Impairment (Tables)

12 Months Ended

Dec. 31, 2017

Asset Impairment Charges [Abstract]

Schedule of Impairment Charges

The following impairment charges were recorded on the following assets based on the difference between the carrying amount of the assets and the estimated fair value (see Note 21 for additional fair value information) (in thousands):

	Year Ended December 31,
	2017		2016		2015
Continuing operations:
Properties held for sale, marketed for sale or sold (1)	$	12,203	$	98	$	153
Land held for development and undeveloped land (1)	2,719		—		—
Other	335		—		—
Total impairment charges	15,257		98		153
Other financial statement captions impacted by impairment:
Equity in earnings of real estate joint ventures and partnerships, net	—		326		1,497
Net income attributable to noncontrolling interests	21		—		—
Net impact of impairment charges	$	15,278	$	424	$	1,650

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(1) Amounts reported were based on changes in management's plans for the properties, third party offers, recent comparable market transactions and/or a change in market conditions.