Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue
Base rent	$ 486,609	$ 463,239	$ 977,291	$ 918,257
Recoveries from tenants	86,795	81,382	175,388	163,316
Parking and other	26,552	26,300	51,340	50,633
Total rental revenue	599,956	570,921	1,204,019	1,132,206
Hotel revenue	13,403	12,367	22,488	20,560
Development and management services	4,862	6,506	10,190	11,722
Total revenue	618,221	589,794	1,236,697	1,164,488
Expenses
Rental	214,464	202,646	435,814	409,034
Hotel	8,495	7,315	16,071	14,112
General and administrative	22,284	23,271	51,075	53,176
Transaction costs	208	661	535	1,098
Depreciation and amortization	167,844	154,628	322,067	308,898
Total expenses	413,295	388,521	825,562	786,318
Operating income	204,926	201,273	411,135	378,170
Other income (expense)
Income from unconsolidated joint ventures	3,078	2,834	17,912	5,650
Interest and other income	1,293	2,109	2,700	3,420
Gains (losses) from investments in securities	(24)	662	369	948
Interest expense	(108,534)	(110,977)	(217,291)	(224,531)
Income before gains on sales of real estate	100,739	95,901	214,825	163,657
Gains on sales of real estate	0	0	95,084	0
Net income	100,739	95,901	309,909	163,657
Net income attributable to noncontrolling interests
Noncontrolling interests in property partnerships	(9,264)	(7,553)	(24,472)	(11,907)
Noncontrolling interest—redeemable preferred units of the Operating Partnership	(3)	(320)	(6)	(939)
Noncontrolling interest—common units of the Operating Partnership	(9,394)	(8,883)	(29,530)	(15,010)
Net income attributable to Boston Properties, Inc.	82,078	79,145	255,901	135,801
Preferred dividends	(2,618)	(2,618)	(5,207)	(5,207)
Net income attributable to Boston Properties, Inc. common shareholders	$ 79,460	$ 76,527	$ 250,694	$ 130,594
Basic earnings per common share attributable to Boston Properties, Inc. common shareholders:
Net income (in dollars per share)	$ 0.52	$ 0.50	$ 1.63	$ 0.85
Weighted average number of common shares outstanding	153,450	153,078	153,341	153,054
Diluted earnings per common share attributable to Boston Properties, Inc. common shareholders:
Diluted Earnings: Net income, Per Share Amount (in dollars per share)	$ 0.52	$ 0.50	$ 1.63	$ 0.85
Weighted average number of common and common equivalent shares outstanding (in shares)	153,815	153,238	153,845	153,203