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Other Assets, net - Components of Other Assets (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2019
Other Assets [Abstract]
Interest Rate	9.00%
Maturity Dates	2023-06

X

- Definition

Interest rate percentage for notes receivable.

+ References

No definition available.

+ Details

Name:	sitc_NoteReceivableInterestRatePercentage
Namespace Prefix:	sitc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Notes receivable maturity month and year.

+ References

No definition available.

+ Details

Name:	sitc_NotesReceivableMaturityMonthAndYear
Namespace Prefix:	sitc_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_OtherAssetsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration