Income Taxes - Reconciliation of GAAP Net Income (Loss) Attributable to Taxable Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
GAAP net income attributable to SITE Centers	$ 168,719	$ 124,935	$ 35,721
Plus: Book depreciation and amortization	182,227	162,342	154,051
Less: Tax depreciation and amortization	(127,506)	(115,735)	(105,385)
Book/tax differences on losses from capital transactions	(50,784)	(28,114)	(45,808)
Joint venture equity (earnings) loss, net(A)	(67,862)	(15,480)	10,572
Deferred income	(3,925)	(1,158)	(13,197)
Compensation expense	7,129	11,534	4,031
Impairment charges	2,536	7,270	24,593
Miscellaneous book/tax differences, net	(2,547)	(20,183)	549
Taxable income before adjustments	107,987	125,411	65,127
Less: Net operating loss carryforward	0	(28,576)	0
Less: Capital gains	(7,664)	0	0
Taxable income subject to the 90% dividend requirement	$ 100,323	$ 96,835	$ 65,127