Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Information

Schedule of property level information by geographic region and property type, property square feet

	As of September 30,
	2013	2012
Square feet (in thousands):
CBD properties	20,930	20,166
Suburban properties	17,965	41,567
Total properties	38,895	61,733

Schedule of property level information by geographic region and property type, property rental income and net operating income

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Rental income:
CBD properties	$	136,228	$	130,193	$	413,550	$	383,245
Suburban properties	65,513		96,609		285,657		279,342
Total properties	$	201,741	$	226,802	$	699,207	$	662,587
NOI:
CBD properties	$	68,663	$	70,208	$	220,182	$	210,250
Suburban properties	38,446		64,589		191,375		187,110
Total properties	$	107,109	$	134,797	$	411,557	$	397,360

Schedule of reconciliation of NOI to net income

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Rental income	$	201,741		$	226,802		$	699,207		$	662,587
Operating expenses	(94,632		)	(92,005		)	(287,650		)	(265,227		)
NOI	$	107,109		$	134,797		$	411,557		$	397,360
NOI	$	107,109		$	134,797		$	411,557		$	397,360
Depreciation and amortization	(52,150		)	(52,353		)	(169,930		)	(154,623		)
General and administrative	(25,069		)	(12,565		)	(61,445		)	(34,190		)
Acquisition related costs	436			(1,066		)	(337		)	(5,002		)
Operating income	30,326			68,813			179,845			203,545
Interest and other income	227			399			931			1,020
Interest expense	(39,359		)	(50,736		)	(134,824		)	(148,924		)
Loss on early extinguishment of debt	—			(220		)	(60,027		)	(287		)
Equity in earnings of investees	10,492			2,868			14,913			8,655
Gain on sale of equity investment	—			—			66,293			—
Income from continuing operations before income tax expense	1,686			21,124			67,131			64,009
Income tax expense	(785		)	(1,322		)	(2,527		)	(1,906		)
Income from continuing operations	901			19,802			64,604			62,103
(Loss) income from discontinued operations	(28		)	774			4,390			4,891
Loss on asset impairment from discontinued operations	(217,080		)	—			(225,615		)	—
Loss on early extinguishment of debt from discontinued operations	—			—			—			(1,608		)
Net gain on sale of properties from discontinued operations	—			1,689			3,359			2,039
(Loss) income before gain on sale of properties	(216,207		)	22,265			(153,262		)	67,425
Gain on sale of properties	—			—			1,596			—
Net (loss) income	$	(216,207	)	$	22,265		$	(151,666	)	$	67,425