Real Estate Assets, Discontinued Operations and Assets Held for Sale (Tables)

6 Months Ended

Jun. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Real Estate Properties [Table Text Block]

Real estate assets, excluding assets held for sale, consisted of the following (in thousands):

	June 30, 2017	December 31, 2016
Buildings and tenant improvements	$3,975,603	$3,752,423
Land and improvements	1,524,433	1,392,382
Real estate assets	$5,500,036	$5,144,805

Table Illustration of Number of Properties in Discontinued Operations

The following table illustrates the number of sold or held-for-sale properties included in, or excluded from, discontinued operations in this report:

	Held-for-Sale at June 30, 2017	Sold Year-to-Date in 2017	Sold in 2016	Total
Total properties included in discontinued operations	8	73	—	81
Properties excluded from discontinued operations	2	12	32	46
Total properties sold or classified as held-for-sale	10	85	32	127

Table Illustration of Discontinued Operations in Statement of Operations

The following table illustrates the operational results of the buildings reflected in discontinued operations (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Revenues	$	35,165		$	42,736		$	81,404		$	84,181
Operating expenses	(11,170		)	(13,760		)	(26,166		)	(27,137		)
Depreciation and amortization	(6,315		)	(19,025		)	(25,849		)	(37,290		)
Operating income	17,680			9,951			29,389			19,754
Interest expense	(6,585		)	(7,673		)	(14,204		)	(15,270		)
Income before gain on sales	11,095			2,278			15,185			4,484
Gain on sale of depreciable properties	1,109,091			252			1,109,091			166
Income from discontinued operations before income taxes	1,120,186			2,530			1,124,276			4,650
Income tax expense	(11,613		)	—			(11,613		)	—
Income from discontinued operations	$	1,108,573		$	2,530		$	1,112,663		$	4,650

Allocation of Common Shareholders' Income (Loss) Between Continuing and Discontinued Operations

The following table illustrates the General Partner's share of the income attributable to common shareholders from continuing operations and discontinued operations, reduced by the allocation of income between continuing and discontinued operations to the noncontrolling interests (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Income from continuing operations attributable to common shareholders	$	118,194	$	106,563	$	184,362	$	147,771
Income from discontinued operations attributable to common shareholders	1,092,349		2,504		1,096,381		4,603
Net income attributable to common shareholders	$	1,210,543	$	109,067	$	1,280,743	$	152,374

Schedule of Discontinued Operations, Properties Held-for-Sale, Aggregate Balance Sheet Information [Table Text Block]

he following table illustrates aggregate balance sheet information for all held-for-sale properties (in thousands):

	Held-for-Sale Properties
	June 30, 2017									December 31, 2016
	Held-for-Sale Properties Included in Continuing Operations			Properties Included in Discontinued Operations			Total Held-For-Sale Properties			Held-for-Sale Properties Included in Continuing Operations			Properties Included in Discontinued Operations			Total  Held-For-Sale Properties
Land and improvements	$	10,522		$	26,560		$	37,082		$	3,631		$	118,882		$	122,513
Buildings and tenant improvements	17,351			166,573			183,924			37,495			1,218,468			1,255,963
Undeveloped land	17,082			—			17,082			22,657			—			22,657
Accumulated depreciation	(6,198		)	(37,577		)	(43,775		)	(18,581		)	(240,685		)	(259,266		)
Deferred leasing and other costs, net	862			6,882			7,744			3,091			83,522			86,613
Other assets	738			10,859			11,597			3,334			92,444			95,778
Total assets held-for-sale	$	40,357		$	173,297		$	213,654		$	51,627		$	1,272,631		$	1,324,258
Accrued expenses	$	647		$	2,475		$	3,122		$	1,363		$	22,128		$	23,491
Other liabilities	802			5,165			5,967			298			32,502			32,800
Total liabilities held-for-sale	$	1,449		$	7,640		$	9,089		$	1,661		$	54,630		$	56,291