<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>495</ContextCount>
  <ElementCount>305</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>119</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>10</UnitCount>
  <MyReports>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002000 - Statement - Unaudited Consolidated Statements of Operations and Comprehensive Income/(Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/UnauditedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss</Role>
      <ShortName>Unaudited Consolidated Statements of Operations and Comprehensive Income/(Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003000 - Statement - Unaudited Consolidated Statement of Shareholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/UnauditedConsolidatedStatementOfShareholdersEquity</Role>
      <ShortName>Unaudited Consolidated Statement of Shareholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004000 - Statement - Unaudited Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/UnauditedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Unaudited Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - Description of Business and Basis for Preparation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparation</Role>
      <ShortName>Description of Business and Basis for Preparation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2102100 - Disclosure - Basis of Consolidation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/BasisOfConsolidation</Role>
      <ShortName>Basis of Consolidation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2105100 - Disclosure - Notes on the Consolidated Balance Sheets</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheets</Role>
      <ShortName>Notes on the Consolidated Balance Sheets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/FinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Other Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/OtherInformation</Role>
      <ShortName>Other Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2201201 - Disclosure - Description of Business and Basis for Preparation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparationPolicies</Role>
      <ShortName>Description of Business and Basis for Preparation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2301302 - Disclosure - Description of Business and Basis for Preparation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparationTables</Role>
      <ShortName>Description of Business and Basis for Preparation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparation</ParentRole>
      <Position>13</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2302301 - Disclosure - Basis of Consolidation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/BasisOfConsolidationTables</Role>
      <ShortName>Basis of Consolidation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.spark.net/role/BasisOfConsolidation</ParentRole>
      <Position>14</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossTables</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - Notes on the Consolidated Balance Sheets (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsTables</Role>
      <ShortName>Notes on the Consolidated Balance Sheets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.spark.net/role/NotesOnConsolidatedBalanceSheets</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/FinancialInstrumentsTables</Role>
      <ShortName>Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.spark.net/role/FinancialInstruments</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2401403 - Disclosure - Description of Business and Basis for Preparation - Reporting Entity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparationReportingEntityDetails</Role>
      <ShortName>Description of Business and Basis for Preparation - Reporting Entity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2401404 - Disclosure - Description of Business and Basis for Preparation - Impact of correction of error (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/DescriptionOfBusinessAndBasisForPreparationImpactOfCorrectionOfErrorDetails</Role>
      <ShortName>Description of Business and Basis for Preparation - Impact of correction of error (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2402402 - Disclosure - Basis of Consolidation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/BasisOfConsolidationDetails</Role>
      <ShortName>Basis of Consolidation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.spark.net/role/BasisOfConsolidationTables</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2404402 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Operating segments (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossOperatingSegmentsDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Operating segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2404403 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Revenue (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossRevenueDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossTables</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2404404 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Share-based payment arrangements narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossShareBasedPaymentArrangementsNarrativeDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Share-based payment arrangements narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2404405 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Share based payment arrangements - fair value inputs (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossShareBasedPaymentArrangementsFairValueInputsDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Share based payment arrangements - fair value inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2404406 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Income taxes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossIncomeTaxesDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Income taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2404407 - Disclosure - Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Earnings per share (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossEarningsPerShareDetails</Role>
      <ShortName>Notes on the Consolidated Statements of Operations and Comprehensive Income/(Loss) - Earnings per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - Notes on the Consolidated Balance Sheets - Intangible assets (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsIntangibleAssetsDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Intangible assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2405404 - Disclosure - Notes on the Consolidated Balance Sheets - Impairment test of goodwill (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsImpairmentTestOfGoodwillDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Impairment test of goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2405405 - Disclosure - Notes on the Consolidated Balance Sheets - Shareholders' Equity (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsShareholdersEquityDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Shareholders' Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2405406 - Disclosure - Notes on the Consolidated Balance Sheets - Provisions (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsProvisionsDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Provisions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2405407 - Disclosure - Notes on the Consolidated Balance Sheets - Contract liabilities (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsContractLiabilitiesDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Contract liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2405408 - Disclosure - Notes on the Consolidated Balance Sheets - Long-term debt (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.spark.net/role/NotesOnConsolidatedBalanceSheetsLongTermDebtDetails</Role>
      <ShortName>Notes on the Consolidated Balance Sheets - Long-term debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/FinancialInstrumentsDetails</Role>
      <ShortName>Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.spark.net/role/FinancialInstrumentsTables</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2408401 - Disclosure - Other Information - Balances and transactions with related parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/OtherInformationBalancesAndTransactionsWithRelatedPartiesDetails</Role>
      <ShortName>Other Information - Balances and transactions with related parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="lov-20200630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - Other Information - Contingent liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.spark.net/role/OtherInformationContingentLiabilitiesDetails</Role>
      <ShortName>Other Information - Contingent liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>lov-20200630.xml</File>
    <File>lov-20200630.xsd</File>
    <File>lov-20200630_cal.xml</File>
    <File>lov-20200630_def.xml</File>
    <File>lov-20200630_lab.xml</File>
    <File>lov-20200630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.ifrs.org/taxonomy/2019-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
