Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023		Jun. 30, 2022		Jun. 30, 2023		Jun. 30, 2022
Revenue
Lease	$ 761,733		$ 721,899		$ 1,518,608		$ 1,440,019
Total revenue	817,153		773,927		1,620,353		1,528,234
Expenses
Rental	291,036		273,848		582,344		544,103
General and administrative	44,175		34,665		99,977		77,859
Transaction costs	308		496		1,219		496
Depreciation and amortization	202,577		183,146		411,311		360,770
Total expenses	550,866		501,838		1,119,527		1,001,816
Other income (expense)
income (loss() from unconsolidated joint ventures	(6,668)		(54)		(14,237)		2,135
Gains on sales of real estate	0		96,247		0		118,948
Interest and other income (loss)	17,343		1,195		28,284		2,423
Other Income - assignment fee	0		6,624		0		6,624
Gain (Loss) on Investments	1,571		(4,716)		3,236		(6,978)
Unrealized gain on non-real estate investment	124		0		383		0
Interest expense	(142,473)		(104,142)		(276,680)		(205,370)
Net income	136,184		267,243		241,812		444,200
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(19,768)		(18,546)		(38,428)		(36,095)
Noncontrolling interest - common units of the Operating Partnership	(12,117)		(25,708)		(21,169)		(42,061)
Net income attributable to the Company	104,299		222,989		182,215		366,044
Net income attributable to the Company	$ 104,299		$ 222,989		$ 182,215		$ 366,044
Basic earnings per common share / unit attributable to the Company
Earnings Per Share After Allocation of Undistributed Earnings to Participating Securities Basic (dollars per share)	$ 0.67		$ 1.42		$ 1.16		$ 2.33
Weighted average number of common shares / units outstanding (in shares / units)	156,826		156,720		156,815		156,685
Diluted earnings per common share / unit attributable to the Company
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.66		$ 1.42		$ 1.16		$ 2.33
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	157,218		157,192		157,131		157,098
Boston Properties Limited Partnership
Revenue
Lease	$ 761,733		$ 721,899		$ 1,518,608		$ 1,440,019
Total revenue	817,153		773,927		1,620,353		1,528,234
Expenses
Rental	291,036		273,848		582,344		544,103
General and administrative	44,175		34,665		99,977		77,859
Transaction costs	308		496		1,219		496
Depreciation and amortization	200,895		181,416		407,767		357,302
Total expenses	549,184		500,108		1,115,983		998,348
Other income (expense)
income (loss() from unconsolidated joint ventures	(6,668)		(54)		(14,237)		2,135
Gains on sales of real estate	0		99,608		0		122,992
Interest and other income (loss)	17,343		1,195		28,284		2,423
Other Income - assignment fee	0		6,624		0		6,624
Gain (Loss) on Investments	1,571		(4,716)		3,236		(6,978)
Unrealized gain on non-real estate investment	124		0		383		0
Interest expense	(142,473)		(104,142)		(276,680)		(205,370)
Net income	137,866		272,334		245,356		451,712
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(19,768)		(18,546)		(38,428)		(36,095)
Net income attributable to the Company	118,098		253,788		206,928		415,617
Net income attributable to the Company	$ 118,098		$ 253,788		$ 206,928		$ 415,617
Basic earnings per common share / unit attributable to the Company
Earnings Per Share After Allocation of Undistributed Earnings to Participating Securities Basic (dollars per share)	$ 0.68		$ 1.45		$ 1.18		$ 2.38
Weighted average number of common shares / units outstanding (in shares / units)	174,748		174,392		174,693		174,323
Diluted earnings per common share / unit attributable to the Company
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.67		$ 1.45		$ 1.18		$ 2.38
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	175,140		174,864		175,009		174,736
Parking and Other [Member]
Revenue
Other revenue	$ 26,984		$ 30,346		$ 50,993		$ 52,080
Parking and Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	26,984		30,346		50,993		52,080
Hotel [Member]
Revenue
Other revenue	13,969	[1]	12,089	[1]	22,070	[2]	16,646	[2]
Expenses
Operating expense	8,161		6,444		14,832		11,284
Hotel [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	13,969		12,089		22,070		16,646
Expenses
Operating expense	8,161		6,444		14,832		11,284
Real Estate, Other [Member]
Revenue
Other revenue	4,609		3,239		9,844		7,304
Expenses
Operating expense	4,609		3,239		9,844		7,304
Real Estate, Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	4,609		3,239		9,844		7,304
Expenses
Operating expense	4,609		3,239		9,844		7,304
Management Service [Member]
Revenue
Other revenue	9,858		6,354		18,838		12,185
Management Service [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	$ 9,858		$ 6,354		$ 18,838		$ 12,185

[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.