Segment Information

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Segment Information

Segment Information

Our principal business is the operation, acquisition and development of rental real estate properties. We evaluate our business by product type and by geographic location. Each product type has different customers and economic characteristics as to rental rates and terms, cost per rentable square foot of buildings, the purposes for which customers use the space, the degree of maintenance and customer support required and customer dependency on different economic drivers, among others. The operating results by geographic grouping are also regularly reviewed by our chief operating decision maker for assessing performance and other purposes. There are no material inter-segment transactions.

Our accounting policies of the segments are the same as those used in our Consolidated Financial Statements. All operations are within the United States.

The following tables summarize the rental and other revenues and net operating income, the primary industry property-level performance metric used by our chief operating decision maker which is defined as rental and other revenues less rental property and other expenses, for each of our reportable segments. Our segment information for the years ended December 31, 2014 and 2013 have been retrospectively revised from previously reported amounts to reflect a change in our reportable segments.

	Year Ended December 31,
	2015		2014		2013
Rental and Other Revenues:
Office:
Atlanta, GA	$	108,590	$	96,075	$	80,330
Greensboro, NC	21,251		25,018		26,047
Greenville, SC	—		2,140		3,399
Memphis, TN	47,137		41,016		38,369
Nashville, TN	88,310		80,722		62,054
Orlando, FL	44,621		36,574		21,798
Pittsburgh, PA	59,392		56,692		56,125
Raleigh, NC	102,841		87,428		85,417
Richmond, VA	42,089		45,559		47,576
Tampa, FL	75,715		69,693		68,519
Total Office Segment	589,946		540,917		489,634
Other	14,725		14,954		15,374
Total Rental and Other Revenues	$	604,671	$	555,871	$	505,008

19. Segment Information - Continued

	Year Ended December 31,
	2015			2014			2013
Net Operating Income:
Office:
Atlanta, GA	$	67,094		$	58,180		$	49,650
Greensboro, NC	13,395			15,784			16,788
Greenville, SC	—			1,150			1,893
Memphis, TN	29,534			24,376			22,133
Nashville, TN	62,387			55,354			42,598
Orlando, FL	25,524			21,286			12,048
Pittsburgh, PA	34,348			31,505			31,134
Raleigh, NC	72,981			61,317			60,075
Richmond, VA	27,922			30,021			32,454
Tampa, FL	45,447			40,875			41,573
Total Office Segment	378,632			339,848			310,346
Other	10,098			10,139			10,475
Total Net Operating Income	388,730			349,987			320,821
Reconciliation to income from continuing operations before disposition of investment properties and activity in unconsolidated affiliates:
Depreciation and amortization	(201,918		)	(180,637		)	(162,937		)
Impairments of real estate assets	—			(588		)	—
General and administrative expenses	(37,642		)	(35,258		)	(36,381		)
Interest expense	(86,052		)	(85,127		)	(91,886		)
Other income	1,726			2,431			3,312
Income from continuing operations before disposition of investment properties and activity in unconsolidated affiliates	$	64,844		$	50,808		$	32,929

19. Segment Information - Continued

	December 31,
	2015		2014
			(as revised)
Total Assets:
Office:
Atlanta, GA	$	1,013,226	$	700,085
Greensboro, NC	131,027		139,479
Memphis, TN	277,866		280,186
Nashville, TN	591,111		527,317
Orlando, FL	303,843		291,611
Pittsburgh, PA	339,186		334,539
Raleigh, NC	663,617		669,450
Richmond, VA	211,574		215,987
Tampa, FL	548,814		415,042
Total Office Segment	4,080,264		3,573,696
Other (1)	413,168		425,427
Total Assets	$	4,493,432	$	3,999,123

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(1) Includes the Plaza assets, which are included in real estate and other assets, net, held for sale on our Consolidated Balance Sheets.