Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

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 March 31, 2014:

	Boston			New York			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	170,942		$	217,308		$	54,608		$	97,048		$	539,906
Office/Technical	5,820			—			6,217			3,660			15,697
Residential	1,163			—			—			4,519			5,682
Hotel	8,193			—			—			—			8,193
Total	186,118			217,308			60,825			105,227			569,478
% of Grand Totals	32.68		%	38.16		%	10.68		%	18.48		%	100.0		%
Rental Expenses:
Class A Office	71,398			74,371			19,313			33,439			198,521
Office/Technical	1,689			—			1,214			1,202			4,105
Residential	448			—			—			3,314			3,762
Hotel	6,797			—			—			—			6,797
Total	80,332			74,371			20,527			37,955			213,185
% of Grand Totals	37.68		%	34.89		%	9.63		%	17.80		%	100.0		%
Net operating income	$	105,786		$	142,937		$	40,298		$	67,272		$	356,293
% of Grand Totals	29.69		%	40.12		%	11.31		%	18.88		%	100.0		%

For the three months ended March 31, 2013:

	Boston			New York			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	160,824		$	138,523		$	52,671		$	93,359		$	445,377
Office/Technical	5,653			—			151			4,043			9,847
Residential	1,067			—			—			4,511			5,578
Hotel	8,291			—			—			—			8,291
Total	175,835			138,523			52,822			101,913			469,093
% of Grand Totals	37.48		%	29.53		%	11.26		%	21.73		%	100.0		%
Rental Expenses:
Class A Office	65,287			49,088			18,373			30,755			163,503
Office/Technical	1,787			—			35			1,004			2,826
Residential	443			—			—			2,290			2,733
Hotel	7,044			—			—			—			7,044
Total	74,561			49,088			18,408			34,049			176,106
% of Grand Totals	42.35		%	27.87		%	10.45		%	19.33		%	100.0		%
Net operating income	$	101,274		$	89,435		$	34,414		$	67,864		$	292,987
% of Grand Totals	34.57		%	30.53		%	11.75		%	23.15		%	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 March 31,
	2014		2013
	(in thousands)
Net Operating Income	$	356,293	$	292,987
Add:
Development and management services income	5,216		8,733
Income from unconsolidated joint ventures	2,816		8,721
Interest and other income	1,311		1,471
Gains from investments in securities	286		735
Income from discontinued operations	—		2,494
Gain on forgiveness of debt from discontinued operations	—		20,182
Less:
General and administrative expense	29,905		45,516
Transaction costs	437		443
Depreciation and amortization expense	154,270		119,453
Interest expense	113,554		100,433
Impairment loss	—		8,306
Impairment loss from discontinued operations	—		3,241
Noncontrolling interest in property partnerships	4,354		2,574
Noncontrolling interest—redeemable preferred units of the Operating Partnership	619		1,180
Noncontrolling interest—common units of the Operating Partnership	6,160		4,111
Noncontrolling interest in discontinued operations—common units of the Operating Partnership	—		2,066
Net income attributable to Boston Properties, Inc.	$	56,623	$	48,000