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Notes Receivable - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2018
Receivables [Abstract] |
Maturity Start Date | 2019-06
Maturity End Date | 2023-06
Interest Rate | 9.00%

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- 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

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- Definition Notes receivable maturity end date. + References No definition available. + Details
Name: | sitc_NotesReceivableMaturityEndDate
Namespace Prefix: | sitc_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

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- Definition Notes receivable maturity start date. + References No definition available. + Details
Name: | sitc_NotesReceivableMaturityStartDate
Namespace Prefix: | sitc_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration