Earnings Per Share / Common Unit (Tables)

9 Months Ended

Sep. 30, 2016

Computation Of Basic And Diluted Earnings Per Share



	Three Months Ended September 30, 2016
	Income (Numerator)		Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	76,753	153,754	$	0.50
Effect of Dilutive Securities:
Stock Based Compensation	—		382	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	76,753	154,136	$	0.50



	Three Months Ended September 30, 2015
	Income (Numerator)			Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	184,082		153,595	$	1.20
Allocation of undistributed earnings to participating securities	(221		)	—	—
Net income attributable to Boston Properties, Inc. common shareholders	$	183,861		153,595	$	1.20
Effect of Dilutive Securities:
Stock Based Compensation	—			191	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	183,861		153,786	$	1.20

	Nine Months Ended September 30, 2016
	Income (Numerator)			Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	355,114		153,681	$	2.31
Allocation of undistributed earnings to participating securities	(189		)	—	—
Net income attributable to Boston Properties, Inc. common shareholders	$	354,925		153,681	$	2.31
Effect of Dilutive Securities:
Stock Based Compensation	—			290	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	354,925		153,971	$	2.31

	Nine Months Ended September 30, 2015
	Income (Numerator)			Shares (Denominator)	Per Share Amount
	(in thousands, except for per share amounts)
Basic Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	434,702		153,426	$	2.83
Allocation of undistributed earnings to participating securities	(361		)	—	—
Net income attributable to Boston Properties, Inc. common shareholders	$	434,341		153,426	$	2.83
Effect of Dilutive Securities:
Stock Based Compensation	—			399	(0.01		)
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	434,341		153,825	$	2.82

Boston Properties Limited Partnership

Entity Information [Line Items]

Computation Of Basic And Diluted Earnings Per Share



	Three Months Ended September 30, 2016
	Income (Numerator)		Units (Denominator)	Per Unit Amount
	(in thousands, except for per unit amounts)
Basic Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	91,306	171,379	$	0.53
Effect of Dilutive Securities:
Stock Based Compensation	—		382	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	91,306	171,761	$	0.53



	Three Months Ended September 30, 2015
	Income (Numerator)			Units (Denominator)	Per Unit Amount
	(in thousands, except for per unit amounts)
Basic Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	207,626		171,160	$	1.21
Allocation of undistributed earnings to participating securities	(246		)	—	—
Net income attributable to Boston Properties Limited Partnership common unitholders	$	207,380		171,160	$	1.21
Effect of Dilutive Securities:
Stock Based Compensation	—			191	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	207,380		171,351	$	1.21

	Nine Months Ended September 30, 2016
	Income (Numerator)			Units (Denominator)	Per Unit Amount
	(in thousands, except for per unit amounts)
Basic Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	408,540		171,353	$	2.38
Allocation of undistributed earnings to participating securities	(210		)	—	—
Net income attributable to Boston Properties Limited Partnership common unitholders	$	408,330		171,353	$	2.38
Effect of Dilutive Securities:
Stock Based Compensation	—			290	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	408,330		171,643	$	2.38

	Nine Months Ended September 30, 2015
	Income (Numerator)			Units (Denominator)	Per Unit Amount
	(in thousands, except for per unit amounts)
Basic Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	491,847		171,131	$	2.87
Allocation of undistributed earnings to participating securities	(402		)	—	—
Net income attributable to Boston Properties Limited Partnership common unitholders	$	491,445		171,131	$	2.87
Effect of Dilutive Securities:
Stock Based Compensation	—			399	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	491,445		171,530	$	2.87