Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue
Lease		$ 3,054,673	$ 2,918,368	$ 2,753,014
Total revenue		3,273,569	3,108,581	2,888,621
Expenses
Rental		1,183,947	1,108,070	1,021,151
General and administrative		170,158	146,378	151,573
Transaction costs		4,313	2,905	5,036
Depreciation and amortization		830,813	749,775	717,336
Total expenses		2,239,227	2,050,056	1,920,581
Other income (expense)
Loss from unconsolidated joint ventures		(239,543)	(59,840)	(2,570)
Gains on sales of real estate		517	437,019	123,660
Gain on sales-type lease		0	10,058	0
Interest and other income (loss)		69,964	11,940	5,704
Other Income - assignment fee		0	6,624	0
Gains (losses) from investments in securities		5,556	(6,453)	5,626
Losses from interest rate contracts		(79)	0	0
Unrealized Gain (Loss) on Investments		239	(150)	0
Losses from early extinguishment of debt		0	0	(45,182)
Interest expense		(579,572)	(437,139)	(423,346)
Net Income (loss)		291,424	1,020,584	631,932
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships		(78,661)	(74,857)	(70,806)
Noncontrolling interest - common units of the Operating Partnership		(22,548)	(96,780)	(55,931)
Net income attributable to Boston Properties, Inc.		190,215	848,947	505,195
Preferred dividends / distributions		0	0	(2,560)
Preferred Stock Redemption Charge		0	0	(6,412)
Net income attributable to the Company common shareholders / unitholders		$ 190,215	$ 848,947	$ 496,223
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)		$ 1.21	$ 5.41	$ 3.18
Weighted average number of common shares / units outstanding (in shares / units)		156,863	156,726	156,116
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)		$ 1.21	$ 5.40	$ 3.17
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)		157,201	157,137	156,376
Boston Properties Limited Partnership
Revenue
Lease		$ 3,054,673	$ 2,918,368	$ 2,753,014
Total revenue		3,273,569	3,108,581	2,888,621
Expenses
Rental		1,183,947	1,108,070	1,021,151
General and administrative		170,158	146,378	151,573
Transaction costs		4,313	2,905	5,036
Depreciation and amortization		823,805	742,293
Total expenses		2,232,219	2,042,574	1,912,280
Other income (expense)
Loss from unconsolidated joint ventures		(239,543)	(59,840)	(2,570)
Gains on sales of real estate		517	441,075	125,198
Gain on sales-type lease		0	10,058	0
Interest and other income (loss)		69,964	11,940	5,704
Other Income - assignment fee		0	6,624	0
Gains (losses) from investments in securities		5,556	(6,453)	5,626
Losses from interest rate contracts		(79)	0	0
Unrealized Gain (Loss) on Investments		239	(150)	0
Losses from early extinguishment of debt		0	0	(45,182)
Interest expense		(579,572)	(437,139)	(423,346)
Net Income (loss)		298,432	1,032,122	641,771
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships		(78,661)	(74,857)	(70,806)
Net income attributable to Boston Properties, Inc.		219,771	957,265	570,965
Preferred dividends / distributions		0	0	(2,560)
Preferred Stock Redemption Charge		0	0	(6,412)
Net income attributable to the Company common shareholders / unitholders		$ 219,771	$ 957,265	$ 561,993
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)		$ 1.26	$ 5.48	$ 3.25
Weighted average number of common shares / units outstanding (in shares / units)		174,796	174,360	173,150
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)		$ 1.25	$ 5.47	$ 3.24
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)		175,134	174,771	173,410
Parking and Other [Member]
Revenue
Other revenue		$ 112,918	$ 107,225	$ 81,814
Parking and Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue		112,918	107,225	81,814
Hotel [Member]
Revenue
Other revenue	[1]	47,357	39,482	13,609
Expenses
Operating expense		32,225	27,478	12,998
Hotel [Member] | Boston Properties Limited Partnership
Revenue
Other revenue		47,357	39,482	13,609
Expenses
Operating expense		32,225	27,478	12,998
Management Service [Member]
Revenue
Other revenue		40,850	28,056	27,697
Management Service [Member] | Boston Properties Limited Partnership
Revenue
Other revenue		40,850	28,056	27,697
Real Estate, Other [Member]
Revenue
Other revenue		17,771	15,450	12,487
Expenses
Operating expense		17,771	15,450	12,487
Real Estate, Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue		17,771	15,450	12,487
Expenses
Operating expense		$ 17,771	$ 15,450	$ 12,487

[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.