Earnings Per Share / Common Unit (Tables)

3 Months Ended

Mar. 31, 2020

Computation Of Basic And Diluted Earnings Per Share / Unit



	Three months ended March 31, 2020
	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	$	497,496		155,011	$	3.21
Allocation of undistributed earnings to participating securities	(1,011		)	—	(0.01		)
Net income attributable to Boston Properties, Inc. common shareholders	$	496,485		155,011	$	3.20
Effect of Dilutive Securities:
Stock Based Compensation	—			247	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	496,485		155,258	$	3.20

	Three months ended March 31, 2019
	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	$	98,105		154,525	$	0.63
Effect of Dilutive Securities:
Stock Based Compensation	—			319	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	98,105		154,844	$	0.63

Boston Properties Limited Partnership

Entity Information [Line Items]

Computation Of Basic And Diluted Earnings Per Share / Unit

Included in the number of units (the denominator) below are approximately 17,538,000 and 17,606,000 redeemable common units for the three months ended March 31, 2020 and 2019, respectively.



	Three months ended March 31, 2020
	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	$	566,333		172,549	$	3.28
Allocation of undistributed earnings to participating securities	(1,126		)	—	—
Net income attributable to Boston Properties Limited Partnership common unitholders	$	565,207		172,549	$	3.28
Effect of Dilutive Securities:
Stock Based Compensation	—			247	(0.01		)
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	565,207		172,796	$	3.27



	Three months ended March 31, 2019
	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	$	113,382	172,131	$	0.66
Effect of Dilutive Securities:
Stock Based Compensation	—		319	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	113,382	172,450	$	0.66