Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Exchange of limited partner units, (in shares)	24,000	6,000
Stock incentive program, shares, net		236
Redemption of Limited Partner Units	774	40,503
Treasury stock purchase, shares	46,377	1,473,588
Issuance of equivalents units	1,483	1,608
Net income attributable to preferred interests in the Operating Partnership (in dollars)	$ 479	$ 479
Net income attributable to noncontrolling redeemable interests in properties (in dollars)	$ 1,065	$ 619
Simon Property Group, L.P.
Limited partner units exchanged to common units	24,000	6,000
Stock incentive program, units, net		236
Redemption of Limited Partner Units	774	40,503
Treasury unit purchase, units	46,377	1,473,588
Issuance of equivalents units	1,483	1,608
Net income, attributable to preferred distributions on temporary equity preferred units (in dollars)	$ 479	$ 479
Net income attributable to noncontrolling redeemable interests in properties (in dollars)	$ 1,065	$ 619