Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue
Base rent	$ 519,507	$ 503,562
Recoveries from tenants	95,118	89,164
Parking and other	26,134	25,610
Total rental revenue	640,759	618,336
Hotel revenue	9,102	7,420
Development and management services	8,405	6,472
Direct reimbursements of payroll and related costs from management services contracts	2,885	0
Total revenue	661,151	632,228
Expenses
Rental	240,329	228,287
Hotel	8,073	7,091
General and administrative	35,894	31,386
Payroll and related costs from management services contracts	2,885	0
Transaction costs	21	34
Depreciation and amortization	165,797	159,205
Total expenses	452,999	426,003
Operating income	208,152	206,225
Other income (expense)
Income from unconsolidated joint ventures	461	3,084
Interest and other income	1,648	614
Gains (losses) from investments in securities	(126)	1,042
Interest expense	(90,220)	(95,534)
Income before gains on sales of real estate	119,915	115,431
Gains on sales of real estate	96,397	133
Net income	216,312	115,564
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(17,234)	(4,424)
Noncontrolling interest—common units of Boston Properties Limited Partnership	(20,432)	(11,432)
Net income attributable to the Company	178,646	99,708
Preferred dividends / distributions	(2,625)	(2,625)
Net income attributable to the Company's common shareholders / unitholders	$ 176,021	$ 97,083
Basic earnings per common share / unit attributable to the Company's common shareholders / unitholders
Net income (in dollars per share / unit)	$ 1.14	$ 0.63
Weighted average number of common shares / units outstanding	154,385	153,860
Diluted earnings per common share / unit attributable to the Company's common shareholders / unitholders
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 1.14	$ 0.63
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	154,705	154,214
Dividends / Distributions, Per Share / Unit, Declared	$ 0.80	$ 0.75
Boston Properties Limited Partnership
Revenue
Base rent	$ 519,507	$ 503,562
Recoveries from tenants	95,118	89,164
Parking and other	26,134	25,610
Total rental revenue	640,759	618,336
Hotel revenue	9,102	7,420
Development and management services	8,405	6,472
Direct reimbursements of payroll and related costs from management services contracts	2,885	0
Total revenue	661,151	632,228
Expenses
Rental	240,329	228,287
Hotel	8,073	7,091
General and administrative	35,894	31,386
Payroll and related costs from management services contracts	2,885	0
Transaction costs	21	34
Depreciation and amortization	163,853	157,058
Total expenses	451,055	423,856
Operating income	210,096	208,372
Other income (expense)
Income from unconsolidated joint ventures	461	3,084
Interest and other income	1,648	614
Gains (losses) from investments in securities	(126)	1,042
Interest expense	(90,220)	(95,534)
Income before gains on sales of real estate	121,859	117,578
Gains on sales of real estate	98,907	133
Net income	220,766	117,711
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(17,234)	(4,424)
Net income attributable to the Company	203,532	113,287
Preferred dividends / distributions	(2,625)	(2,625)
Net income attributable to the Company's common shareholders / unitholders	$ 200,907	$ 110,662
Basic earnings per common share / unit attributable to the Company's common shareholders / unitholders
Net income (in dollars per share / unit)	$ 1.17	$ 0.64
Weighted average number of common shares / units outstanding	171,867	171,581
Diluted earnings per common share / unit attributable to the Company's common shareholders / unitholders
Diluted Earnings: Net income, Per Share Amount (in dollars per share / unit)	$ 1.17	$ 0.64
Weighted average number of common and common equivalent shares / units outstanding (in shares / units)	172,187	171,935
Dividends / Distributions, Per Share / Unit, Declared	$ 0.80	$ 0.75