Segment Information (Tables)

9 Months Ended

Sep. 30, 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 three months ended September 30, 2013:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	171,228		$	198,450		$	15,636		$	53,841		$	97,925		$	537,080
Office/Technical	5,662			—			—			5,839			3,877			15,378
Residential	1,125			—			—			—			4,368			5,493
Hotel	10,652			—			—			—			—			10,652
Total	188,667			198,450			15,636			59,680			106,170			568,603
% of Grand Totals	33.18		%	34.90		%	2.75		%	10.50		%	18.67		%	100.0		%
Rental Expenses:
Class A Office	67,798			66,322			7,033			20,006			32,170			193,329
Office/Technical	1,763			—			—			1,287			1,064			4,114
Residential	466			—			—			—			2,441			2,907
Hotel	6,580			—			—			—			—			6,580
Total	76,607			66,322			7,033			21,293			35,675			206,930
% of Grand Totals	37.02		%	32.05		%	3.40		%	10.29		%	17.24		%	100.0		%
Net operating income	$	112,060		$	132,128		$	8,603		$	38,387		$	70,495		$	361,673
% of Grand Totals	30.98		%	36.53		%	2.38		%	10.62		%	19.49		%	100.0		%

For the three months ended September 30, 2012:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	161,479		$	120,270		$	15,234		$	52,585		$	84,447		$	434,015
Office/Technical	5,539			—			—			148			4,099			9,786
Residential	995			—			—			—			4,501			5,496
Hotel	9,359			—			—			—			—			9,359
Total	177,372			120,270			15,234			52,733			93,047			458,656
% of Grand Totals	38.67		%	26.22		%	3.32		%	11.50		%	20.29		%	100.0		%
Rental Expenses:
Class A Office	65,261			41,088			6,790			19,530			27,419			160,088
Office/Technical	1,758			—			—			52			941			2,751
Residential	490			—			—			—			2,364			2,854
Hotel	6,886			—			—			—			—			6,886
Total	74,395			41,088			6,790			19,582			30,724			172,579
% of Grand Totals	43.11		%	23.81		%	3.93		%	11.35		%	17.80		%	100.0		%
Net operating income	$	102,977		$	79,182		$	8,444		$	33,151		$	62,323		$	286,077
% of Grand Totals	36.00		%	27.68		%	2.95		%	11.59		%	21.78		%	100.0		%

For the nine months ended September 30, 2013:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	497,584		$	463,851		$	46,916		$	159,843		$	289,831		$	1,458,025
Office/Technical	16,853			—			—			11,317			11,951			40,121
Residential	3,257			—			—			—			13,298			16,555
Hotel	30,061			—			—			—			—			30,061
Total	547,755			463,851			46,916			171,160			315,080			1,544,762
% of Grand Totals	35.46		%	30.02		%	3.04		%	11.08		%	20.40		%	100.0		%
Rental Expenses:
Class A Office	196,710			156,414			21,386			58,036			95,485			528,031
Office/Technical	5,177			—			—			2,439			3,095			10,711
Residential	1,316			—			—			—			7,154			8,470
Hotel	20,959			—			—			—			—			20,959
Total	224,162			156,414			21,386			60,475			105,734			568,171
% of Grand Totals	39.45		%	27.53		%	3.77		%	10.64		%	18.61		%	100.0		%
Net operating income	$	323,593		$	307,437		$	25,530		$	110,685		$	209,346		$	976,591
% of Grand Totals	33.14		%	31.48		%	2.61		%	11.33		%	21.44		%	100.0		%

For the nine months ended September 30, 2012:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	460,127		$	360,515		$	45,701		$	155,353		$	258,311		$	1,280,007
Office/Technical	16,882			—			—			344			12,245			29,471
Residential	2,891			—			—			—			12,122			15,013
Hotel	26,224			—			—			—			—			26,224
Total	506,124			360,515			45,701			155,697			282,678			1,350,715
% of Grand Totals	37.47		%	26.69		%	3.38		%	11.53		%	20.93		%	100.0		%
Rental Expenses:
Class A Office	183,601			118,531			20,889			56,496			81,613			461,130
Office/Technical	4,910			—			—			114			2,952			7,976
Residential	1,247			—			—			—			6,896			8,143
Hotel	19,601			—			—			—			—			19,601
Total	209,359			118,531			20,889			56,610			91,461			496,850
% of Grand Totals	42.14		%	23.86		%	4.20		%	11.39		%	18.41		%	100.0		%
Net operating income	$	296,765		$	241,984		$	24,812		$	99,087		$	191,217		$	853,865
% of Grand Totals	34.76		%	28.34		%	2.91		%	11.60		%	22.39		%	100.0		%

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.:

	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013				2012
Net Operating Income	$	361,673		$	286,077		$	976,591			$	853,865
Add:
Development and management services income	5,479			8,024			22,072				25,733
Income from unconsolidated joint ventures	14,736			9,217			72,240				42,129
Gains on consolidation of joint ventures	(1,810		)	—			385,991				—
Interest and other income	3,879			4,001			6,646				8,029
Gains from investments in securities	956			587			1,872				1,202
Gains (losses) from early extinguishments of debt	(30		)	(5,494		)	122				(4,453		)
Income from discontinued operations	1,078			1,550			5,597			—	5,596
Gains on sales of real estate from discontinued operations	86,448			—			86,448				36,877
Gain on forgiveness of debt from discontinued operations	—			—			20,182				—
Less:
General and administrative expense	24,841			21,617			94,673				72,208
Transaction costs	766			1,140			1,744				3,252
Depreciation and amortization expense	154,193			110,653			408,923				329,819
Interest expense	122,173			105,030			325,746			—	308,168
Impairment loss	—			—			8,306				—
Impairment loss from discontinued operations	—			—			3,241				—
Noncontrolling interest in property partnerships	(3,279		)	458			(924		)	—	1,461
Noncontrolling interest—redeemable preferred units of the Operating Partnership	1,082			874			3,385			—	2,440
Noncontrolling interest—common units of the Operating Partnership	8,399			6,779			63,135			—	22,735
Noncontrolling interest in discontinued operations—common units of the Operating Partnership	8,910			162			11,260			—	4,651
Net income attributable to Boston Properties, Inc.	$	155,324		$	57,249		$	658,272			$	224,244