Real Estate (Tables)

12 Months Ended

Dec. 31, 2012

Real Estate Properties [Line Items]

Schedule of Property Subject to or Available for Operating Lease [Table Text Block]

Real estate consisted of the following at December 31 (in thousands):

	2012			2011
Land	$	2,605,162		$	2,356,522
Land held for future development	275,094			266,822
Buildings and improvements	9,517,343			8,658,468
Tenant improvements	1,435,508			1,262,616
Furniture, fixtures and equipment	23,441			26,359
Construction in progress	1,036,780			818,685
Total	14,893,328			13,389,472
Less: Accumulated depreciation	(2,934,160		)	(2,642,986		)
	$	11,959,168		$	10,746,486

Pro Forma In Connection With Acquisition

The accompanying unaudited pro forma information for the years ended December 31, 2012 and 2011 is presented as if the operating property acquisitions of (1) 453 Ravendale Drive on March 1, 2012, (2) 100 Federal Street on March 13, 2012 and (3) Fountain Square on October 4, 2012, had occurred on January 1, 2011. This unaudited pro forma information is based upon the historical consolidated financial statements and should be read in conjunction with the consolidated financial statements and notes thereto. This pro forma information does not purport to represent what the actual results of operations of the Company would have been had the above occurred, nor do they purport to predict the results of operations of future periods.

Pro Forma (Unaudited)	Year ended December 31,
(in thousands, except per share data)	2012		2011
Total revenue	$	1,917,292	$	1,852,446
Income from continuing operations	$	292,089	$	315,753
Net income attributable to Boston Properties, Inc.	$	282,737	$	269,501
Basic earnings per share:
Net income per share attributable to Boston Properties, Inc.	$	1.88	$	1.85
Diluted earnings per share:
Net income per share attributable to Boston Properties, Inc.	$	1.88	$	1.84

Summary Of The Discontinued Operations Related To Bedford Business Park

The following table summarizes the income from discontinued operations related to Bedford Business Park and the related gain on sale of real estate for the years ended December 31, 2012, 2011 and 2010:

	For the year ended December 31,
	2012			2011			2010
	(in thousands)
Total revenue	$	3,526		$	8,206		$	7,494
Expenses
Operating	1,510			3,753			3,540
Depreciation and amortization	976			2,572			2,512
Total expenses	2,486			6,325			6,052
Income from discontinued operations	$	1,040		$	1,881		$	1,442
Noncontrolling interest in income from discontinued operations – common units of the Operating Partnership	(109		)	(215		)	(184		)
Income from discontinued operations attributable to Boston Properties, Inc.	$	931		$	1,666		$	1,258
Gain on sale of real estate from discontinued operations	$	36,877		$	—		$	—
Noncontrolling interest in gain on sale of real estate from discontinued operations – common units of the Operating Partnership	(4,045		)	—			—
Gain on sale of real estate from discontinued operations attributable to Boston Properties, Inc.	$	32,832		$	—		$	—

680 Folsom Street [Member]

Real Estate Properties [Line Items]

Schedule Of Allocation Of The Aggregate Purchase Price Of Acquisition

he following table summarizes the allocation of the aggregate purchase price of 680 Folsom Street at the date of acquisition (in thousands).

Construction in progress	$	117,046
Land held for future development	3,058
In-place lease intangibles	32,799
Deferred financing costs	245
Prepaid expenses and other assets	7,473
Accounts payable and accrued expenses	(14,502		)
Net assets acquired	$	146,119

453 Ravendale Drive [Member]

Real Estate Properties [Line Items]

Schedule Of Allocation Of The Aggregate Purchase Price Of Acquisition

The following table summarizes the allocation of the aggregate purchase price of 453 Ravendale Drive at the date of acquisition (in thousands).

Land	$	5,477
Building and improvements	974
Tenant improvements	116
In-place lease intangibles	223
Below-market rents	(140		)
Net assets acquired	$	6,650

100 Federal Street [Member]

Real Estate Properties [Line Items]

Schedule Of Allocation Of The Aggregate Purchase Price Of Acquisition

The following table summarizes the allocation of the aggregate purchase price of 100 Federal Street at the date of acquisition (in thousands).

Land	$	131,067
Building and improvements	387,321
Tenant improvements	48,633
In-place lease intangibles	69,530
Above-market rents	81
Other assets	4,800
Below-market rents	(22,515		)
Accounts payable and accrued expenses	(3,917		)
Net assets acquired	$	615,000

Fountain Square [Member]

Real Estate Properties [Line Items]

Schedule Of Allocation Of The Aggregate Purchase Price Of Acquisition

The following table summarizes the allocation of the aggregate purchase price of Fountain Square at the date of acquisition (in thousands).

Land	$	56,853
Building and improvements	274,735
Tenant improvements	31,563
In-place lease intangibles	41,256
Other assets	35,774
Above market rents	6,240
Below market rents	(7,089		)
Above market assumed debt adjustment	(23,122		)
Other liabilities	(6,194		)
Total aggregate consideration	$	410,016
Less: Indebtedness assumed	(211,250		)
Redeemable noncontrolling interest	(98,787		)
Net assets acquired	$	99,979