Earnings Per Share / Common Unit (Tables)

6 Months Ended

Jun. 30, 2022

Entity Information [Line Items]

Computation Of Basic And Diluted Earnings Per Share / Unit

	Three months ended June 30, 2022
	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	$	222,989	156,720	$	1.42
Allocation of undistributed earnings to participating securities	(267)		—	—
Net income attributable to Boston Properties, Inc. common shareholders	222,722		156,720	1.42
Effect of Dilutive Securities:
Stock Based Compensation	—		472	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	222,722	157,192	$	1.42
	Three months ended June 30, 2021
	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	$	111,703	156,107	$	0.72
Effect of Dilutive Securities:
Stock Based Compensation	—		412	(0.01)
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	111,703	156,519	$	0.71

	Six months ended June 30, 2022
	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	$	366,044	156,685	$	2.33
Allocation of undistributed earnings to participating securities	(236)		—	—
Net income attributable to Boston Properties, Inc. common shareholders	365,808		156,685	2.33
Effect of Dilutive Securities:
Stock Based Compensation	—		413	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	365,808	157,098	$	2.33

	Six months ended June 30, 2021
	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	$	203,372	156,016	$	1.30
Effect of Dilutive Securities:
Stock Based Compensation	—		291	—
Diluted Earnings:
Net income attributable to Boston Properties, Inc. common shareholders	$	203,372	156,307	$	1.30

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 17,672,000 and 17,043,000 redeemable common units for the three months ended June 30, 2022 and 2021, respectively, and 17,638,000 and 17,018,000 redeemable common units for the six months ended June 30, 2022 and 2021, respectively.

	Three months ended June 30, 2022
	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	$	253,788	174,392	$	1.45
Allocation of undistributed earnings to participating securities	(297)		—	—
Net income attributable to Boston Properties, Inc. common shareholders	253,491		174,392	1.45
Effect of Dilutive Securities:
Stock Based Compensation	—		472	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	253,491	174,864	$	1.45

	Three months ended June 30, 2021
	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	$	125,846	173,150	$	0.73
Effect of Dilutive Securities:
Stock Based Compensation	—		412	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	125,846	173,562	$	0.73

	Six months ended June 30, 2022
	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	$	415,617	174,323	$	2.38
Allocation of undistributed earnings to participating securities	(263)		—	—
Net income attributable to Boston Properties Limited Partnership common unitholders	$	415,354	174,323	$	2.38
Effect of Dilutive Securities:
Stock Based Compensation	—		413	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	415,354	174,736	$	2.38
	Six months ended June 30, 2021
	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	$	231,619	173,034	$	1.34
Effect of Dilutive Securities:
Stock Based Compensation	—		291	—
Diluted Earnings:
Net income attributable to Boston Properties Limited Partnership common unitholders	$	231,619	173,325	$	1.34