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

3 Months Ended

Mar. 31, 2019

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):

	March 31, 2019		December 31, 2018
Buildings and tenant improvements	$	5,092,973	$	4,980,003
Land and improvements	2,335,435		2,268,343
Real estate assets	$	7,428,408	$	7,248,346

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 March 31, 2019	Sold Year-to-Date in 2019	Sold in 2018	Total
Total properties included in discontinued operations	—	—	—	—
Properties excluded from discontinued operations	—	—	15	15
Total properties sold or classified as held-for-sale	—	—	15	15

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 March 31,
	2019		2018
Revenues	$	—	$	5
Operating expenses	—		(13		)
Operating loss	—		(8		)
Gain on sale of properties	155		132
Income from discontinued operations	$	155	$	124

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 March 31,
	2019		2018
Income from continuing operations attributable to common shareholders	$	44,397	$	72,840
Income from discontinued operations attributable to common shareholders	154		123
Net income attributable to common shareholders	$	44,551	$	72,963

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

The following table illustrates aggregate balance sheet information for assets held-for-sale (in thousands):

	Held-for-Sale Properties Included in Continuing Operations
	March 31, 2019			December 31, 2018
Land and improvements	$	1,989		$	—
Buildings and tenant improvements	855			—
Undeveloped land	—			1,966
Accumulated depreciation	(1,025		)	(884		)
Deferred leasing and other costs, net	42			—
Other assets	79			—
Total assets held-for-sale	$	1,940		$	1,082
Total liabilities related to assets held-for-sale	$	41		$	—