Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Real estate, at cost (amounts related to variable interest entities (“VIEs”) of $7,490,887 and $7,054,075 at June 30, 2024 and December 31, 2023, respectively)		$ 27,273,494	$ 26,749,209
Right of use assets - finance leases (amounts related to VIEs of $21,000 and $21,000 at June 30, 2024 and December 31, 2023, respectively)		372,896	401,680
Right of use assets - operating leases (amounts related to VIEs of $149,605 and $158,885 at June 30, 2024 and December 31, 2023, respectively)	[1]	344,292	324,298
Less: accumulated depreciation (amounts related to VIEs of $(1,570,934) and $(1,501,483) at June 30, 2024 and December 31, 2023, respectively)		(7,198,566)	(6,881,728)
Cash and cash equivalents (amounts related to VIEs of $378,992 and $245,317 at June 30, 2024 and December 31, 2023, respectively)		685,376	1,531,477
Cash held in escrows (amounts related to VIEs of $6,805 and $22,160 at June 30, 2024 and December 31, 2023, respectively)		52,125	81,090
Tenant and other receivables, net (amounts related to VIEs of $17,481 and $27,987 at June 30, 2024 and December 31, 2023, respectively)		82,145	122,407
Accrued rental income, net (amounts related to VIEs of $416,840 and $401,159 at June 30, 2024 and December 31, 2023, respectively)		1,414,622	1,355,212
Deferred charges, net (amounts related to VIEs of $193,650 and $175,383 at June 30, 2024 and December 31, 2023, respectively)		800,099	760,421
Prepaid expenses and other assets (amounts related to VIEs of $14,753 and $11,824 at June 30, 2024 and December 31, 2023, respectively)		86,188	64,230
Mortgage notes payable, net (amounts related to VIEs of $3,279,606 and $3,277,185 at June 30, 2024 and December 31, 2023, respectively)		4,371,478	4,166,379
Lease liabilities - finance leases (amounts related to VIEs of $20,864 and $20,794 at June 30, 2024 and December 31, 2023, respectively)		375,601	417,961
Lease liabilities - operating leases (amounts related to VIEs of $151,643 and $145,826 at June 30, 2024 and December 31, 2023, respectively)		385,842	350,391
Accounts payable and accrued expenses (amounts related to VIEs of $103,662 and $59,667 at June 30, 2024 and December 31, 2023, respectively)		372,484	458,329
Other liabilities (amounts related to VIEs of $95,202 and $115,275 at June 30, 2024 and December 31, 2023, respectively)		$ 398,525	$ 445,947
Reedemable deferred stock units, units		128,584	119,471
Limited Partners' Capital Account, Units Outstanding (in units)		155,335,500
General Partners' Capital Account, Units Outstanding (in units)		1,762,341
Excess stock, par value		$ 0.01	$ 0.01
Excess stock, shares authorized		150,000,000	150,000,000
Excess stock, shares outstanding		0	0
Excess stock, shares issued		0	0
Preferred stock, par value		$ 0.01	$ 0.01
Preferred stock, shares authorized		50,000,000	50,000,000
Preferred stock / units, shares / units issued (in shares / units)		0	0
Preferred stock / units, shares / units outstanding (in shares / units)		0	0
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Common stock, shares authorized		250,000,000	250,000,000
Common stock, shares issued		157,176,741	157,019,766
Common Stock, Shares, Outstanding		157,097,841	156,940,866
Treasury common stock at cost, shares		78,900	78,900
Boston Properties Limited Partnership
Real estate, at cost (amounts related to variable interest entities (“VIEs”) of $7,490,887 and $7,054,075 at June 30, 2024 and December 31, 2023, respectively)		$ 26,907,229	$ 26,382,944
Right of use assets - finance leases (amounts related to VIEs of $21,000 and $21,000 at June 30, 2024 and December 31, 2023, respectively)		372,896	401,680
Right of use assets - operating leases (amounts related to VIEs of $149,605 and $158,885 at June 30, 2024 and December 31, 2023, respectively)	[1]	344,292	324,298
Less: accumulated depreciation (amounts related to VIEs of $(1,570,934) and $(1,501,483) at June 30, 2024 and December 31, 2023, respectively)		(7,071,799)	(6,758,361)
Cash and cash equivalents (amounts related to VIEs of $378,992 and $245,317 at June 30, 2024 and December 31, 2023, respectively)		685,376	1,531,477
Cash held in escrows (amounts related to VIEs of $6,805 and $22,160 at June 30, 2024 and December 31, 2023, respectively)		52,125	81,090
Tenant and other receivables, net (amounts related to VIEs of $17,481 and $27,987 at June 30, 2024 and December 31, 2023, respectively)		82,145	122,407
Accrued rental income, net (amounts related to VIEs of $416,840 and $401,159 at June 30, 2024 and December 31, 2023, respectively)		1,414,622	1,355,212
Deferred charges, net (amounts related to VIEs of $193,650 and $175,383 at June 30, 2024 and December 31, 2023, respectively)		800,099	760,421
Prepaid expenses and other assets (amounts related to VIEs of $14,753 and $11,824 at June 30, 2024 and December 31, 2023, respectively)		86,188	64,230
Mortgage notes payable, net (amounts related to VIEs of $3,279,606 and $3,277,185 at June 30, 2024 and December 31, 2023, respectively)		4,371,478	4,166,379
Lease liabilities - finance leases (amounts related to VIEs of $20,864 and $20,794 at June 30, 2024 and December 31, 2023, respectively)		375,601	417,961
Lease liabilities - operating leases (amounts related to VIEs of $151,643 and $145,826 at June 30, 2024 and December 31, 2023, respectively)		385,842	350,391
Accounts payable and accrued expenses (amounts related to VIEs of $103,662 and $59,667 at June 30, 2024 and December 31, 2023, respectively)		372,484	458,329
Other liabilities (amounts related to VIEs of $95,202 and $115,275 at June 30, 2024 and December 31, 2023, respectively)		$ 398,525	$ 445,947
Reedemable deferred stock units, units		128,584	119,471
Limited Partners' Capital Account, Units Outstanding (in units)		155,335,500	155,185,716
General Partners' Capital Account, Units Outstanding (in units)		1,762,341	1,755,150
NonControlling Interest Redeemable Partnership Units Common Units Shares Outstanding		16,454,712	16,508,277
NonControlling Interest Redeemable Partnership Units Common Units Long Term Incentive Units At Redemption Value Shares Outstanding		2,681,580	2,065,861
Variable Interest Entity, Primary Beneficiary [Member]
Real estate, at cost (amounts related to variable interest entities (“VIEs”) of $7,490,887 and $7,054,075 at June 30, 2024 and December 31, 2023, respectively)		$ 7,490,887	$ 7,054,075
Right of use assets - finance leases (amounts related to VIEs of $21,000 and $21,000 at June 30, 2024 and December 31, 2023, respectively)		21,000	21,000
Right of use assets - operating leases (amounts related to VIEs of $149,605 and $158,885 at June 30, 2024 and December 31, 2023, respectively)		149,605	158,885
Less: accumulated depreciation (amounts related to VIEs of $(1,570,934) and $(1,501,483) at June 30, 2024 and December 31, 2023, respectively)		(1,570,934)	(1,501,483)
Cash and cash equivalents (amounts related to VIEs of $378,992 and $245,317 at June 30, 2024 and December 31, 2023, respectively)		378,992	245,317
Cash held in escrows (amounts related to VIEs of $6,805 and $22,160 at June 30, 2024 and December 31, 2023, respectively)		6,805	22,160
Tenant and other receivables, net (amounts related to VIEs of $17,481 and $27,987 at June 30, 2024 and December 31, 2023, respectively)		17,481	27,987
Accrued rental income, net (amounts related to VIEs of $416,840 and $401,159 at June 30, 2024 and December 31, 2023, respectively)		416,840	401,159
Deferred charges, net (amounts related to VIEs of $193,650 and $175,383 at June 30, 2024 and December 31, 2023, respectively)		193,650	175,383
Prepaid expenses and other assets (amounts related to VIEs of $14,753 and $11,824 at June 30, 2024 and December 31, 2023, respectively)		14,753	11,824
Mortgage notes payable, net (amounts related to VIEs of $3,279,606 and $3,277,185 at June 30, 2024 and December 31, 2023, respectively)		3,279,606	3,277,185
Lease liabilities - finance leases (amounts related to VIEs of $20,864 and $20,794 at June 30, 2024 and December 31, 2023, respectively)		20,864	20,794
Lease liabilities - operating leases (amounts related to VIEs of $151,643 and $145,826 at June 30, 2024 and December 31, 2023, respectively)		151,643	145,826
Accounts payable and accrued expenses (amounts related to VIEs of $103,662 and $59,667 at June 30, 2024 and December 31, 2023, respectively)		103,662	59,667
Other liabilities (amounts related to VIEs of $95,202 and $115,275 at June 30, 2024 and December 31, 2023, respectively)		95,202	115,275
Variable Interest Entity, Primary Beneficiary [Member] | Boston Properties Limited Partnership
Real estate, at cost (amounts related to variable interest entities (“VIEs”) of $7,490,887 and $7,054,075 at June 30, 2024 and December 31, 2023, respectively)		7,490,887	7,054,075
Right of use assets - finance leases (amounts related to VIEs of $21,000 and $21,000 at June 30, 2024 and December 31, 2023, respectively)		21,000	21,000
Right of use assets - operating leases (amounts related to VIEs of $149,605 and $158,885 at June 30, 2024 and December 31, 2023, respectively)		149,605	158,885
Less: accumulated depreciation (amounts related to VIEs of $(1,570,934) and $(1,501,483) at June 30, 2024 and December 31, 2023, respectively)		(1,570,934)	(1,501,483)
Cash and cash equivalents (amounts related to VIEs of $378,992 and $245,317 at June 30, 2024 and December 31, 2023, respectively)		378,992	245,317
Cash held in escrows (amounts related to VIEs of $6,805 and $22,160 at June 30, 2024 and December 31, 2023, respectively)		6,805	22,160
Tenant and other receivables, net (amounts related to VIEs of $17,481 and $27,987 at June 30, 2024 and December 31, 2023, respectively)		17,481	27,987
Accrued rental income, net (amounts related to VIEs of $416,840 and $401,159 at June 30, 2024 and December 31, 2023, respectively)		416,840	401,159
Deferred charges, net (amounts related to VIEs of $193,650 and $175,383 at June 30, 2024 and December 31, 2023, respectively)		193,650	175,383
Prepaid expenses and other assets (amounts related to VIEs of $14,753 and $11,824 at June 30, 2024 and December 31, 2023, respectively)		14,753	11,824
Mortgage notes payable, net (amounts related to VIEs of $3,279,606 and $3,277,185 at June 30, 2024 and December 31, 2023, respectively)		3,279,606	3,277,185
Lease liabilities - finance leases (amounts related to VIEs of $20,864 and $20,794 at June 30, 2024 and December 31, 2023, respectively)		20,864	20,794
Lease liabilities - operating leases (amounts related to VIEs of $151,643 and $145,826 at June 30, 2024 and December 31, 2023, respectively)		151,643	145,826
Accounts payable and accrued expenses (amounts related to VIEs of $103,662 and $59,667 at June 30, 2024 and December 31, 2023, respectively)		103,662	59,667
Other liabilities (amounts related to VIEs of $95,202 and $115,275 at June 30, 2024 and December 31, 2023, respectively)		$ 95,202	$ 115,275

[1] See Note 4.