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Earnings Per Share - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Schedule Of Earnings Per Share [Line Items] |  |
Forward equity agreement | 2,200,000 |
Performance Restricted Stock Units [Member] |  |
Schedule Of Earnings Per Share [Line Items] |  |
Common shares, shares issued | 519,255 |
Mark-to-market adjustment |  | $ (5.6)

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- Definition Common shares issued through forward equity agreement not included in computation of diluted EPS. + References No definition available. + Details
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- Definition Mark to market adjustment. + References No definition available. + Details
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Namespace Prefix: | sitc_
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Balance Type: | credit
Period Type: | duration

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- Definition Earnings Per Share Line Items. + References No definition available. + Details
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- Definition Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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Period Type: |