Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of Property Level Information by Operating Segment

Property level information by operating segment as of March 31, 2015, and for the three months ended March 31, 2015 and 2014, is as follows (in thousands):

	As of March 31,
	2015	2014
Square feet:
CBD properties	21,893	21,889
Suburban properties	20,859	21,024
Total properties(1)	42,752	42,913

 (1) Square footage of properties owned as of the respective dates and excludes properties held for sale as of March 31, 2014.

	Three Months Ended March 31,
	2015		2014
Rental income:
CBD properties	$	109,843	$	110,239
Suburban properties	58,129		61,801
Total properties	$	167,972	$	172,040
Tenant reimbursements and other income:
CBD properties	$	29,697	$	30,241
Suburban properties	15,386		14,979
Total properties	$	45,083	$	45,220
NOI:
CBD properties	$	73,947	$	73,170
Suburban properties	41,237		42,359
Total properties	$	115,184	$	115,529

Schedule of Reconciliation of NOI to Net Income

A reconciliation of NOI to net income for the three months ended March 31, 2015 and 2014, is as follows (in thousands):

	Three Months Ended March 31,
	2015			2014
Rental income	$	167,972		$	172,040
Tenant reimbursements and other income	45,083			45,220
Operating expenses	(97,871		)	(101,731		)
NOI	$	115,184		$	115,529
NOI	$	115,184		$	115,529
Depreciation and amortization	(62,699		)	(51,649		)
General and administrative	(16,558		)	(24,848		)
Loss (reversal of loss) on asset impairment	(1,904		)	4,761
Acquisition related costs	—			(5		)
Operating income	34,023			43,788
Interest and other income	3,448			384
Interest expense	(29,842		)	(37,935		)
Loss on early extinguishment of debt	(428		)	—
Gain on issuance of shares by an equity investee	—			109
Gain on sale of properties	5,868			—
Income from continuing operations before income taxes and equity in earnings of investees	13,069			6,346
Income tax benefit (expense)	561			(555		)
Equity in earnings of investees	—			10,934
Income from continuing operations	13,630			16,725
Income from discontinued operations	—			4,011
Loss on asset impairment from discontinued operations	—			(288		)
Net income	$	13,630		$	20,448