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Stockholders' Equity / Partners' Capital Stockholders' Equity / Partners' Capital Dividends / Distributions (Details) - $ / shares	May 16, 2016	Apr. 29, 2016	Feb. 16, 2016	Jan. 28, 2016		Jun. 16, 2016
Entity Information [Line Items]
Dividends Payable, Amount Per Share / Unit						$ 0.65
Dividends, Per Share / Unit		$ 0.65		$ 1.90	[1]
Special dividend / distribution (per share / common unit amount)				1.25
Boston Properties Limited Partnership
Entity Information [Line Items]
Dividends Payable, Amount Per Share / Unit						0.65
Dividends, Per Share / Unit		$ 0.65		1.90	[1]
Special dividend / distribution (per share / common unit amount)				$ 1.25
Series B Cumulative Redeemable Preferred Stock [Member]
Entity Information [Line Items]
Dividends Payable, Amount Per Share / Unit						$ 32.8125
Dividends, Per Share / Unit	$ 32.8125		$ 32.8125
[1] Includes a special dividend/distribution of $1.25 per share/OP Unit and LTIP Unit.

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Special dividend / distribution (per share / common unit amount)

+ References

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Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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