3,649		3,906		12,090		13,750
Real Estate, Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	3,649		3,906		12,090		13,750
Expenses
Operating expense	$ 3,649		$ 3,906		$ 12,090		$ 13,750

[1] Rental Revenue is equal to Total Revenue per the Company’s Consolidated Statements of Operations, less Development and Management Services Revenue and Direct Reimbursements of Payroll and Related Costs from Management Services Contracts Revenue per the Consolidated Statements of Operations.

[2] Rental Revenue is equal to Total Revenue per the Company’s Consolidated Statements of Operations, less Development and Management Services Revenue and Direct Reimbursements of Payroll and Related Costs from Management Services Contracts Revenue per the Consolidated Statements of Operations.