Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule Of Segment Information By Geographic Area And Property Type

Information by geographic area and property type (dollars in thousands):

For the year ended December 31, 2013:

	Boston			New York			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	665,991		$	725,566		$	214,755		$	381,359		$	1,987,671
Office/Technical	22,617			—			17,259			15,649			55,525
Residential	4,395			—			—			17,923			22,318
Hotel	40,330			—			—			—			40,330
Total	733,333			725,566			232,014			414,931			2,105,844
% of Grand Totals	34.82		%	34.46		%	11.02		%	19.70		%	100.00		%
Rental Expenses:
Class A Office	259,997			251,640			77,905			126,507			716,049
Office/Technical	6,879			—			3,708			4,190			14,777
Residential	1,823			—			—			10,307			12,130
Hotel	28,447			—			—			—			28,447
Total	297,146			251,640			81,613			141,004			771,403
% of Grand Totals	38.52		%	32.62		%	10.58		%	18.28		%	100.00		%
Net operating income	$	436,187		$	473,926		$	150,401		$	273,927		$	1,334,441
% of Grand Totals	32.69		%	35.51		%	11.27		%	20.53		%	100.00		%

For the year ended December 31, 2012:

	Boston			New York			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	617,652		$	543,194		$	208,177		$	346,402		$	1,715,425
Office/Technical	22,460			—			494			16,264			39,218
Residential	3,936			—			—			16,632			20,568
Hotel	37,915			—			—			—			37,915
Total	681,963			543,194			208,671			379,298			1,813,126
% of Grand Totals	37.61		%	29.96		%	11.51		%	20.92		%	100.00		%
Rental Expenses:
Class A Office	242,904			187,987			75,542			111,049			617,482
Office/Technical	6,499			—			149			3,966			10,614
Residential	1,675			—			—			9,317			10,992
Hotel	28,120			—			—			—			28,120
Total	279,198			187,987			75,691			124,332			667,208
% of Grand Totals	41.85		%	28.18		%	11.34		%	18.63		%	100.00		%
Net operating income	$	402,765		$	355,207		$	132,980		$	254,966		$	1,145,918
% of Grand Totals	35.15		%	31.00		%	11.60		%	22.25		%	100.00		%

For the year ended December 31, 2011:

	Boston			New York			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	537,743		$	521,439		$	207,003		$	340,470		$	1,606,655
Office/Technical	25,349			—			—			16,236			41,585
Residential	985			—			—			5,632			6,617
Hotel	34,529			—			—			—			34,529
Total	598,606			521,439			207,003			362,338			1,689,386
% of Grand Totals	35.43		%	30.87		%	12.25		%	21.45		%	100.00		%
Rental Expenses:
Class A Office	206,469			181,269			72,122			95,804			555,664
Office/Technical	7,245			—			—			4,280			11,525
Residential	521			—			—			4,958			5,479
Hotel	26,128			—			—			—			26,128
Total	240,363			181,269			72,122			105,042			598,796
% of Grand Totals	40.14		%	30.27		%	12.05		%	17.54		%	100.00		%
Net operating income	$	358,243		$	340,170		$	134,881		$	257,296		$	1,090,590
% of Grand Totals	32.85		%	31.19		%	12.37		%	23.59		%	100.00		%

Schedule Of Reconciliation Of Net Operating Income To Net Income

The following is a reconciliation of Net Operating Income to net income attributable to Boston Properties, Inc.:

	Year ended December 31,
		2013		2012			2011
Net Operating Income		$	1,334,441	$	1,145,918		$	1,090,590
Add:
Development and management services income		29,695		34,060			33,406
Income from unconsolidated joint ventures		75,074		49,078			85,896
Gains on consolidation of joint ventures		385,991		—			—
Interest and other income		8,310		10,091			5,358
Gains (losses) from investments in securities		2,911		1,389			(443		)
Gains (losses) from early extinguishments of debt		122		(4,453		)	(1,494		)
Income from discontinued operations		8,022		9,806			10,876
Gains on sales of real estate from discontinued operations		112,829		36,877			—
Gain on forgiveness of debt from discontinued operations		20,182		—			—
Less:
General and administrative expense		115,329		90,129			87,101
Transaction costs		1,744		3,653			1,987
Depreciation and amortization expense		560,637		445,875			429,742
Interest expense		446,880		410,970			391,533
Impairment loss		8,306		—			—
Impairment loss from discontinued operations		3,241		—			—
Noncontrolling interest in property partnerships		1,347		3,792			1,558
Noncontrolling interest—redeemable preferred units of the Operating Partnership		6,046		3,497			3,339
Noncontrolling interest—common units of the Operating Partnership		70,085		30,125			35,007
Noncontrolling interest in discontinued operations—common units of the Operating Partnership		14,151		5,075			1,243
Net income attributable to Boston Properties, Inc.		$	749,811	$	289,650		$	272,679