Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Share

	For the three months ended March 31, 2014
	Income (Numerator)		Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Net income attributable to Boston Properties, Inc.	$	54,034	153,030	$	0.35
Effect of Dilutive Securities:
Stock Based Compensation	—		139	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	54,034	153,169	$	0.35
	For the three months ended March 31, 2013
	Income (Numerator)		Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Income from continuing operations attributable to Boston Properties, Inc.	$	30,485	151,646	$	0.20
Discontinued operations attributable to Boston Properties, Inc.	17,369		—	0.12
Net income attributable to Boston Properties, Inc. common shareholders	$	47,854	151,646	$	0.32
Effect of Dilutive Securities:
Stock Based Compensation and Exchangeable Senior Notes	—		306	(0.01		)
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	47,854	151,952	$	0.31