Dispositions (Tables)

12 Months Ended

Dec. 31, 2018

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

The following table provides a summary of consolidated shopping centers and land parcels disposed of:

	Year ended December 31,
(in thousands, except number sold data)	2018		2017	2016
Net proceeds from sale of real estate investments	$	250,445	110,015	135,161	'(1)
Gain on sale of real estate, net of tax	$	28,343	27,432	47,321
Provision for impairment of real estate sold	$	31,041	—	1,700
Number of operating properties sold	10		6	11
Number of land parcels sold	9		9	16
(1) Includes cash deposits received in the previous year.

At December 31, 2018, the Company also had four properties classified as Properties held for sale on the Consolidated Balance Sheets, which have sold or are expected to sell subsequent to December 31, 2018.