Segment Information (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Schedule of Property Level Information by Operating Segment

Property level information by operating segment as of September 30, 2015, and for the three and nine months ended September 30, 2015 and 2014, is as follows (in thousands):

	As of September 30,
	2015	2014
Square feet:
CBD properties	13,975	21,892
Suburban properties	11,311	21,027
Total properties(1)	25,286	42,919

 (1) Square footage of properties owned as of the respective dates.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Rental income:
CBD properties	$	85,494	$	109,822	$	303,686	$	326,155
Suburban properties	39,965		64,394		153,442		192,508
Total properties	$	125,459	$	174,216	$	457,128	$	518,663
Tenant reimbursements and other income:
CBD properties	$	23,054	$	27,653	$	80,434	$	86,359
Suburban properties	10,695		14,726		38,395		44,027
Total properties	$	33,749	$	42,379	$	118,829	$	130,386
NOI:
CBD properties	$	53,564	$	71,596	$	203,077	$	216,762
Suburban properties	32,073		45,607		111,752		138,463
Total properties	$	85,637	$	117,203	$	314,829	$	355,225

Schedule of Reconciliation of NOI to Net Income

A reconciliation of NOI to net income for the three and nine months ended September 30, 2015 and 2014, is as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Rental income	$	125,459		$	174,216		$	457,128		$	518,663
Tenant reimbursements and other income	33,749			42,379			118,829			130,386
Operating expenses	(73,571		)	(99,392		)	(261,128		)	(293,824		)
NOI	$	85,637		$	117,203		$	314,829		$	355,225
NOI	$	85,637		$	117,203		$	314,829		$	355,225
Depreciation and amortization	(40,522		)	(57,213		)	(156,858		)	(168,693		)
General and administrative	(16,249		)	(47,450		)	(43,718		)	(96,395		)
Loss on asset impairment	—			—			(17,162		)	(17,922		)
Acquisition related costs	—			—			—			(5		)
Operating income	28,866			12,540			97,091			72,210
Interest and other income	637			406			4,813			1,071
Interest expense	(25,111		)	(35,245		)	(82,926		)	(111,079		)
(Loss) gain on early extinguishment of debt	(3,887		)	6,699			6,111			6,699
Gain on sale of equity investments	—			171,754			—			171,721
Gain on issuance of shares by an equity investee	—			—			—			17,020
Foreign currency exchange loss	(9,809		)	—			(8,953		)	—
Gain on sale of properties	39,793			—			42,953			—
Income from continuing operations before income taxes and equity in earnings of investees	30,489			156,154			59,089			157,642
Income tax expense	(23		)	(703		)	(2,377		)	(2,166		)
Equity in earnings of investees	—			1,072			—			24,460
Income from continuing operations	30,466			156,523			56,712			179,936
Income from discontinued operations	—			95			—			8,220
Gain (loss) on asset impairment from discontinued operations	—			122			—			(2,238		)
Loss on early extinguishment of debt from discontinued operations	—			—			—			(3,345		)
Net income	$	30,466		$	156,740		$	56,712		$	182,573