<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>259</ContextCount>
  <ElementCount>392</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>69</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CONDENSEDCONSOLIDATEDBALANCESHEET</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICIT</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2101101 - Disclosure - Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPolicies</Role>
      <ShortName>Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2106102 - Disclosure - Recently Issued Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/RecentlyIssuedAccountingPronouncements</Role>
      <ShortName>Recently Issued Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2108103 - Disclosure - Concentration of Credit Risk</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConcentrationofCreditRisk</Role>
      <ShortName>Concentration of Credit Risk</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2111104 - Disclosure - Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/FairValueofFinancialInstruments</Role>
      <ShortName>Fair Value of Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2115105 - Disclosure - Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/Investments</Role>
      <ShortName>Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2120106 - Disclosure - Inventory</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/Inventory</Role>
      <ShortName>Inventory</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2123107 - Disclosure - Property and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/PropertyandEquipment</Role>
      <ShortName>Property and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2126108 - Disclosure - License Agreements and Grants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LicenseAgreementsandGrants</Role>
      <ShortName>License Agreements and Grants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2129109 - Disclosure - Deferred Revenue and Remaining Performance Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/DeferredRevenueandRemainingPerformanceObligations</Role>
      <ShortName>Deferred Revenue and Remaining Performance Obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2132110 - Disclosure - Long-term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LongtermDebt</Role>
      <ShortName>Long-term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2136111 - Disclosure - Convertible Notes</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConvertibleNotes</Role>
      <ShortName>Convertible Notes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2141112 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2145113 - Disclosure - Employee Equity-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensation</Role>
      <ShortName>Employee Equity-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2153114 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2155115 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/Commitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2156116 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2161117 - Disclosure - Industry, Geographic and Revenue Disaggregation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregation</Role>
      <ShortName>Industry, Geographic and Revenue Disaggregation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2166118 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2202201 - Disclosure - Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2303301 - Disclosure - Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPoliciesTables</Role>
      <ShortName>Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2309302 - Disclosure - Concentration of Credit Risk (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConcentrationofCreditRiskTables</Role>
      <ShortName>Concentration of Credit Risk (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/ConcentrationofCreditRisk</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2312303 - Disclosure - Fair Value of Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/FairValueofFinancialInstrumentsTables</Role>
      <ShortName>Fair Value of Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/FairValueofFinancialInstruments</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2316304 - Disclosure - Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InvestmentsTables</Role>
      <ShortName>Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/Investments</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2321305 - Disclosure - Inventory (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InventoryTables</Role>
      <ShortName>Inventory (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/Inventory</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2324306 - Disclosure - Property and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/PropertyandEquipmentTables</Role>
      <ShortName>Property and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/PropertyandEquipment</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2328307 - Disclosure - Research and Development (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/ResearchandDevelopmentTables</Role>
      <ShortName>Research and Development (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2330308 - Disclosure - Deferred Revenue and Remaining Performance Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/DeferredRevenueandRemainingPerformanceObligationsTables</Role>
      <ShortName>Deferred Revenue and Remaining Performance Obligations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/DeferredRevenueandRemainingPerformanceObligations</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2333309 - Disclosure - Long-term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LongtermDebtTables</Role>
      <ShortName>Long-term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/LongtermDebt</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2337310 - Disclosure - Convertible Notes (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConvertibleNotesTables</Role>
      <ShortName>Convertible Notes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/ConvertibleNotes</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2342311 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/EarningsPerShare</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2346312 - Disclosure - Employee Equity-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationTables</Role>
      <ShortName>Employee Equity-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensation</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2357313 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/Leases</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2362314 - Disclosure - Industry, Geographic and Revenue Disaggregation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregationTables</Role>
      <ShortName>Industry, Geographic and Revenue Disaggregation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregation</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2404401 - Disclosure - Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPoliciesTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Schedule of Product Warranty Reserve Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/OrganizationandNatureofBusinessBasisofPresentationPrinciplesofConsolidationSignificantAccountingPoliciesScheduleofProductWarrantyReserveActivityDetails</Role>
      <ShortName>Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Schedule of Product Warranty Reserve Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - Recently Issued Accounting Pronouncements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/RecentlyIssuedAccountingPronouncementsDetails</Role>
      <ShortName>Recently Issued Accounting Pronouncements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/RecentlyIssuedAccountingPronouncements</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2410404 - Disclosure - Concentration of Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConcentrationofCreditRiskDetails</Role>
      <ShortName>Concentration of Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/ConcentrationofCreditRiskTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2413405 - Disclosure - Fair Value of Financial Instruments - Schedule of Fair Value Measurement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/FairValueofFinancialInstrumentsScheduleofFairValueMeasurementDetails</Role>
      <ShortName>Fair Value of Financial Instruments - Schedule of Fair Value Measurement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2414406 - Disclosure - Fair Value of Financial Instruments - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/FairValueofFinancialInstrumentsNarrativeDetails</Role>
      <ShortName>Fair Value of Financial Instruments - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2417407 - Disclosure - Investments - Schedule of Available-for-sale Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InvestmentsScheduleofAvailableforsaleSecuritiesDetails</Role>
      <ShortName>Investments - Schedule of Available-for-sale Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2418408 - Disclosure - Investments - Schedule of Available-for-Sale Investment Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InvestmentsScheduleofAvailableforSaleInvestmentMaturitiesDetails</Role>
      <ShortName>Investments - Schedule of Available-for-Sale Investment Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2419409 - Disclosure - Investments - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InvestmentsNarrativeDetails</Role>
      <ShortName>Investments - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2422410 - Disclosure - Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/InventoryDetails</Role>
      <ShortName>Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/InventoryTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2425411 - Disclosure - Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/PropertyandEquipmentDetails</Role>
      <ShortName>Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/PropertyandEquipmentTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2427412 - Disclosure - License Agreements and Grants - National Institute of Health Grant (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LicenseAgreementsandGrantsNationalInstituteofHealthGrantDetails</Role>
      <ShortName>License Agreements and Grants - National Institute of Health Grant (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2431413 - Disclosure - Deferred Revenue and Remaining Performance Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/DeferredRevenueandRemainingPerformanceObligationsDetails</Role>
      <ShortName>Deferred Revenue and Remaining Performance Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/DeferredRevenueandRemainingPerformanceObligationsTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2434414 - Disclosure - Long-term Debt - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LongtermDebtNarrativeDetails</Role>
      <ShortName>Long-term Debt - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2435415 - Disclosure - Long-term Debt - Schedule of Maturities of Future Principal Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LongtermDebtScheduleofMaturitiesofFuturePrincipalObligationsDetails</Role>
      <ShortName>Long-term Debt - Schedule of Maturities of Future Principal Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2438416 - Disclosure - Convertible Notes - Narrative (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConvertibleNotesNarrativeDetails</Role>
      <ShortName>Convertible Notes - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2439417 - Disclosure - Convertible Notes - Schedule of Convertible Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConvertibleNotesScheduleofConvertibleNotesDetails</Role>
      <ShortName>Convertible Notes - Schedule of Convertible Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2440418 - Disclosure - Convertible Notes - Schedule of Interest Expense (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://acceleratediagnostics.com/role/ConvertibleNotesScheduleofInterestExpenseDetails</Role>
      <ShortName>Convertible Notes - Schedule of Interest Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2443419 - Disclosure - Earnings Per Share - Schedule of Potentially Issuable Common Shares not Included in Computation of Diluted Net Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EarningsPerShareScheduleofPotentiallyIssuableCommonSharesnotIncludedinComputationofDilutedNetLossPerShareDetails</Role>
      <ShortName>Earnings Per Share - Schedule of Potentially Issuable Common Shares not Included in Computation of Diluted Net Loss Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2444420 - Disclosure - Earnings Per Share - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EarningsPerShareNarrativeDetails</Role>
      <ShortName>Earnings Per Share - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2447421 - Disclosure - Employee Equity-Based Compensation - Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationStockOptionActivityDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2448422 - Disclosure - Employee Equity-Based Compensation - Inputs to Calculate Estimated Fair Value of Options Awarded (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationInputstoCalculateEstimatedFairValueofOptionsAwardedDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Inputs to Calculate Estimated Fair Value of Options Awarded (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2449423 - Disclosure - Employee Equity-Based Compensation - Stock Option Supplemental Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationStockOptionSupplementalInformationDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Stock Option Supplemental Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2450424 - Disclosure - Employee Equity-Based Compensation - Restricted Stock Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationRestrictedStockActivityDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Restricted Stock Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2451425 - Disclosure - Employee Equity-Based Compensation - Equity-Based Compensation Expense and Tax Benefit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationEquityBasedCompensationExpenseandTaxBenefitDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Equity-Based Compensation Expense and Tax Benefit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2452426 - Disclosure - Employee Equity-Based Compensation - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/EmployeeEquityBasedCompensationNarrativeDetails</Role>
      <ShortName>Employee Equity-Based Compensation - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2454427 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/IncomeTaxes</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2458428 - Disclosure - Leases - Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LeasesAssetsandLiabilitiesDetails</Role>
      <ShortName>Leases - Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2459429 - Disclosure - Leases - Maturities of Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Maturities of Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2460430 - Disclosure - Leases - Sales-type Lease Receivable Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/LeasesSalestypeLeaseReceivableMaturityDetails</Role>
      <ShortName>Leases - Sales-type Lease Receivable Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2463431 - Disclosure - Industry, Geographic and Revenue Disaggregation - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregationNarrativeDetails</Role>
      <ShortName>Industry, Geographic and Revenue Disaggregation - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2464432 - Disclosure - Industry, Geographic and Revenue Disaggregation - Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregationDisaggregationofRevenueDetails</Role>
      <ShortName>Industry, Geographic and Revenue Disaggregation - Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2465433 - Disclosure - Industry, Geographic and Revenue Disaggregation - Long-lived Assets by Geographic Territory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/IndustryGeographicandRevenueDisaggregationLonglivedAssetsbyGeographicTerritoryDetails</Role>
      <ShortName>Industry, Geographic and Revenue Disaggregation - Long-lived Assets by Geographic Territory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="axdx-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2467434 - Disclosure - Related Party Transaction (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://acceleratediagnostics.com/role/RelatedPartyTransactionDetails</Role>
      <ShortName>Related Party Transaction (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://acceleratediagnostics.com/role/RelatedPartyTransactions</ParentRole>
      <Position>73</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" original="axdx-20200630.htm">axdx-20200630.htm</File>
    <File>a06302020-exh104ng.htm</File>
    <File>a06302020-exh311ng.htm</File>
    <File>a06302020-exh312ng.htm</File>
    <File>a06302020-exh32ng.htm</File>
    <File>axdx-20200630.xsd</File>
    <File>axdx-20200630_cal.xml</File>
    <File>axdx-20200630_def.xml</File>
    <File>axdx-20200630_lab.xml</File>
    <File>axdx-20200630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/us-gaap/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2020-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
