Document and Entity Information - $ / shares	9 Months Ended
	Sep. 30, 2021	Oct. 22, 2021	Dec. 31, 2020
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity File Number	1-11690
Entity Tax Identification Number	34-1723097
Entity Address, Address Line One	3300 Enterprise Parkway
Entity Address, City or Town	Beachwood
Entity Address, Postal Zip Code	44122
City Area Code	216
Local Phone Number	755-5500
Entity Address, State or Province	OH
Entity Registrant Name	SITE Centers Corp.
Entity Central Index Key	0000894315
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Common Stock, Par or Stated Value Per Share	$ 0.10		$ 0.10
Document Quarterly Report	true
Document Transition Report	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	OH
Entity Common Stock, Shares Outstanding		211,217,691
Common Shares [Member]
Document Information [Line Items]
Trading Symbol	SITC
Security Exchange Name	NYSE
Title of 12(b) Security	Common Shares
6.375% Class A Cumulative Redeemable Preferred Shares [Member]
Document Information [Line Items]
Trading Symbol	SITC PRA
Security Exchange Name	NYSE
Title of 12(b) Security	Cumulative Redeemable Preferred Shares