<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>302</ContextCount>
  <ElementCount>325</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>104</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeLoss</Role>
      <ShortName>Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - Condensed Consolidated Statements of Changes in Mezzanine Equity and Stockholder's Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CondensedConsolidatedStatementsofChangesinMezzanineEquityandStockholdersEquityDeficit</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Mezzanine Equity and Stockholder's Equity (Deficit)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CondensedConsolidatedStatementsofCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/BasisofPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - Certain Balance Sheet Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccounts</Role>
      <ShortName>Certain Balance Sheet Accounts</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Deferred Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DeferredRevenue</Role>
      <ShortName>Deferred Revenue</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Debt and Other Financing Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangements</Role>
      <ShortName>Debt and Other Financing Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Stock-based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/StockbasedCompensation</Role>
      <ShortName>Stock-based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStock</Role>
      <ShortName>Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Net Income (Loss) Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/NetIncomeLossPerShare</Role>
      <ShortName>Net Income (Loss) Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/Segments</Role>
      <ShortName>Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Basis of Presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/BasisofPresentationPolicies</Role>
      <ShortName>Basis of Presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Basis of Presentation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/BasisofPresentationTables</Role>
      <ShortName>Basis of Presentation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/BasisofPresentation</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Certain Balance Sheet Accounts (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsTables</Role>
      <ShortName>Certain Balance Sheet Accounts (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/CertainBalanceSheetAccounts</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Debt and Other Financing Arrangements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsTables</Role>
      <ShortName>Debt and Other Financing Arrangements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/DebtandOtherFinancingArrangements</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Stock-based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/StockbasedCompensationTables</Role>
      <ShortName>Stock-based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/StockbasedCompensation</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStockTables</Role>
      <ShortName>Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStock</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/FairValueMeasurements</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Net Income (Loss) Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/NetIncomeLossPerShareTables</Role>
      <ShortName>Net Income (Loss) Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/NetIncomeLossPerShare</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SegmentsTables</Role>
      <ShortName>Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://owlet.com/role/Segments</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Basis of Presentation - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/BasisofPresentationAdditionalInformationDetails</Role>
      <ShortName>Basis of Presentation - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Basis of Presentation - Schedule of Customer Concentration Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/BasisofPresentationScheduleofCustomerConcentrationRiskDetails</Role>
      <ShortName>Basis of Presentation - Schedule of Customer Concentration Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Certain Balance Sheet Accounts - Restricted Cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsRestrictedCashDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Restricted Cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Certain Balance Sheet Accounts - Schedule of Allowance for Credit Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofAllowanceforCreditLossesDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Allowance for Credit Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Certain Balance Sheet Accounts - Schedule of Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofInventoryDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Certain Balance Sheet Accounts - Schedule of Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofPropertyandEquipmentDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Certain Balance Sheet Accounts - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsAdditionalInformationDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Certain Balance Sheet Accounts - Schedule of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofIntangibleAssetsDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Certain Balance Sheet Accounts - Schedule of Intangible Assets, Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofIntangibleAssetsFutureAmortizationExpenseDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Intangible Assets, Future Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Certain Balance Sheet Accounts - Schedule of Accrued and Other Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsScheduleofAccruedandOtherExpensesDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Schedule of Accrued and Other Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Certain Balance Sheet Accounts - Summary of Changes In Accrued Warranty (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CertainBalanceSheetAccountsSummaryofChangesInAccruedWarrantyDetails</Role>
      <ShortName>Certain Balance Sheet Accounts - Summary of Changes In Accrued Warranty (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Deferred Revenue - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DeferredRevenueAdditionalInformationDetails</Role>
      <ShortName>Deferred Revenue - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Debt and Other Financing Arrangements - Summary of the Company's Long-term Indebtedness (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsSummaryoftheCompanysLongtermIndebtednessDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - Summary of the Company's Long-term Indebtedness (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Debt and Other Financing Arrangements - WTI Loan Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsWTILoanFacilityDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - WTI Loan Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Debt and Other Financing Arrangements - WTI Loan Facility - Schedule of Outstanding Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsWTILoanFacilityScheduleofOutstandingDebtDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - WTI Loan Facility - Schedule of Outstanding Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Debt and Other Financing Arrangements - ABL Line of Credit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsABLLineofCreditDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - ABL Line of Credit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Debt and Other Financing Arrangements - Financed Insurance Premiums (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsFinancedInsurancePremiumsDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - Financed Insurance Premiums (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Debt and Other Financing Arrangements - Summary of Future Aggregate Maturities of Notes Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://owlet.com/role/DebtandOtherFinancingArrangementsSummaryofFutureAggregateMaturitiesofNotesPayableDetails</Role>
      <ShortName>Debt and Other Financing Arrangements - Summary of Future Aggregate Maturities of Notes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Commitments and Contingencies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommitmentsandContingenciesNarrativeDetails</Role>
      <ShortName>Commitments and Contingencies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Stock-based Compensation - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/StockbasedCompensationAdditionalInformationDetails</Role>
      <ShortName>Stock-based Compensation - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Stock-based Compensation - Stock-Based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/StockbasedCompensationStockBasedCompensationExpenseDetails</Role>
      <ShortName>Stock-based Compensation - Stock-Based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Stock-based Compensation - Summary of RSU Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/StockbasedCompensationSummaryofRSUInformationDetails</Role>
      <ShortName>Stock-based Compensation - Summary of RSU Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStockAdditionalInformationDetails</Role>
      <ShortName>Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStockTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock - Summary of Warrant Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/CommonStockIssuanceRedeemableCommonStockCommonStockWarrantsandConvertiblePreferredStockSummaryofWarrantActivityDetails</Role>
      <ShortName>Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock - Summary of Warrant Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Fair Value Measurements - Summary of Assets and Liabilities Fair Value Measurement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurementsSummaryofAssetsandLiabilitiesFairValueMeasurementDetails</Role>
      <ShortName>Fair Value Measurements - Summary of Assets and Liabilities Fair Value Measurement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Fair Value Measurements - Schedule of Black-Scholes Option Pricing Model Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurementsScheduleofBlackScholesOptionPricingModelAssumptionsDetails</Role>
      <ShortName>Fair Value Measurements - Schedule of Black-Scholes Option Pricing Model Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Fair Value Measurements - Reconciliation of Preferred Stock Warrant Liability Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurementsReconciliationofPreferredStockWarrantLiabilityMeasuredatFairValueonaRecurringBasisUsingSignificantUnobservableInputsLevel3Details</Role>
      <ShortName>Fair Value Measurements - Reconciliation of Preferred Stock Warrant Liability Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Fair Value Measurements - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/FairValueMeasurementsAdditionalInformationDetails</Role>
      <ShortName>Fair Value Measurements - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Net Income (Loss) Per Share - Summary of Computation of Net Loss Attributable To Common Stockholders (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/NetIncomeLossPerShareSummaryofComputationofNetLossAttributableToCommonStockholdersDetails</Role>
      <ShortName>Net Income (Loss) Per Share - Summary of Computation of Net Loss Attributable To Common Stockholders (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://owlet.com/role/NetIncomeLossPerShareTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Net Income (Loss) Per Share - Antidilutive Securities Excluded from Computation of EPS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/NetIncomeLossPerShareAntidilutiveSecuritiesExcludedfromComputationofEPSDetails</Role>
      <ShortName>Net Income (Loss) Per Share - Antidilutive Securities Excluded from Computation of EPS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://owlet.com/role/NetIncomeLossPerShareTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Segments - Additional Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SegmentsAdditionalInformationDetails</Role>
      <ShortName>Segments - Additional Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Segments - Revenue by Geographic Areas (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SegmentsRevenuebyGeographicAreasDetails</Role>
      <ShortName>Segments - Revenue by Geographic Areas (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Segments - Schedule of Long-Lived Assets by Geographical Area (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SegmentsScheduleofLongLivedAssetsbyGeographicalAreaDetails</Role>
      <ShortName>Segments - Schedule of Long-Lived Assets by Geographical Area (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="owlt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://owlet.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://owlet.com/role/SubsequentEvents</ParentRole>
      <Position>61</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="owlt-20260331.htm">owlt-20260331.htm</File>
    <File>owlt-20260331.xsd</File>
    <File>owlt-20260331_cal.xml</File>
    <File>owlt-20260331_def.xml</File>
    <File>owlt-20260331_lab.xml</File>
    <File>owlt-20260331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>owlt-20260331_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="747">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
