Consolidated Statements of Equity (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Exchange of limited partner units, (in shares)	5,020,919	489,291	70,291
Stock incentive program, shares, net	63,324	63,738	83,509
Shares of common stock issued			25,545
Treasury stock purchase, shares or units	1,409,197	1,903,340
Shares repurchased	21,041	17,030
Net income attributable to preferred interests in the Operating Partnership (in dollars)	$ 1,915,000	$ 1,915,000	$ 1,915,000
Net income attributable to noncontrolling redeemable interests in properties (in dollars)	$ 4,301,000
Simon Property Group L.P.
Issuance of limited partner, units			555,150
Limited partner units exchanged to common units	5,020,919	489,291	70,291
Stock incentive program, units, net	63,324	63,738	83,509
Redemption of units		944,359	87,621
Treasury stock purchase, shares or units	1,409,197	1,903,340
Issuance of equivalents units	482,779	401,203	603,287
Issuance of common units	$ 21,041	$ 17,030	$ 25,545
Net income, attributable to preferred distributions on temporary equity preferred units (in dollars)	1,915,000	$ 1,915,000	$ 1,915,000
Net income attributable to noncontrolling redeemable interests in properties (in dollars)	$ 4,301,000