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Investments in and Advances to Joint Ventures - Revenues Earned By the Company from Unconsolidated Joint Ventures and Interest Income (Parenthetical) (Detail) | 3 Months Ended
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Dec. 31, 2020 JointVenture
Equity Method Investments And Joint Ventures [Abstract] |
Joint ventures transferred or redeemed | 2

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- Definition Joint ventures transferred or redeemed. + References No definition available. + Details
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Namespace Prefix: | sitc_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
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Balance Type: | na
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