Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Schedule of Net Operating Income (Loss) by Reportable Segment and Reconciliation to Net Income

Information on the Company's segments along with a reconciliation of NOI to net income available to common stockholders is as follows (in thousands):

Year ended December 31, 2015	Office		Mixed-Use		Other		Total
Net Operating Income:
Houston	$	103,210	$	—	$	—	$	103,210
Atlanta	93,438		5,854		—		99,292
Austin	15,294		—		—		15,294
Charlotte	16,164		—		—		16,164
Other	7,104		—		168		7,272
Total Net Operating Income	$	235,210	$	5,854	$	168	241,232
Net operating income from unconsolidated joint ventures							(24,335		)
Net operating loss from discontinued operations							14
Fee income							7,297
Other income							1,278
General and administrative expenses							(17,099		)
Reimbursed expenses							(3,430		)
Interest expense							(30,723		)
Depreciation and amortization							(135,416		)
Other expenses							(1,299		)
Income from unconsolidated joint ventures							8,302
Loss from discontinued operations							(586		)
Gain on sale of investment properties							80,394
Net income attributable to noncontrolling interests							(111		)
Net income available to common stockholders							$	125,518

Year ended December 31, 2014	Office		Mixed-Use		Other		Total
Net Operating Income:
Houston	$	100,816	$	—	$	—	$	100,816
Atlanta	73,434		5,727		—		79,161
Austin	6,992		—		—		6,992
Charlotte	6,839		—		—		6,839
Other	18,470		—		3,395		18,470
Total Net Operating Income	$	206,551	$	5,727	$	3,395	215,673
Net operating income from unconsolidated joint ventures							(25,897		)
Net operating income from discontinued operations							(1,800		)
Fee income							12,519
Other income							4,954
General and administrative expenses							(19,969		)
Reimbursed expenses							(3,652		)
Interest expense							(29,110		)
Depreciation and amortization							(140,018		)
Other expenses							(4,654		)
Preferred share original issuance costs							(3,530		)
Dividends to preferred stockholders							(2,955		)
Income from unconsolidated joint ventures							11,268
Income from discontinued operations							21,158
Gain on sale of investment properties							12,536
Net income attributable to noncontrolling interests							(1,004		)
Net income available to common stockholders							$	45,519

Year ended December 31, 2013	Office		Mixed-Use		Other		Total
Net Operating Income:
Houston	$	40,199	$	—	$	—	$	40,199
Atlanta	62,211		3,511		—		65,722
Austin	4,029		—		—		4,029
Charlotte	1,208		—		—		1,208
Other	14,856		—		12,066		26,922
Total Net Operating Income	$	122,503	$	3,511	$	12,066	138,080
Net operating income from unconsolidated joint ventures							(27,768		)
Net operating income from discontinued operations							(6,390		)
Fee income							10,891
Other income							5,430
General and administrative expenses							(22,460		)
Reimbursed expenses							(5,215		)
Interest expense							(21,709		)
Depreciation and amortization							(76,277		)
Other expenses							(11,154		)
Preferred share original issuance costs							(2,656		)
Dividends to preferred stockholders							(10,008		)
Income from unconsolidated joint ventures							67,325
Income from discontinued operations							14,788
Gain on sale of investment properties							61,288
Net income attributable to noncontrolling interests							(5,068		)
Net income available to common stockholders							$	109,097