Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue
Lease	$ 718,120	$ 685,817
Total revenue	754,307	713,695
Expenses
Rental	270,255	257,389
General and administrative	43,194	44,959
Transaction costs	0	331
Depreciation and amortization	177,624	176,565
Total expenses	499,978	484,800
Other income (expense)
Income (Loss) from Unconsolidated Joint Ventures	2,189	5,225
Gains on sales of real estate	22,701	0
Interest and other income (loss)	1,228	1,168
Gains (losses) from investments in securities	(2,262)	1,659
Loss from early extinguishment of debt	0	(898)
Interest expense	(101,228)	(107,902)
Net income	176,957	128,147
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(17,549)	(16,467)
Noncontrolling interest - common units of the Operating Partnership	(16,361)	(11,084)
Net income attributable to the Company	143,047	100,596
Preferred dividends / distributions	0	(2,560)
Preferred Stock Redemption Charge	0	(6,412)
Net income attributable to the Company's common shareholders / unitholders	$ 143,047	$ 91,624
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)	$ 0.91	$ 0.59
Weighted average number of common shares / units outstanding (in shares / units)	156,650	155,928
Diluted earnings per common share / unit attributable to the Company
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.91	$ 0.59
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	157,004	156,099
Boston Properties Limited Partnership
Revenue
Lease	$ 718,120	$ 685,817
Total revenue	754,307	713,695
Expenses
Rental	270,255	257,389
General and administrative	43,194	44,959
Transaction costs	0	331
Depreciation and amortization	175,886	173,500
Total expenses	498,240	481,735
Other income (expense)
Income (Loss) from Unconsolidated Joint Ventures	2,189	5,225
Gains on sales of real estate	23,384	0
Interest and other income (loss)	1,228	1,168
Gains (losses) from investments in securities	(2,262)	1,659
Loss from early extinguishment of debt	0	(898)
Interest expense	(101,228)	(107,902)
Net income	179,378	131,212
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(17,549)	(16,467)
Net income attributable to the Company	161,829	114,745
Preferred dividends / distributions	0	(2,560)
Preferred Stock Redemption Charge	0	(6,412)
Net income attributable to the Company's common shareholders / unitholders	$ 161,829	$ 105,773
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)	$ 0.93	$ 0.61
Weighted average number of common shares / units outstanding (in shares / units)	174,276	173,018
Diluted earnings per common share / unit attributable to the Company
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 0.93	$ 0.61
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	174,630	173,189
Parking and Other [Member]
Revenue
Other revenue	$ 21,734	$ 16,938
Parking and Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	21,734	16,938
Hotel [Member]
Revenue
Other revenue	4,557	632
Expenses
Operating expense	4,840	2,051
Hotel [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	4,557	632
Expenses
Operating expense	4,840	2,051
Real Estate, Other [Member]
Revenue
Other revenue	4,065	3,505
Expenses
Operating expense	4,065	3,505
Real Estate, Other [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	4,065	3,505
Expenses
Operating expense	4,065	3,505
Management Service [Member]
Revenue
Other revenue	5,831	6,803
Management Service [Member] | Boston Properties Limited Partnership
Revenue
Other revenue	$ 5,831	$ 6,803