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Data Type:	xbrli:stringItemType
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Percentage of percentage of equity interest sold to related party.

No definition available.

Name:	srre_PercentageOfEquityInterestInSubsidiarySoldToRelatedParty
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Data Type:	dtr-types:percentItemType
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Represents the percentage of equity interest in subsidiary transferred to parent.

No definition available.

Name:	srre_PercentageOfEquityInterestInSubsidiaryTransferredToParent
Namespace Prefix:	srre_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of issued and outstanding shares received.

No definition available.

Name:	srre_PercentageOfIssuedAndOutstandingSharesReceived
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Data Type:	dtr-types:percentItemType
Balance Type:	na
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Percentage of voting equity interest acquired in business combination.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-8

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
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-Name Accounting Standards Codification
-Section 55
-Paragraph 38
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479303/805-10-55-38

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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Data Type:	dtr-types:percentItemType
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Name:	us-gaap_BusinessAcquisitionAxis=srre_ShareholderLysyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=srre_ShanghaiDaerweiTradingCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_OwnershipAxis=srre_ShareholderOfLysyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_OwnershipAxis=srre_LinyiRuiLinConstructionAndDesignCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_CounterpartyNameAxis=srre_NanjingLongchangRealEstateDevelopmentGroupMember
Namespace Prefix:
Data Type:	na
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