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| | | <ShortName> INVENTORIES (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureInventories </ParentRole> |
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| | | <ShortName> DEPOSITS AND PREPAYMENTS (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureDepositsAndPrepayments </ParentRole> |
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| | | <ShortName> ACCOUNTS RECEIVABLE (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureAccountsReceivable </ParentRole> |
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| | | <ShortName> OTHER RECEIVABLES (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureOtherReceivables </ParentRole> |
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| | | <ShortName> PLANT AND EQUIPMENT (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosurePlantAndEquipment </ParentRole> |
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| | | <ShortName> CONSTRUCTION IN PROGRESS (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureConstructionInProgress </ParentRole> |
| | | <Position> 46 </Position> |
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| | | <LongName> 31303 - Disclosure - LAND USE RIGHTS (Tables) </LongName> |
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| | | <ShortName> LAND USE RIGHTS (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureLandUseRights </ParentRole> |
| | | <Position> 47 </Position> |
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| | | <ShortName> GOODWILL (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureGoodwill </ParentRole> |
| | | <Position> 48 </Position> |
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| | | <LongName> 31503 - Disclosure - PROPRIETARY TECHNOLOGIES (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
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| | | <ShortName> PROPRIETARY TECHNOLOGIES (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureProprietaryTechnologies </ParentRole> |
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| | | <LongName> 31603 - Disclosure - INTERESTS IN UNCONSOLIDATED EQUITY INTERESTS (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
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| | | <ShortName> INTERESTS IN UNCONSOLIDATED EQUITY INTERESTS (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureInterestsInUnconsolidatedEquityInterests </ParentRole> |
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| | | <LongName> 31703 - Disclosure - TEMPORARY DEPOSITS PAID TO ENTITIES FOR EQUITY INVESTMENTS IN FUTURE SINO JOINT VENTURE COMPANIES (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
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| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureTemporaryDepositsPaidToEntitiesForEquityInvestmentsInFutureSinoJointVentureCompanies </ParentRole> |
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| | | <ShortName> CONSTRUCTION CONTRACT (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
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| | | <ShortName> BORROWINGS (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureBorrowings </ParentRole> |
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| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureConvertibleNotePayables </ParentRole> |
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| | | <ShortName> EARNINGS PER SHARE (Tables) </ShortName> |
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| | | <ShortName> CORPORATE INFORMATION (Details) </ShortName> |
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| | | <ReportType> Sheet </ReportType> |
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| | | <ReportType> Sheet </ReportType> |
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| | | <ShortName> INCOME TAXES (Details) </ShortName> |
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| | | <ShortName> INCOME TAXES - Additional information (Details) </ShortName> |
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| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.sinoagrofood.com/role/DisclosureEarningsPerShareTables </ParentRole> |
| | | <Position> 103 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> siaf-20191231.xml </File> |
| | <File> siaf-20191231.xsd </File> |
| | <File> siaf-20191231_cal.xml </File> |
| | <File> siaf-20191231_def.xml </File> |
| | <File> siaf-20191231_lab.xml </File> |
| | <File> siaf-20191231_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies> |
| | <BaseTaxonomy> http://xbrl.sec.gov/dei/2020-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://fasb.org/srt/2020-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://fasb.org/us-gaap/2020-01-31 </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |