{ "instance": { "mile-20211231.htm": { "axisCustom": 1, "axisStandard": 38, "contextCount": 260, "dts": { "calculationLink": { "local": [ "mile-20211231_cal.xml" ] }, "definitionLink": { "local": [ "mile-20211231_def.xml" ] }, "inline": { "local": [ "mile-20211231.htm" ] }, "labelLink": { "local": [ "mile-20211231_lab.xml" ] }, "presentationLink": { "local": [ "mile-20211231_pre.xml" ] }, "schema": { "local": [ "mile-20211231.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-types-2021-01-31.xsd", "https://xbrl.sec.gov/country/2021/country-2021.xsd", "https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd", "https://xbrl.sec.gov/stpr/2021/stpr-2021.xsd" ] } }, "elementCount": 832, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2021-01-31": 4, "http://xbrl.sec.gov/dei/2021q4": 4, "total": 8 }, "keyCustom": 119, "keyStandard": 509, "memberCustom": 29, "memberStandard": 69, "nsprefix": "mile", "nsuri": "http://www.metromile.com/20211231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001001 - Document - Cover Page", "role": "http://www.metromile.com/role/CoverPage", "shortName": "Cover Page", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105102 - Disclosure - Fair Value of Financial Instruments", "role": "http://www.metromile.com/role/FairValueofFinancialInstruments", "shortName": "Fair Value of Financial Instruments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111103 - Disclosure - Marketable Securities", "role": "http://www.metromile.com/role/MarketableSecurities", "shortName": "Marketable Securities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ReverseRecapitalizationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2117104 - Disclosure - Business Combination", "role": "http://www.metromile.com/role/BusinessCombination", "shortName": "Business Combination", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ReverseRecapitalizationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2122105 - Disclosure - Website and Software Development Costs, Net", "role": "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNet", "shortName": "Website and Software Development Costs, Net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2125106 - Disclosure - Telematics Devices, Improvements, and Equipment, Net", "role": "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNet", "shortName": "Telematics Devices, Improvements, and Equipment, Net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredPolicyAcquisitionCostsTextBlock1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2128107 - Disclosure - Deferred Policy Acquisition Costs, Net", "role": "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNet", "shortName": "Deferred Policy Acquisition Costs, Net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredPolicyAcquisitionCostsTextBlock1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2131108 - Disclosure - Digital Assets, Net", "role": "http://www.metromile.com/role/DigitalAssetsNet", "shortName": "Digital Assets, Net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InsuranceDisclosureTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2133109 - Disclosure - Loss and Loss Adjustment Expense Reserves", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReserves", "shortName": "Loss and Loss Adjustment Expense Reserves", "subGroupType": "", "uniqueAnchor": null }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ReinsuranceTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2139110 - Disclosure - Reinsurance", "role": "http://www.metromile.com/role/Reinsurance", "shortName": "Reinsurance", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ReinsuranceTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2143111 - Disclosure - Notes Payable, net", "role": "http://www.metromile.com/role/NotesPayablenet", "shortName": "Notes Payable, net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:AuditorName", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "false", "longName": "0002002 - Document - Audit Information", "role": "http://www.metromile.com/role/AuditInformation", "shortName": "Audit Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:AuditorName", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2147112 - Disclosure - Leases, Commitments, and Contingencies", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingencies", "shortName": "Leases, Commitments, and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2153113 - Disclosure - Stockholders\u2019 Equity", "role": "http://www.metromile.com/role/StockholdersEquity", "shortName": "Stockholders\u2019 Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:PublicAndPrivateWarrantsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2155114 - Disclosure - Public and Private Warrants", "role": "http://www.metromile.com/role/PublicandPrivateWarrants", "shortName": "Public and Private Warrants", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:PublicAndPrivateWarrantsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2157115 - Disclosure - Stock Option Plans", "role": "http://www.metromile.com/role/StockOptionPlans", "shortName": "Stock Option Plans", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DefinedContributionPlanTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2164116 - Disclosure - 401(k)", "role": "http://www.metromile.com/role/A401k", "shortName": "401(k)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DefinedContributionPlanTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2166117 - Disclosure - Income Taxes", "role": "http://www.metromile.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2173118 - Disclosure - Segment and Geographic Information", "role": "http://www.metromile.com/role/SegmentandGeographicInformation", "shortName": "Segment and Geographic Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2179119 - Disclosure - Net Loss per Share", "role": "http://www.metromile.com/role/NetLossperShare", "shortName": "Net Loss per Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2184120 - Disclosure - Related Party Transactions", "role": "http://www.metromile.com/role/RelatedPartyTransactions", "shortName": "Related Party Transactions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InsuranceDisclosureTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2186121 - Disclosure - Statutory Financial Information", "role": "http://www.metromile.com/role/StatutoryFinancialInformation", "shortName": "Statutory Financial Information", "subGroupType": "", "uniqueAnchor": null }, "R3": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtSecuritiesAvailableForSaleRestricted", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001003 - Statement - CONSOLIDATED BALANCE SHEETS", "role": "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "shortName": "CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtSecuritiesAvailableForSaleRestricted", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2189122 - Disclosure - Subsequent Event", "role": "http://www.metromile.com/role/SubsequentEvent", "shortName": "Subsequent Event", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2202201 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)", "role": "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies", "shortName": "Basis of Presentation and Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2306301 - Disclosure - Fair Value of Financial Instruments (Tables)", "role": "http://www.metromile.com/role/FairValueofFinancialInstrumentsTables", "shortName": "Fair Value of Financial Instruments (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MarketableSecuritiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312302 - Disclosure - Marketable Securities (Tables)", "role": "http://www.metromile.com/role/MarketableSecuritiesTables", "shortName": "Marketable Securities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:MarketableSecuritiesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ScheduleOfBusinessCombinationProceedsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2318303 - Disclosure - Business Combination (Tables)", "role": "http://www.metromile.com/role/BusinessCombinationTables", "shortName": "Business Combination (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ScheduleOfBusinessCombinationProceedsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2323304 - Disclosure - Website and Software Development Costs, Net (Tables)", "role": "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetTables", "shortName": "Website and Software Development Costs, Net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2326305 - Disclosure - Telematics Devices, Improvements, and Equipment, Net (Tables)", "role": "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetTables", "shortName": "Telematics Devices, Improvements, and Equipment, Net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredPolicyAcquisitionCostsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2329306 - Disclosure - Deferred Policy Acquisition Costs, Net (Tables)", "role": "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetTables", "shortName": "Deferred Policy Acquisition Costs, Net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredPolicyAcquisitionCostsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2334307 - Disclosure - Loss and Loss Adjustment Expense Reserves (Tables)", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesTables", "shortName": "Loss and Loss Adjustment Expense Reserves (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EffectsOfReinsuranceTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2340308 - Disclosure - Reinsurance (Tables)", "role": "http://www.metromile.com/role/ReinsuranceTables", "shortName": "Reinsurance (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EffectsOfReinsuranceTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002004 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "shortName": "CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "lang": "en-US", "name": "us-gaap:PreferredStockParOrStatedValuePerShare", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2344309 - Disclosure - Notes Payable, net (Tables)", "role": "http://www.metromile.com/role/NotesPayablenetTables", "shortName": "Notes Payable, net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeaseCostTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2348310 - Disclosure - Leases, Commitments, and Contingencies (Tables)", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingenciesTables", "shortName": "Leases, Commitments, and Contingencies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeaseCostTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ScheduleOfRestrictedStockUnitsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2358311 - Disclosure - Stock Option Plans (Tables)", "role": "http://www.metromile.com/role/StockOptionPlansTables", "shortName": "Stock Option Plans (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "mile:ScheduleOfRestrictedStockUnitsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2367312 - Disclosure - Income Taxes (Tables)", "role": "http://www.metromile.com/role/IncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2374313 - Disclosure - Segment and Geographic Information (Tables)", "role": "http://www.metromile.com/role/SegmentandGeographicInformationTables", "shortName": "Segment and Geographic Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2380314 - Disclosure - Net Loss per Share (Tables)", "role": "http://www.metromile.com/role/NetLossperShareTables", "shortName": "Net Loss per Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StatutoryAccountingPracticesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2387315 - Disclosure - Statutory Financial Information (Tables)", "role": "http://www.metromile.com/role/StatutoryFinancialInformationTables", "shortName": "Statutory Financial Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StatutoryAccountingPracticesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfStatesInWhichEntityOperates", "reportCount": 1, "unique": true, "unitRef": "state", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403401 - Disclosure - Basis of Presentation and Significant Accounting Policies - Narrative (Details)", "role": "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "shortName": "Basis of Presentation and Significant Accounting Policies - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfStatesInWhichEntityOperates", "reportCount": 1, "unique": true, "unitRef": "state", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i72ba407f8d97452dad03de13b42d8d98_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:RevenueRemainingPerformanceObligationPercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404402 - Disclosure - Basis of Presentation and Significant Accounting Policies - Remaining Performance Obligations (Details)", "role": "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails", "shortName": "Basis of Presentation and Significant Accounting Policies - Remaining Performance Obligations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i72ba407f8d97452dad03de13b42d8d98_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:RevenueRemainingPerformanceObligationPercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407403 - Disclosure - Fair Value of Financial Instruments - Schedule of assets measured on a recurring basis at fair value (Details)", "role": "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "shortName": "Fair Value of Financial Instruments - Schedule of assets measured on a recurring basis at fair value (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PremiumsEarnedNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS", "role": "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PremiumsEarnedNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408404 - Disclosure - Fair Value of Financial Instruments - Schedule of warrant liability (Details)", "role": "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails", "shortName": "Fair Value of Financial Instruments - Schedule of warrant liability (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "idc0f78c0bac447078601f1b11b0eb71f_I20191231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:WarrantsAndRightsOutstandingFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409405 - Disclosure - Fair Value of Financial Instruments - Schedule of Black-Scholes option valuation model (Details)", "role": "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails", "shortName": "Fair Value of Financial Instruments - Schedule of Black-Scholes option valuation model (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:WarrantsAndRightsOutstandingFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ie6700dd878ab40da9aed5c8547ead1b1_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ClassOfWarrantOrRightOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410406 - Disclosure - Fair Value of Financial Instruments - Narrative (Details)", "role": "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "shortName": "Fair Value of Financial Instruments - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ie6700dd878ab40da9aed5c8547ead1b1_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ClassOfWarrantOrRightOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-5", "first": true, "lang": "en-US", "name": "mile:RegulatoryAssetRequirementSpecialDepositsFairValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413407 - Disclosure - Marketable Securities - Narrative (Details)", "role": "http://www.metromile.com/role/MarketableSecuritiesNarrativeDetails", "shortName": "Marketable Securities - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-5", "first": true, "lang": "en-US", "name": "mile:RegulatoryAssetRequirementSpecialDepositsFairValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414408 - Disclosure - Marketable Securities - Schedule of available-for-sale securities (Details)", "role": "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails", "shortName": "Marketable Securities - Schedule of available-for-sale securities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:MarketableSecuritiesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415409 - Disclosure - Marketable Securities - Schedule of amortized cost and estimated fair value of marketable securities (Details)", "role": "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails", "shortName": "Marketable Securities - Schedule of amortized cost and estimated fair value of marketable securities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416410 - Disclosure - Marketable Securities - Continuous loss position (Details)", "role": "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "shortName": "Marketable Securities - Continuous loss position (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "mile:ScheduleOfBusinessCombinationProceedsTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419411 - Disclosure - Business Combination - Schedule of business combination proceeds (Details)", "role": "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails", "shortName": "Business Combination - Schedule of business combination proceeds (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "mile:ScheduleOfBusinessCombinationProceedsTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:BusinessCombinationClassACommonStockOutstandingPrior", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420412 - Disclosure - Business Combination - Schedule of equity changes due to business combination (Details)", "role": "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails", "shortName": "Business Combination - Schedule of equity changes due to business combination (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:BusinessCombinationClassACommonStockOutstandingPrior", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "span", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "8", "first": true, "lang": "en-US", "name": "mile:BusinessCombinationExchangeRatio", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421413 - Disclosure - Business Combination - Narrative (Details)", "role": "http://www.metromile.com/role/BusinessCombinationNarrativeDetails", "shortName": "Business Combination - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i19386ca1e3eb418c852ef79832c9643f_D20211108-20211108", "decimals": "INF", "lang": "en-US", "name": "mile:DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingDays", "reportCount": 1, "unique": true, "unitRef": "tradingday", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS", "role": "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS", "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CapitalizedComputerSoftwareGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424414 - Disclosure - Website and Software Development Costs, Net (Details)", "role": "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails", "shortName": "Website and Software Development Costs, Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CapitalizedComputerSoftwareGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2427415 - Disclosure - Telematics Devices, Improvements, and Equipment, Net (Details)", "role": "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails", "shortName": "Telematics Devices, Improvements, and Equipment, Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DeferredPolicyAcquisitionCostsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:DeferredPolicyAcquisitionCostGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2430416 - Disclosure - Deferred Policy Acquisition Costs, Net (Details)", "role": "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails", "shortName": "Deferred Policy Acquisition Costs, Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DeferredPolicyAcquisitionCostsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:DeferredPolicyAcquisitionCostGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2432417 - Disclosure - Digital Assets, Net (Details)", "role": "http://www.metromile.com/role/DigitalAssetsNetDetails", "shortName": "Digital Assets, Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ix:continuation", "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i0133ca9b41204f34814149f31a1cfa64_D20210101-20211231", "decimals": "-5", "lang": "en-US", "name": "us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2435418 - Disclosure - Loss and Loss Adjustment Expense Reserves - Reconciliation of the reserve balances for losses and LAE (Details)", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails", "shortName": "Loss and Loss Adjustment Expense Reserves - Reconciliation of the reserve balances for losses and LAE (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2436419 - Disclosure - Loss and Loss Adjustment Expense Reserves - Average historical claims duration (Details)", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails", "shortName": "Loss and Loss Adjustment Expense Reserves - Average historical claims duration (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2437420 - Disclosure - Loss and Loss Adjustment Expense Reserves - Incurred and paid claims development, net of reinsurance (Details)", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails", "shortName": "Loss and Loss Adjustment Expense Reserves - Incurred and paid claims development, net of reinsurance (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2438421 - Disclosure - Loss and Loss Adjustment Expense Reserves - Incurred and paid claims development (Details)", "role": "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails", "shortName": "Loss and Loss Adjustment Expense Reserves - Incurred and paid claims development (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:PaymentsForLossesAndLossAdjustmentExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "id856f877f6354810b2e85c1fcbb74e94_D20210201-20210228", "decimals": "-5", "first": true, "lang": "en-US", "name": "mile:PaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2441422 - Disclosure - Reinsurance - Narrative (Details)", "role": "http://www.metromile.com/role/ReinsuranceNarrativeDetails", "shortName": "Reinsurance - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "id856f877f6354810b2e85c1fcbb74e94_D20210201-20210228", "decimals": "-5", "first": true, "lang": "en-US", "name": "mile:PaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DirectPremiumsEarned", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2442423 - Disclosure - Reinsurance - Schedule of reinsurance (Details)", "role": "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails", "shortName": "Reinsurance - Schedule of reinsurance (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:EffectsOfReinsuranceTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:PremiumsWrittenNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "idc0f78c0bac447078601f1b11b0eb71f_I20191231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:TemporaryEquitySharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005007 - Statement - CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS\u2019 (DEFICIT) EQUITY", "role": "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY", "shortName": "CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS\u2019 (DEFICIT) EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "idc0f78c0bac447078601f1b11b0eb71f_I20191231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:TemporaryEquitySharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfDebtTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2445424 - Disclosure - Notes Payable, net - Schedule of debt outstanding, net (Details)", "role": "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails", "shortName": "Notes Payable, net - Schedule of debt outstanding, net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfDebtTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i696eff7f52ef4e0385512ae2387bb80c_D20200401-20200430", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:ProceedsFromIssuanceOfLongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2446425 - Disclosure - Notes Payable, net - Narrative (Details)", "role": "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "shortName": "Notes Payable, net - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i696eff7f52ef4e0385512ae2387bb80c_D20200401-20200430", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:ProceedsFromIssuanceOfLongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:OperatingLeaseNumberOfRealEstateLocations", "reportCount": 1, "unique": true, "unitRef": "location", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2449426 - Disclosure - Leases, Commitments, and Contingencies - Narrative (Details)", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails", "shortName": "Leases, Commitments, and Contingencies - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:OperatingLeaseNumberOfRealEstateLocations", "reportCount": 1, "unique": true, "unitRef": "location", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2450427 - Disclosure - Leases, Commitments, and Contingencies - Operating lease cost (Details)", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails", "shortName": "Leases, Commitments, and Contingencies - Operating lease cost (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2451428 - Disclosure - Leases, Commitments, and Contingencies - Maturities of operating lease liabilities (Details)", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails", "shortName": "Leases, Commitments, and Contingencies - Maturities of operating lease liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2452429 - Disclosure - Leases, Commitments, and Contingencies - Future minimum lease payments (Details)", "role": "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails", "shortName": "Leases, Commitments, and Contingencies - Future minimum lease payments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:CommonStockSharesAuthorized", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2454430 - Disclosure - Stockholders\u2019 Equity (Details)", "role": "http://www.metromile.com/role/StockholdersEquityDetails", "shortName": "Stockholders\u2019 Equity (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R77": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2456431 - Disclosure - Public and Private Warrants (Details)", "role": "http://www.metromile.com/role/PublicandPrivateWarrantsDetails", "shortName": "Public and Private Warrants (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:RestrictedStockUnitsGrants", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2459432 - Disclosure - Stock Option Plans - Narrative (Details)", "role": "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "shortName": "Stock Option Plans - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "mile:RestrictedStockUnitsGrants", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "mile:ScheduleOfRestrictedStockUnitsTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2460433 - Disclosure - Stock Option Plans - Schedule of restricted stock units (Details)", "role": "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails", "shortName": "Stock Option Plans - Schedule of restricted stock units (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "mile:ScheduleOfRestrictedStockUnitsTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1006008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:DepreciationAndAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i45b4a6b0960840cfa539c721a0bebeb5_D20200101-20201231", "decimals": "4", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2461434 - Disclosure - Stock Option Plans - Schedule of estimate the value of options granted (Details)", "role": "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails", "shortName": "Stock Option Plans - Schedule of estimate the value of options granted (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i45b4a6b0960840cfa539c721a0bebeb5_D20200101-20201231", "decimals": "4", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2462435 - Disclosure - Stock Option Plans - Schedule of activity of stock option plan (Details)", "role": "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails", "shortName": "Stock Option Plans - Schedule of activity of stock option plan (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2463436 - Disclosure - Stock Option Plans - Schedule of stock-based compensation expense for employee and nonemployee options (Details)", "role": "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails", "shortName": "Stock Option Plans - Schedule of stock-based compensation expense for employee and nonemployee options (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "ix:continuation", "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2465437 - Disclosure - 401(k) (Details)", "role": "http://www.metromile.com/role/A401kDetails", "shortName": "401(k) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ix:continuation", "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CurrentIncomeTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2468438 - Disclosure - Income Taxes - Schedule of net deferred tax assets or liabilities (Details)", "role": "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails", "shortName": "Income Taxes - Schedule of net deferred tax assets or liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CurrentIncomeTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2469439 - Disclosure - Income Taxes - Reconciliation of tax expense (benefit) (Details)", "role": "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails", "shortName": "Income Taxes - Reconciliation of tax expense (benefit) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2470440 - Disclosure - Income Taxes - Deferred tax assets and liabilities (Details)", "role": "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails", "shortName": "Income Taxes - Deferred tax assets and liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-6", "first": true, "lang": "en-US", "name": "mile:OperatingLossCarryforwardsSubjectToExpiration", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2471441 - Disclosure - Income Taxes - Narrative (Details)", "role": "http://www.metromile.com/role/IncomeTaxesNarrativeDetails", "shortName": "Income Taxes - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-6", "first": true, "lang": "en-US", "name": "mile:OperatingLossCarryforwardsSubjectToExpiration", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i66bf22d991fa4dd0b2dbc66c374aec45_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2472442 - Disclosure - Income Taxes - Uncertain tax positions (Details)", "role": "http://www.metromile.com/role/IncomeTaxesUncertaintaxpositionsDetails", "shortName": "Income Taxes - Uncertain tax positions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "idc0f78c0bac447078601f1b11b0eb71f_I20191231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2475443 - Disclosure - Segment and Geographic Information - Narrative (Details)", "role": "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "shortName": "Segment and Geographic Information - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101101 - Disclosure - Basis of Presentation and Significant Accounting Policies", "role": "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPolicies", "shortName": "Basis of Presentation and Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2476444 - Disclosure - Segment and Geographic Information - Schedule of operating results (Details)", "role": "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails", "shortName": "Segment and Geographic Information - Schedule of operating results (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "mile:SegmentContribution", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:TotalSegmentContribution", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2477445 - Disclosure - Segment and Geographic Information - Schedule of contribution to its total loss from operations (Details)", "role": "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails", "shortName": "Segment and Geographic Information - Schedule of contribution to its total loss from operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "mile:TotalSegmentContribution", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DirectPremiumsEarned", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2478446 - Disclosure - Segment and Geographic Information - Schedule of geographical breakdown of direct earned premiums (Details)", "role": "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails", "shortName": "Segment and Geographic Information - Schedule of geographical breakdown of direct earned premiums (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2fe9928dc9b84e929717ca71a68ebf1e_D20210101-20211231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:DirectPremiumsEarned", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "8", "first": true, "lang": "en-US", "name": "mile:ReverseRecapitalizationRatio", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2481447 - Disclosure - Net Loss per Share - Narrative (Details)", "role": "http://www.metromile.com/role/NetLossperShareNarrativeDetails", "shortName": "Net Loss per Share - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "8", "first": true, "lang": "en-US", "name": "mile:ReverseRecapitalizationRatio", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2482448 - Disclosure - Net Loss per Share - Schedule of basic and diluted net loss per share (Details)", "role": "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails", "shortName": "Net Loss per Share - Schedule of basic and diluted net loss per share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "0", "first": true, "lang": "en-US", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2483449 - Disclosure - Net Loss per Share - Schedule of antidilutive securities excluded from computation of earnings per share (Details)", "role": "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails", "shortName": "Net Loss per Share - Schedule of antidilutive securities excluded from computation of earnings per share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "0", "first": true, "lang": "en-US", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i2626c9595d2c4978815e9eb31c78df8f_D20210101-20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2485450 - Disclosure - Related Party Transactions (Details)", "role": "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "shortName": "Related Party Transactions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i4ad2edff5e5d4cd3aa8a31fe008b60e5_D20210101-20211231", "decimals": "-5", "lang": "en-US", "name": "us-gaap:RevenueFromRelatedParties", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:StatutoryAccountingPracticesDisclosureTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2488451 - Disclosure - Statutory Financial Information (Details)", "role": "http://www.metromile.com/role/StatutoryFinancialInformationDetails", "shortName": "Statutory Financial Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:StatutoryAccountingPracticesDisclosureTextBlock", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "ib675476d1235438ab49e02bd81712fda_I20211231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R98": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i767d24ced7924ef8bedfcd3fb260087e_D20220101-20220101", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:ContractsInForceSubjectToParticipationThroughReinsurancePercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2490452 - Disclosure - Subsequent Event (Details)", "role": "http://www.metromile.com/role/SubsequentEventDetails", "shortName": "Subsequent Event (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "mile-20211231.htm", "contextRef": "i767d24ced7924ef8bedfcd3fb260087e_D20220101-20220101", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:ContractsInForceSubjectToParticipationThroughReinsurancePercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } } }, "segmentCount": 102, "tag": { "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_AuditorFirmId": { "auth_ref": [ "r772", "r773", "r774" ], "lang": { "en-us": { "role": { "documentation": "PCAOB issued Audit Firm Identifier", "label": "Auditor Firm ID", "terseLabel": "Auditor Firm ID" } } }, "localname": "AuditorFirmId", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/AuditInformation", "http://www.metromile.com/role/CoverPage" ], "xbrltype": "nonemptySequenceNumberItemType" }, "dei_AuditorLocation": { "auth_ref": [ "r772", "r773", "r774" ], "lang": { "en-us": { "role": { "label": "Auditor Location", "terseLabel": "Auditor Location" } } }, "localname": "AuditorLocation", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/AuditInformation" ], "xbrltype": "internationalNameItemType" }, "dei_AuditorName": { "auth_ref": [ "r772", "r773", "r774" ], "lang": { "en-us": { "role": { "label": "Auditor Name", "terseLabel": "Auditor Name" } } }, "localname": "AuditorName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/AuditInformation" ], "xbrltype": "internationalNameItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]", "terseLabel": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r772", "r773", "r774" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "gYearItemType" }, "dei_DocumentInformationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Document Information [Line Items]", "terseLabel": "Document Information [Line Items]" } } }, "localname": "DocumentInformationLineItems", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "stringItemType" }, "dei_DocumentInformationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package.", "label": "Document Information [Table]", "terseLabel": "Document Information [Table]" } } }, "localname": "DocumentInformationTable", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "stringItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "dateItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r775" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "submissionTypeItemType" }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "auth_ref": [ "r770" ], "lang": { "en-us": { "role": { "documentation": "Documents incorporated by reference.", "label": "Documents Incorporated by Reference [Text Block]", "terseLabel": "Documents Incorporated by Reference" } } }, "localname": "DocumentsIncorporatedByReferenceTextBlock", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "textBlockItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]", "terseLabel": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r784" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float", "terseLabel": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r769" ], "lang": { "en-us": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [ "r785" ], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r772", "r773", "r774" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag", "terseLabel": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r768" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r771" ], "lang": { "en-us": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2021q4", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "tradingSymbolItemType" }, "mile_AccumulatedImpairmentOfIntangibleAssetsIndefiniteLivedExcludingGoodwill": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Accumulated Impairment Of Intangible Assets, Indefinite-Lived (Excluding Goodwill)", "label": "Accumulated Impairment Of Intangible Assets, Indefinite-Lived (Excluding Goodwill)", "terseLabel": "Impairment losses" } } }, "localname": "AccumulatedImpairmentOfIntangibleAssetsIndefiniteLivedExcludingGoodwill", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "monetaryItemType" }, "mile_AcquisitionCostsFromReinsurance": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The Amount of acquisition costs from reinsurance.", "label": "Acquisition Costs From Reinsurance", "terseLabel": "Acquisition costs from reinsurance" } } }, "localname": "AcquisitionCostsFromReinsurance", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_AdditionalDebtFacility": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "label": "Additional Debt Facility", "terseLabel": "Additional funds" } } }, "localname": "AdditionalDebtFacility", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_AuditInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Audit Information", "label": "Audit Information [Abstract]" } } }, "localname": "AuditInformationAbstract", "nsuri": "http://www.metromile.com/20211231", "xbrltype": "stringItemType" }, "mile_BusinessCombinationCashPaymentsToCompanyShareholders": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Business combination cash payments to company shareholders.", "label": "Business Combination, Cash Payments To Company Shareholders", "terseLabel": "Less cash payments to Metromile Operating Company stockholders" } } }, "localname": "BusinessCombinationCashPaymentsToCompanyShareholders", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "mile_BusinessCombinationClassACommonStockOutstandingPrior": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Business Combination Class A Common Stock Outstanding Prior", "terseLabel": "INSU Class A Common stock, outstanding prior to Business Combination (in shares)" } } }, "localname": "BusinessCombinationClassACommonStockOutstandingPrior", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationClassBCommonStockOutstandingPrior": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Business Combination Class B Common Stock Outstanding Prior", "terseLabel": "INSU Class B Common stock, outstanding prior to Business Combination (in shares)" } } }, "localname": "BusinessCombinationClassBCommonStockOutstandingPrior", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationCommonStockShares": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails": { "order": 1.0, "parentTag": "mile_BusinessCombinationsAndPIPEFinancingShare", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Business Combination Common Stock Shares.", "label": "Business Combination, Common Stock, Shares", "terseLabel": "Common stock of INSU (in shares)" } } }, "localname": "BusinessCombinationCommonStockShares", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationExchangeRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Business Combination, Exchange Ratio", "label": "Business Combination, Exchange Ratio", "terseLabel": "Business combination converted exchange ratio" } } }, "localname": "BusinessCombinationExchangeRatio", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "pureItemType" }, "mile_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOthers": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities Others", "terseLabel": "Less non-cash net liabilities assumed from INSU" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOthers", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "mile_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetExcludingUnrestrictedCashAndCashEquivalents": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, And Liabilities Assumed, Net, Excluding Unrestricted Cash And Cash Equivalents", "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, And Liabilities Assumed, Net, Excluding Unrestricted Cash And Cash Equivalents", "terseLabel": "Equity value, net of unrestricted cash and cash equivalents" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetExcludingUnrestrictedCashAndCashEquivalents", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_BusinessCombinationRedemptionOfShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Business Combination redemption of shares.", "label": "Business Combination, Redemption Of Shares", "terseLabel": "Less redemption of INSU shares (in shares)" } } }, "localname": "BusinessCombinationRedemptionOfShares", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationsAndPIPEFinancingShare": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails": { "order": 2.0, "parentTag": "us-gaap_StockIssuedDuringPeriodSharesAcquisitions", "weight": 1.0 } }, "lang": { "en-us": { "role": { "label": "Business Combinations And PIPE Financing Share", "totalLabel": "Business Combination and PIPE financing shares (in shares)" } } }, "localname": "BusinessCombinationsAndPIPEFinancingShare", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationsOperatingCompanyShares": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails": { "order": 1.0, "parentTag": "us-gaap_StockIssuedDuringPeriodSharesAcquisitions", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Business Combinations operating company shares.", "label": "Business Combinations Operating Company Shares", "terseLabel": "Metromile Operating Company shares (in shares)" } } }, "localname": "BusinessCombinationsOperatingCompanyShares", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_BusinessCombinationsPIPESharesIssued": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails": { "order": 2.0, "parentTag": "mile_BusinessCombinationsAndPIPEFinancingShare", "weight": 1.0 } }, "lang": { "en-us": { "role": { "label": "Business Combinations PIPE Shares Issued", "terseLabel": "Shares issued in PIPE (in shares)" } } }, "localname": "BusinessCombinationsPIPESharesIssued", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "mile_COVID19Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "COVID-19", "label": "COVID-19 [Member]", "terseLabel": "COVID-19" } } }, "localname": "COVID19Member", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_CapitalizedStockBasedCompensation": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Capitalized stock-based compensation.", "label": "Capitalized Stock based Compensation", "terseLabel": "Capitalized stock-based compensation" } } }, "localname": "CapitalizedStockBasedCompensation", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_CapitalizedWebsiteAndSoftwareDevelopmentCostsIncludedInAccruedLiabilitiesAtPeriodEnd": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Capitalized website and software development costs included in accrued liabilities at period end.", "label": "Capitalized Website And Software Development Costs Included In Accrued Liabilities At Period End", "terseLabel": "Capitalized website and software development costs included in accrued liabilities" } } }, "localname": "CapitalizedWebsiteAndSoftwareDevelopmentCostsIncludedInAccruedLiabilitiesAtPeriodEnd", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_CashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CashEquivalentsAbstract", "terseLabel": "Cash equivalents" } } }, "localname": "CashEquivalentsAbstract", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "mile_CededMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ceded [Member]", "label": "Ceded [Member]", "terseLabel": "Ceded" } } }, "localname": "CededMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "mile_CededPremiumLossAndLAE": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 3.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Ceded premium losses and LAE.", "label": "Ceded Premium Loss And LAE", "terseLabel": "Ceded premium, losses and LAE" } } }, "localname": "CededPremiumLossAndLAE", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "mile_ClassOfWarrantOrRightCommencementPeriodPeriodAfterBusinessCombination": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Commencement Period, Period After Business Combination", "label": "Class Of Warrant Or Right, Commencement Period, Period After Business Combination", "terseLabel": "Purchase period, after completion of business combination" } } }, "localname": "ClassOfWarrantOrRightCommencementPeriodPeriodAfterBusinessCombination", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "durationItemType" }, "mile_ClassOfWarrantOrRightCommencementPeriodPeriodAfterPublicOffering": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Commencement Period, Period After Public Offering", "label": "Class Of Warrant Or Right, Commencement Period, Period After Public Offering", "terseLabel": "Purchase period, after IPO closing date" } } }, "localname": "ClassOfWarrantOrRightCommencementPeriodPeriodAfterPublicOffering", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "durationItemType" }, "mile_ClassOfWarrantOrRightPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Policy", "label": "Class Of Warrant Or Right, Policy [Policy Text Block]", "terseLabel": "Warrants Liability" } } }, "localname": "ClassOfWarrantOrRightPolicyPolicyTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "mile_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsWrittenNoticeOfRedemptionThreshold": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Redemption Of Warrants Or Rights, Written Notice Of Redemption, Threshold", "label": "Class Of Warrant Or Right, Redemption Of Warrants Or Rights, Written Notice Of Redemption, Threshold", "terseLabel": "Period prior written notice of redemption" } } }, "localname": "ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsWrittenNoticeOfRedemptionThreshold", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "durationItemType" }, "mile_CommonStockWarrantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Common Stock Warrants", "label": "Common Stock Warrants [Member]", "terseLabel": "Warrants for common stock" } } }, "localname": "CommonStockWarrantsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "mile_ContractualObligationToBePaidAfterYearFour": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 3.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Contractual Obligation, To Be Paid, After Year Four", "label": "Contractual Obligation, To Be Paid, After Year Four", "totalLabel": "Thereafter" } } }, "localname": "ContractualObligationToBePaidAfterYearFour", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "mile_ConversionOfNoteFromOfficer": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The Amount of Conversion of promissory note.", "label": "Conversion Of Note From Officer", "terseLabel": "Conversion of promissory note" } } }, "localname": "ConversionOfNoteFromOfficer", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "mile_ConversionOfNoteFromTheOfficer": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "label": "Conversion Of Note From The Officer", "terseLabel": "Net exercise of promissory note" } } }, "localname": "ConversionOfNoteFromTheOfficer", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_ConvertiblePreferredStockWarrantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible Preferred Stock Warrants", "label": "Convertible Preferred Stock Warrants [Member]", "terseLabel": "Convertible Preferred Stock Warrants" } } }, "localname": "ConvertiblePreferredStockWarrantsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_DebtInstrumentDeferralPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Deferral Period", "label": "Debt Instrument, Deferral Period", "terseLabel": "Deferral period" } } }, "localname": "DebtInstrumentDeferralPeriod", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "durationItemType" }, "mile_DebtInstrumentEndOfTermFee": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of End Of Term Fee.", "label": "Debt Instrument End Of Term Fee", "terseLabel": "End of term fee rate" } } }, "localname": "DebtInstrumentEndOfTermFee", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "percentItemType" }, "mile_DebtInstrumentOutstandingBalanceThresholdOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Outstanding Balance Threshold One", "label": "Debt Instrument, Outstanding Balance Threshold One [Member]", "terseLabel": "Debt Instrument, Outstanding Balance Threshold One" } } }, "localname": "DebtInstrumentOutstandingBalanceThresholdOneMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_DebtInstrumentOutstandingBalanceThresholdThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Outstanding Balance Threshold Three", "label": "Debt Instrument, Outstanding Balance Threshold Three [Member]", "terseLabel": "Debt Instrument, Outstanding Balance Threshold Three" } } }, "localname": "DebtInstrumentOutstandingBalanceThresholdThreeMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_DebtInstrumentOutstandingBalanceThresholdTwoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Outstanding Balance Threshold Two", "label": "Debt Instrument, Outstanding Balance Threshold Two [Member]", "terseLabel": "Debt Instrument, Outstanding Balance Threshold Two" } } }, "localname": "DebtInstrumentOutstandingBalanceThresholdTwoMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_DebtInstrumentOutstandingBalanceThresholdsForInterestRateAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate", "label": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate [Axis]", "terseLabel": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate [Axis]" } } }, "localname": "DebtInstrumentOutstandingBalanceThresholdsForInterestRateAxis", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "stringItemType" }, "mile_DebtInstrumentOutstandingBalanceThresholdsForInterestRateDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate [Domain]", "label": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate [Domain]", "terseLabel": "Debt Instrument, Outstanding Balance Thresholds For Interest Rate [Domain]" } } }, "localname": "DebtInstrumentOutstandingBalanceThresholdsForInterestRateDomain", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_DeferredPolicyAcquisitionCostGross": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred policy acquisition cost.", "label": "Deferred Policy Acquisition Cost, Gross", "terseLabel": "Deferred policy acquisition costs" } } }, "localname": "DeferredPolicyAcquisitionCostGross", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "mile_DeferredTaxAssetsAnnualLimitation": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Assets, Annual Limitation", "label": "Deferred Tax Assets, Annual Limitation", "terseLabel": "Deduction limitation" } } }, "localname": "DeferredTaxAssetsAnnualLimitation", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_DeferredTaxAssetsNetBeforeValuationAllowance": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Assets, Net, Before Valuation Allowance", "label": "Deferred Tax Assets, Net, Before Valuation Allowance", "totalLabel": "Net deferred tax assets before valuation allowance" } } }, "localname": "DeferredTaxAssetsNetBeforeValuationAllowance", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "mile_DeferredTaxAssetsOperatingLossCarryforwardAnnualDeductionLimitationAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Assets, Operating Loss Carryforward, Annual Deduction Limitation Amount", "label": "Deferred Tax Assets, Operating Loss Carryforward, Annual Deduction Limitation Amount", "terseLabel": "Net operating loss carryforwards" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwardAnnualDeductionLimitationAmount", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_DeferredTaxAssetsOperatingLossCarryforwardAnnualDeductionLimitationAmountResearch": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Assets, Operating Loss Carryforward, Annual Deduction Limitation Amount, Research", "label": "Deferred Tax Assets, Operating Loss Carryforward, Annual Deduction Limitation Amount, Research", "terseLabel": "Net operating loss carryforwards, research and development" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwardAnnualDeductionLimitationAmountResearch", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_DefinedContributionPlanCostCurrentFiscalYear": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Defined Contribution Plan, Cost, Current Fiscal Year", "label": "Defined Contribution Plan, Cost, Current Fiscal Year", "terseLabel": "Incurred expenses in current year" } } }, "localname": "DefinedContributionPlanCostCurrentFiscalYear", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/A401kDetails" ], "xbrltype": "monetaryItemType" }, "mile_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodStockPriceTrigger": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Stock Price Trigger", "label": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Stock Price Trigger", "terseLabel": "Closing period (in dollars per share)" } } }, "localname": "DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodStockPriceTrigger", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "perShareItemType" }, "mile_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingDayPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Day Period", "label": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Day Period", "terseLabel": "Threshold trading day period" } } }, "localname": "DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingDayPeriod", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "durationItemType" }, "mile_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingDays": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Days", "label": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Days", "terseLabel": "Number of trading days" } } }, "localname": "DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingDays", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Period", "label": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Threshold Trading Period", "terseLabel": "Trading days" } } }, "localname": "DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodThresholdTradingPeriod", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "durationItemType" }, "mile_DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodTradingDaysPriorConversion": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Trading Days Prior Conversion", "label": "Derivative Instrument, Contingent Consideration, Liability, Earnout Period, Trading Days Prior Conversion", "terseLabel": "Number of trading days prior to conversion" } } }, "localname": "DerivativeInstrumentContingentConsiderationLiabilityEarnoutPeriodTradingDaysPriorConversion", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_DigitalAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Digital Assets", "label": "Digital Assets [Member]", "terseLabel": "Bitcoin" } } }, "localname": "DigitalAssetsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "domainItemType" }, "mile_DigitalAssetsNet": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of digital assets, net.", "label": "Digital Assets Net", "terseLabel": "Digital assets, net" } } }, "localname": "DigitalAssetsNet", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "mile_DigitalAssetsNetPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for digital assets, net.", "label": "Digital Assets, Net [Policy Text Block]", "terseLabel": "Digital Assets, Net" } } }, "localname": "DigitalAssetsNetPolicyTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "mile_DirectMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Direct [Member]", "label": "Direct [Member]", "terseLabel": "Direct" } } }, "localname": "DirectMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "mile_EffectiveDateFirstYearMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Effective Date First Year [Member]", "label": "Effective Date First Year [Member]", "terseLabel": "Effective Date First Year" } } }, "localname": "EffectiveDateFirstYearMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_EffectiveDateSecoundYearMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Effective Date Secound Year [Member]", "label": "EffectiveDateSecoundYear [Member]", "terseLabel": "Effective Date Second Year" } } }, "localname": "EffectiveDateSecoundYearMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_EffectiveIncomeTaxRateReconciliationMarkToMarketWarrantsAmount": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Mark To Market Warrants, Amount", "label": "Effective Income Tax Rate Reconciliation, Mark To Market Warrants, Amount", "terseLabel": "Warrants \u2013 mark to market" } } }, "localname": "EffectiveIncomeTaxRateReconciliationMarkToMarketWarrantsAmount", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails" ], "xbrltype": "monetaryItemType" }, "mile_EnterpriseBusinessSolutionsSegmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "EnterpriseBusinessSolutions [Member]", "label": "Enterprise Business Solutions Segment [Member]", "terseLabel": "Enterprise business solutions" } } }, "localname": "EnterpriseBusinessSolutionsSegmentMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "domainItemType" }, "mile_ExpenseFromPSUs": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "label": "Expense From PSUs", "terseLabel": "Expense from PSUs" } } }, "localname": "ExpenseFromPSUs", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain Included in Earnings", "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain Included in Earnings", "terseLabel": "Increase in fair value of warrant" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "mile_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityLossIncludedInEarnings": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Loss Included in Earnings", "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Loss Included in Earnings", "negatedTerseLabel": "Decrease in fair value of Public and Private placement Warrants" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityLossIncludedInEarnings", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "mile_FairValueOfWarrantLiability": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of fair value of warrant liability.", "label": "Fair Value Of Warrant Liability", "terseLabel": "Estimated fair value" } } }, "localname": "FairValueOfWarrantLiability", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_IncreaseDecreaseInDeferredTransactionCosts": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred transaction costs.", "label": "Increase (Decrease) In Deferred Transaction Costs", "terseLabel": "Deferred transaction costs" } } }, "localname": "IncreaseDecreaseInDeferredTransactionCosts", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_IncreaseDecreaseInDigitalAssetsNet": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the period digital assets, net. .", "label": "Increase (Decrease) In Digital Assets Net", "negatedLabel": "Digital assets, net" } } }, "localname": "IncreaseDecreaseInDigitalAssetsNet", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_IncreaseDecreasePayableToCarrier": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 21.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The Amount of Payable to carriers - premiums and LAE, net.", "label": "Increase (Decrease) Payable To Carrier", "terseLabel": "Payable to carriers - premiums and LAE, net" } } }, "localname": "IncreaseDecreasePayableToCarrier", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_IncreaseDecreaseReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The Amount of Reinsurance recoverable on unpaid loss.", "label": "Increase (Decrease) Reinsurance Recoverable For Unpaid Claims And Claims Adjustments", "terseLabel": "Reinsurance recoverable on unpaid loss" } } }, "localname": "IncreaseDecreaseReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_InsuranceServicesSegmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "InsuranceServices [Member]", "label": "Insurance Services Segment [Member]", "terseLabel": "Insurance services" } } }, "localname": "InsuranceServicesSegmentMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "domainItemType" }, "mile_IssuedOutstandingPerformanceBasedAwards": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Issued Outstanding Performance Based Awards", "terseLabel": "Issued outstanding performance-based awards (in shares)" } } }, "localname": "IssuedOutstandingPerformanceBasedAwards", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "sharesItemType" }, "mile_LemonadeIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lemonade, Inc.", "label": "Lemonade, Inc. [Member]", "terseLabel": "Lemonade, Inc." } } }, "localname": "LemonadeIncMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_LessDeferredCedingCommission": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Less deferred ceding commission.", "label": "Less Deferred Ceding Commission", "negatedTerseLabel": "Deferred ceding commission" } } }, "localname": "LessDeferredCedingCommission", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "mile_LiabilityForClaimsAndClaimsAdjustmentExpenses": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 2.0, "parentTag": "mile_NetLossAndLAEReserve", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "label": "Liability For Claims And Claims Adjustment Expenses", "terseLabel": "Direct Loss and LAE Reserves" } } }, "localname": "LiabilityForClaimsAndClaimsAdjustmentExpenses", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "mile_LoanAndSecurityAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Loan and Security Agreement [Member]", "label": "Loan And Security Agreement [Member]", "terseLabel": "2019 Loan and Security Agreement" } } }, "localname": "LoanAndSecurityAgreementMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_LoanAndSecurityAgreementOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Loan And Security Agreement One [Member]", "label": "Loan And Security Agreement One [Member]", "terseLabel": "2019 Loan and Security Agreement" } } }, "localname": "LoanAndSecurityAgreementOneMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "domainItemType" }, "mile_LongTermDebtsGross": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "LongTermDebtsGross", "terseLabel": "Principal amount due" } } }, "localname": "LongTermDebtsGross", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_MarketableSecuritiesRestrictedAbstract0": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "MarketableSecuritiesRestrictedAbstract0", "label": "MarketableSecuritiesRestrictedAbstract0", "terseLabel": "Marketable securities - restricted" } } }, "localname": "MarketableSecuritiesRestrictedAbstract0", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "mile_MetromileIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metromile, Inc.", "label": "Metromile, Inc. [Member]", "terseLabel": "Metromile, Inc." } } }, "localname": "MetromileIncMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_MetromileInsuranceCompanyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Metromile Insurance Company [Member]", "label": "Metromile Insurance Company [Member]", "terseLabel": "Metromile Insurance Company" } } }, "localname": "MetromileInsuranceCompanyMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_NetChangeInPayableReceivableForSecurities": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount is net change in payable/(receivable) for securities.", "label": "Net Change In Payable Receivable For Securities", "terseLabel": "Net change in payable/(receivable) for securities" } } }, "localname": "NetChangeInPayableReceivableForSecurities", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_NetExerciseOfPreferredStockWarrants": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Net exercise of preferred stock warrants.", "label": "Net Exercise Of Preferred Stock Warrants", "terseLabel": "Net exercise of preferred stock warrants" } } }, "localname": "NetExerciseOfPreferredStockWarrants", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_NetLossAndLAEReserve": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Net Loss and LAE Reserves.", "label": "Net Loss And LAE Reserve", "totalLabel": "Net Loss and LAE Reserves" } } }, "localname": "NetLossAndLAEReserve", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "mile_NetPremiumEarned": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written.", "label": "Net Premium Earned", "totalLabel": "Net Premium Earned" } } }, "localname": "NetPremiumEarned", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "mile_NetUnearnedPremium": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of Net Unearned premiums assumed from other entities.", "label": "Net Unearned Premium", "totalLabel": "Net Unearned Premium" } } }, "localname": "NetUnearnedPremium", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "mile_NoteReceivableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Note Receivable [Member]", "label": "Note Receivable [Member]", "terseLabel": "Note Receivable" } } }, "localname": "NoteReceivableMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "mile_NumberOfQuotaShareReinsuranceAgreements": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Quota-Share Reinsurance Agreements", "label": "Number Of Quota-Share Reinsurance Agreements", "terseLabel": "Number of quota-share reinsurance agreements" } } }, "localname": "NumberOfQuotaShareReinsuranceAgreements", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_NumberOfUnaffiliatedReinsurers": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Unaffiliated Reinsurers", "label": "Number Of Unaffiliated Reinsurers", "terseLabel": "Number of unaffiliated reinsurers" } } }, "localname": "NumberOfUnaffiliatedReinsurers", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_NumberOfVendors": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Vendors", "label": "Number Of Vendors", "terseLabel": "Number of vendors" } } }, "localname": "NumberOfVendors", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "integerItemType" }, "mile_OneCustomerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "One Customer", "label": "One Customer [Member]", "terseLabel": "One Customer" } } }, "localname": "OneCustomerMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_OperatingLeaseNumberOfRealEstateLocations": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating Lease, Number Of Real Estate Locations", "label": "Operating Lease, Number Of Real Estate Locations", "terseLabel": "Number of real estate locations" } } }, "localname": "OperatingLeaseNumberOfRealEstateLocations", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_OperatingLossCarryforwardsNotSubjectToExpiration": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Operating Loss Carryforwards, Not Subject To Expiration", "label": "Operating Loss Carryforwards, Not Subject To Expiration", "terseLabel": "Net operating losses not subject to expiration" } } }, "localname": "OperatingLossCarryforwardsNotSubjectToExpiration", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_OperatingLossCarryforwardsSubjectToExpiration": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Operating Loss Carryforwards, Subject To Expiration", "label": "Operating Loss Carryforwards, Subject To Expiration", "terseLabel": "Net operating losses subject to expiration" } } }, "localname": "OperatingLossCarryforwardsSubjectToExpiration", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_OtherIncomeExpenseValue": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 1.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue and income classified as other.", "label": "Other (Income) Expense, Value", "terseLabel": "Other income" } } }, "localname": "OtherIncomeExpenseValue", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "mile_OverviewAndBasisOfPresentationDetailsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Overview and Basis of Presentation (Details) [Line Items]", "label": "Overview and Basis of Presentation (Details) [Line Items]", "terseLabel": "Overview and Basis of Presentation (Details) [Line Items]" } } }, "localname": "OverviewAndBasisOfPresentationDetailsLineItems", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "mile_OverviewandBasisofPresentationDetailsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Business Description And Accounting Policies [Line Items]", "terseLabel": "Business Description And Accounting Policies [Line Items]" } } }, "localname": "OverviewandBasisofPresentationDetailsLineItems", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "mile_OverviewandBasisofPresentationDetailsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Overview and Basis of Presentation (Details) [Table]", "terseLabel": "Overview and Basis of Presentation [Table]" } } }, "localname": "OverviewandBasisofPresentationDetailsTable", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "mile_PSUsTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "PSUsTerm", "terseLabel": "PSUs term" } } }, "localname": "PSUsTerm", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "durationItemType" }, "mile_PaidInKindInterestCapitalized": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of paid in kind interest capitalized.", "label": "Paid-in-kind Interest Capitalized", "terseLabel": "Capitalized payment" } } }, "localname": "PaidInKindInterestCapitalized", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_PaidNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of paid net.", "label": "Paid, Net", "terseLabel": "Paid net" } } }, "localname": "PaidNet", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_PayableToCarriers": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 10.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Payable To Carriers", "label": "Payable To Carriers", "terseLabel": "Payable to carriers - premiums and LAE, net" } } }, "localname": "PayableToCarriers", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "mile_PaycheckProtectionProgramLoanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Paycheck Protection Program Loan [Member]", "label": "Paycheck Protection Program Loan [Member]", "terseLabel": "Paycheck Protection Program Loan" } } }, "localname": "PaycheckProtectionProgramLoanMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "domainItemType" }, "mile_PaymentsForLossesAndLossAdjustmentExpenses": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of payment to settle insured claims and pay costs incurred in the claims settlement process.", "label": "Payments For Losses And Loss Adjustment Expenses", "totalLabel": "Total paid" } } }, "localname": "PaymentsForLossesAndLossAdjustmentExpenses", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "mile_PerformanceBasedAwardsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Performance Based Awards [Member]", "label": "Performance Based Awards [Member]", "terseLabel": "Performance Based Awards" } } }, "localname": "PerformanceBasedAwardsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "domainItemType" }, "mile_PipeCashProceeds": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of pipe cash proceeds.", "label": "Pipe Cash Proceeds", "terseLabel": "Cash \u2013 PIPE" } } }, "localname": "PipeCashProceeds", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "mile_PolicyServicesExpensesAndOtherAmount": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 7.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of policy servicing expense and other.", "label": "Policy Services Expenses And Other Amount", "terseLabel": "Policy services expenses and other" } } }, "localname": "PolicyServicesExpensesAndOtherAmount", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "mile_PolicyServicingExpenseAndOther": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of policy servicing expense and other.", "label": "Policy Servicing Expense And Other", "terseLabel": "Policy servicing expense and other" } } }, "localname": "PolicyServicingExpenseAndOther", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "mile_PreferredStockWarrantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Preferred Stock Warrants", "label": "Preferred Stock Warrants [Member]", "terseLabel": "Warrants for preferred stock" } } }, "localname": "PreferredStockWarrantsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "mile_PrepaymentCharge": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "PrepaymentCharge", "terseLabel": "Prepayment charge" } } }, "localname": "PrepaymentCharge", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "percentItemType" }, "mile_PrepaymentChargeInterest": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "PrepaymentChargeInterest", "terseLabel": "Prepayment charge interest" } } }, "localname": "PrepaymentChargeInterest", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "percentItemType" }, "mile_PricePerWarrant": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The price per warrant.", "label": "PricePerWarrant", "terseLabel": "Price per warrant (in dollars per share)" } } }, "localname": "PricePerWarrant", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "perShareItemType" }, "mile_PrivateWarrantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Private Warrants [Member]", "label": "Private Warrants [Member]", "terseLabel": "Private Warrants" } } }, "localname": "PrivateWarrantsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "domainItemType" }, "mile_ProceedsFromReverseRecapitalization": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Proceeds From Reverse Recapitalization", "label": "Proceeds From Reverse Recapitalization", "terseLabel": "Proceeds from merger with INSU II, net of issuance costs" } } }, "localname": "ProceedsFromReverseRecapitalization", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_PropertyPlantAndEquipmentNumberOfDevicesAvailableToSend": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Property, Plant And Equipment, Number Of Devices Available To Send", "label": "Property, Plant And Equipment, Number Of Devices Available To Send", "terseLabel": "Number of devices available to send to policyholders" } } }, "localname": "PropertyPlantAndEquipmentNumberOfDevicesAvailableToSend", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "integerItemType" }, "mile_PublicAndPrivateWarrantsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Public And Private Warrants [Abstract]" } } }, "localname": "PublicAndPrivateWarrantsAbstract", "nsuri": "http://www.metromile.com/20211231", "xbrltype": "stringItemType" }, "mile_PublicAndPrivateWarrantsTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for public and private warrants exercisable for common stock.", "label": "Public And Private Warrants [Text Block]", "terseLabel": "Public and Private Warrants" } } }, "localname": "PublicAndPrivateWarrantsTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrants" ], "xbrltype": "textBlockItemType" }, "mile_PublicWarrantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Public Warrants [Member]", "label": "Public Warrants [Member]", "terseLabel": "Public Warrants" } } }, "localname": "PublicWarrantsMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "domainItemType" }, "mile_PublicandPrivateWarrantsDetailsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Public and Private Warrants (Details) [Line Items]", "terseLabel": "Public and Private Warrants (Details) [Line Items]" } } }, "localname": "PublicandPrivateWarrantsDetailsLineItems", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "stringItemType" }, "mile_PublicandPrivateWarrantsDetailsTable": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Public and Private Warrants (Details) [Table]", "terseLabel": "Public and Private Warrants (Details) [Table]" } } }, "localname": "PublicandPrivateWarrantsDetailsTable", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "stringItemType" }, "mile_PurchaseObligationToBePaidAfterYearFour": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_PurchaseObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Purchase Obligation, To Be Paid, After Year Four", "label": "Purchase Obligation, To Be Paid, After Year Four", "terseLabel": "Thereafter" } } }, "localname": "PurchaseObligationToBePaidAfterYearFour", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "mile_RSUsWithheldForTaxPurposes": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The Amount of RSUs withheld for tax purposes.", "label": "RSUs Withheld For Tax Purposes", "terseLabel": "RSUs withheld for tax purposes" } } }, "localname": "RSUsWithheldForTaxPurposes", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "mile_RecapitalizationExchangeRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Recapitalization Exchange Ratio", "label": "Recapitalization Exchange Ratio", "terseLabel": "Exchange ratio for reverse recapitalization" } } }, "localname": "RecapitalizationExchangeRatio", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "pureItemType" }, "mile_ReclassificationOfLiabilityToEquityForVestingOfStockOptions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Reclassification of liability to equity for vesting of stock options.", "label": "Reclassification Of Liability To Equity For Vesting Of Stock Options", "terseLabel": "Reclassification of liability to equity for vesting of stock\u00a0options" } } }, "localname": "ReclassificationOfLiabilityToEquityForVestingOfStockOptions", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_RegulatoryAssetRequirementSpecialDepositsFairValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "label": "Regulatory Asset Requirement Special Deposits Fair Value", "terseLabel": "Marketable securities bonds with carrying values" } } }, "localname": "RegulatoryAssetRequirementSpecialDepositsFairValue", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_ReinsuranceCedingRate": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reinsurance Ceding Rate", "terseLabel": "Reinsurance ceding rate" } } }, "localname": "ReinsuranceCedingRate", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails" ], "xbrltype": "percentItemType" }, "mile_RelatedPartyLoanReceivableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Related Party Loan Receivable", "label": "Related Party Loan Receivable [Member]", "terseLabel": "Related Party Loan Receivable" } } }, "localname": "RelatedPartyLoanReceivableMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "mile_RelatedPartyTransactionTermAfterEventOfChange": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Related Party Transaction, Term After Event Of Change", "label": "Related Party Transaction, Term After Event Of Change", "terseLabel": "Due amount after termination of employee" } } }, "localname": "RelatedPartyTransactionTermAfterEventOfChange", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "durationItemType" }, "mile_RelatedPartyTransactionTermAfterIssuance": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Related Party Transaction, Term After Issuance", "label": "Related Party Transaction, Term After Issuance", "terseLabel": "Term after issuance" } } }, "localname": "RelatedPartyTransactionTermAfterIssuance", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "durationItemType" }, "mile_RestrictedStockUnitsGranted": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RestrictedStockUnitsGranted", "terseLabel": "Restricted stock units granted (in shares)" } } }, "localname": "RestrictedStockUnitsGranted", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "sharesItemType" }, "mile_RestrictedStockUnitsGrants": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RestrictedStockUnitsGrants", "terseLabel": "Restricted stock units grants (in shares)" } } }, "localname": "RestrictedStockUnitsGrants", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "sharesItemType" }, "mile_RestrictedStockUnitsVested": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RestrictedStockUnitsVested", "terseLabel": "Restricted stock units vested (in shares)" } } }, "localname": "RestrictedStockUnitsVested", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "sharesItemType" }, "mile_ReverseRecapitalizationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Reverse Recapitalization", "label": "Reverse Recapitalization [Abstract]" } } }, "localname": "ReverseRecapitalizationAbstract", "nsuri": "http://www.metromile.com/20211231", "xbrltype": "stringItemType" }, "mile_ReverseRecapitalizationDisclosureTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Reverse Recapitalization Disclosure", "label": "Reverse Recapitalization Disclosure [Text Block]", "terseLabel": "Business Combination" } } }, "localname": "ReverseRecapitalizationDisclosureTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombination" ], "xbrltype": "textBlockItemType" }, "mile_ReverseRecapitalizationRatio": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Reverse Recapitalization Ratio", "label": "Reverse Recapitalization Ratio", "terseLabel": "Reverse recapitalization ratio" } } }, "localname": "ReverseRecapitalizationRatio", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NetLossperShareNarrativeDetails" ], "xbrltype": "decimalItemType" }, "mile_ReverseRecapitalizationTransactionCosts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Reverse Recapitalization Transaction Costs", "label": "Reverse Recapitalization Transaction Costs", "terseLabel": "Transaction costs" } } }, "localname": "ReverseRecapitalizationTransactionCosts", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_SalesMarketingAndOtherAcquisitionCosts": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 3.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sales, marketing and other acquisition costs.", "label": "Sales Marketing And Other Acquisition Costs", "terseLabel": "Sales, marketing and other acquisition costs" } } }, "localname": "SalesMarketingAndOtherAcquisitionCosts", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "mile_SalesMarketingAndOtherAcquisitionExpenses": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 4.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sales, marketing, and other acquisition costs.", "label": "Sales Marketing And Other Acquisition Expenses", "terseLabel": "Sales, marketing, and other acquisition costs" } } }, "localname": "SalesMarketingAndOtherAcquisitionExpenses", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "mile_ScheduleOfBusinessCombinationProceedsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The tabular disclosure of business combination.", "label": "Schedule Of Business Combination Proceeds [Table Text Block]", "terseLabel": "Schedule of business combination proceeds" } } }, "localname": "ScheduleOfBusinessCombinationProceedsTableTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BusinessCombinationTables" ], "xbrltype": "textBlockItemType" }, "mile_ScheduleOfRestrictedStockUnitsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Schedule Of Restricted Stock Units [Table Text Block]", "terseLabel": "Schedule of restricted stock units" } } }, "localname": "ScheduleOfRestrictedStockUnitsTableTextBlock", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansTables" ], "xbrltype": "textBlockItemType" }, "mile_SecuritiesPayable": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Securities Payable", "label": "Securities Payable", "terseLabel": "Payable for securities" } } }, "localname": "SecuritiesPayable", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "mile_SegmentContribution": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of segment contribution.", "label": "Segment Contribution", "terseLabel": "Total contribution" } } }, "localname": "SegmentContribution", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "monetaryItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Expected Forfeiture Rate", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Expected Forfeiture Rate", "terseLabel": "Forfeiture rate" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRateMaximum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Expected Forfeiture Rate, Maximum", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Expected Forfeiture Rate, Maximum", "terseLabel": "Forfeiture rate, maximum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRateMaximum", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRateMinimum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected ForfeitureRate.", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Expected Forfeiture Rate, Minimum", "terseLabel": "Forfeiture rate, minimum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRateMinimum", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAggregateIntrinsicValueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Additional Disclosures, Aggregate Intrinsic Value", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Additional Disclosures, Aggregate Intrinsic Value [Abstract]", "terseLabel": "Aggregate Intrinsic Value (in thousands)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAggregateIntrinsicValueAbstract", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "stringItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresWeightedAverageRemainingContractualTermAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Additional Disclosures, Weighted Average Remaining Contractual Term", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Additional Disclosures, Weighted Average Remaining Contractual Term [Abstract]", "terseLabel": "Weighted- Average Remaining Contractual Term (Years)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresWeightedAverageRemainingContractualTermAbstract", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "stringItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm3": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term3", "terseLabel": "Vested and expected" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm3", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "durationItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDateFairValueOfSharesVested": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "label": "Share-Based Compensation Arrangement By Share-Based Payment Award Options Grant Date Fair Value Of Shares Vested", "terseLabel": "Total grant date fair value of shares vested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDateFairValueOfSharesVested", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingThresholdConsecutiveTradingDays": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting, Threshold Consecutive Trading Days", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting, Threshold Consecutive Trading Days", "terseLabel": "Trading window" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingThresholdConsecutiveTradingDays", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "durationItemType" }, "mile_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingThresholdTradingDays": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting, Threshold Trading Days", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting, Threshold Trading Days", "terseLabel": "Vesting threshold trading days" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingThresholdTradingDays", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "durationItemType" }, "mile_ShareBasedCompensationExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "label": "ShareBasedCompensationExpense", "terseLabel": "Share based compensation expense" } } }, "localname": "ShareBasedCompensationExpense", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "mile_ShortDurationInsuranceContractsHistoricalClaimsDurationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Short-Duration Insurance Contracts, Historical Claims Duration", "label": "Short-Duration Insurance Contracts, Historical Claims Duration [Abstract]", "terseLabel": "Years" } } }, "localname": "ShortDurationInsuranceContractsHistoricalClaimsDurationAbstract", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "stringItemType" }, "mile_StatutoryAccountingPracticesCapitalContributions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Statutory Accounting Practices, Capital Contributions", "label": "Statutory Accounting Practices, Capital Contributions", "terseLabel": "Capital contributions" } } }, "localname": "StatutoryAccountingPracticesCapitalContributions", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StatutoryFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "mile_StockIssuedDuringPeriodValueInterestOnStockPurchasePromissoryNote": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Interest on stock purchase promissory note .", "label": "Stock Issued During Period Value Interest On Stock Purchase Promissory Note", "terseLabel": "Interest on stock purchase promissory note" } } }, "localname": "StockIssuedDuringPeriodValueInterestOnStockPurchasePromissoryNote", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "mile_StockNumberOfOptionsOptionsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Number of Options, Options exercised.", "label": "StockNumberOfOptionsOptionsExercised", "negatedLabel": "Options exercised (in shares)" } } }, "localname": "StockNumberOfOptionsOptionsExercised", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "mile_StockOptionPlansDetailsScheduleofestimatethevalueofoptionsgrantedLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stock Option Plans (Details) - Schedule of estimate the value of options granted [Line Items]", "terseLabel": "Stock Option Plans (Details) - Schedule of estimate the value of options granted [Line Items]" } } }, "localname": "StockOptionPlansDetailsScheduleofestimatethevalueofoptionsgrantedLineItems", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "stringItemType" }, "mile_StockOptionPlansDetailsScheduleofestimatethevalueofoptionsgrantedTable": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stock Option Plans (Details) - Schedule of estimate the value of options granted [Table]", "terseLabel": "Stock Option Plans (Details) - Schedule of estimate the value of options granted [Table]" } } }, "localname": "StockOptionPlansDetailsScheduleofestimatethevalueofoptionsgrantedTable", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "stringItemType" }, "mile_StockPlan2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "2021 Stock Plan [Member]", "label": "Stock Plan 2021 [Member]", "terseLabel": "Stock Plan 2021" } } }, "localname": "StockPlan2021Member", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "domainItemType" }, "mile_SubordinatedNotePurchaseAndSecurityAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Subordinated Note Purchase And Security Agreement [Member]", "label": "Subordinated Note Purchase And Security Agreement [Member]", "terseLabel": "Subordinated Note Purchase and Security Agreement" } } }, "localname": "SubordinatedNotePurchaseAndSecurityAgreementMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "domainItemType" }, "mile_TelematicDevicesUnreturned": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Telematic devices unreturned.", "label": "Telematic Devices Unreturned", "terseLabel": "Telematics devices unreturned" } } }, "localname": "TelematicDevicesUnreturned", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_TelematicsDevicesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Telematics Devices", "label": "Telematics Devices [Member]", "terseLabel": "Telematics devices" } } }, "localname": "TelematicsDevicesMember", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "mile_TemporaryEquityConversionOfConvertibleSecuritiesShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Temporary Equity, Conversion Of Convertible Securities, Shares", "label": "Temporary Equity, Conversion Of Convertible Securities, Shares", "negatedTerseLabel": "Conversion of preferred stock to common (in shares)" } } }, "localname": "TemporaryEquityConversionOfConvertibleSecuritiesShares", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "mile_TemporaryEquityConversionOfConvertibleSecuritiesValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Temporary Equity, Conversion Of Convertible Securities, Value", "label": "Temporary Equity, Conversion Of Convertible Securities, Value", "negatedTerseLabel": "Conversion of preferred stock to common" } } }, "localname": "TemporaryEquityConversionOfConvertibleSecuritiesValue", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "mile_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Temporary Equity, Stock Issued During Period, Shares, New Issues", "terseLabel": "Exercise of convertible preferred stock warrants (in shares)" } } }, "localname": "TemporaryEquityStockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "mile_TemporaryReductionInNumberOfEmployees": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Temporary Reduction In Number Of Employees", "label": "Temporary Reduction In Number Of Employees", "terseLabel": "Temporary reduction in number of employees" } } }, "localname": "TemporaryReductionInNumberOfEmployees", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "integerItemType" }, "mile_TotalSegmentContribution": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 6.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of total segment contribution.", "label": "Total Segment Contribution", "terseLabel": "Total segment contribution" } } }, "localname": "TotalSegmentContribution", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "mile_UnpaidClaimsAdjustmentExpenseAndLossAdjustmentExpenseLiabilityForPriorYears": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 1.0, "parentTag": "mile_PaymentsForLossesAndLossAdjustmentExpenses", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of payments to settle claims incurred in prior periods and related claims settlement cost.", "label": "Unpaid Claims Adjustment Expense And Loss Adjustment Expense Liability For Prior Years", "terseLabel": "Prior years" } } }, "localname": "UnpaidClaimsAdjustmentExpenseAndLossAdjustmentExpenseLiabilityForPriorYears", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "mile_WarrantsAndRightsOutstandingFairValueDisclosure": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Warrants And Rights Outstanding, Fair Value Disclosure", "label": "Warrants And Rights Outstanding, Fair Value Disclosure", "terseLabel": "Warrant liability" } } }, "localname": "WarrantsAndRightsOutstandingFairValueDisclosure", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "monetaryItemType" }, "mile_WarrantsIssuedDuringPeriodValueTemporaryEquityIssued": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Warrants Issued During Period, Value, Temporary Equity Issued", "label": "Warrants Issued During Period, Value, Temporary Equity Issued", "terseLabel": "Preferred stock warrant issued in conjunction with note payable" } } }, "localname": "WarrantsIssuedDuringPeriodValueTemporaryEquityIssued", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "mile_WarrantsIssuedForDebt": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of warrants issued for debt.", "label": "WarrantsIssuedForDebt", "terseLabel": "Warrants issued for debt (in shares)" } } }, "localname": "WarrantsIssuedForDebt", "nsuri": "http://www.metromile.com/20211231", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "sharesItemType" }, "srt_ChiefExecutiveOfficerMember": { "auth_ref": [ "r194" ], "lang": { "en-us": { "role": { "label": "Chief Executive Officer [Member]", "terseLabel": "Chief Executive Officer" } } }, "localname": "ChiefExecutiveOfficerMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r104", "r162", "r175", "r176", "r177", "r178", "r180", "r182", "r186", "r271", "r272", "r273", "r274", "r275", "r276", "r278", "r279", "r281", "r283", "r284" ], "lang": { "en-us": { "role": { "label": "Consolidation Items [Axis]", "terseLabel": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [ "r104", "r162", "r175", "r176", "r177", "r178", "r180", "r182", "r186", "r271", "r272", "r273", "r274", "r275", "r276", "r278", "r279", "r281", "r283", "r284" ], "lang": { "en-us": { "role": { "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_MajorCustomersAxis": { "auth_ref": [ "r192", "r347", "r351", "r705" ], "lang": { "en-us": { "role": { "label": "Customer [Axis]", "terseLabel": "Customer [Axis]" } } }, "localname": "MajorCustomersAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [ "r289", "r324", "r365", "r367", "r566", "r567", "r568", "r569", "r570", "r571", "r591", "r702", "r706", "r761", "r762" ], "lang": { "en-us": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "domainItemType" }, "srt_MedianMember": { "auth_ref": [ "r493" ], "lang": { "en-us": { "role": { "label": "Median [Member]", "terseLabel": "Median" } } }, "localname": "MedianMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [ "r289", "r324", "r365", "r367", "r566", "r567", "r568", "r569", "r570", "r571", "r591", "r702", "r706", "r761", "r762" ], "lang": { "en-us": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "domainItemType" }, "srt_NameOfMajorCustomerDomain": { "auth_ref": [ "r192", "r347", "r351", "r705" ], "lang": { "en-us": { "role": { "label": "Customer [Domain]", "terseLabel": "Customer [Domain]" } } }, "localname": "NameOfMajorCustomerDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r188", "r347", "r349", "r593", "r701", "r703" ], "lang": { "en-us": { "role": { "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [ "r188", "r347", "r349", "r593", "r701", "r703" ], "lang": { "en-us": { "role": { "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [ "r289", "r324", "r352", "r365", "r367", "r566", "r567", "r568", "r569", "r570", "r571", "r591", "r702", "r706", "r761", "r762" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [ "r289", "r324", "r352", "r365", "r367", "r566", "r567", "r568", "r569", "r570", "r571", "r591", "r702", "r706", "r761", "r762" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "domainItemType" }, "srt_RestatementAdjustmentMember": { "auth_ref": [ "r106", "r107", "r108", "r109", "r110", "r113", "r114", "r116", "r118", "r119", "r121", "r122", "r138", "r485", "r486" ], "lang": { "en-us": { "role": { "label": "Revision of Prior Period, Adjustment [Member]", "terseLabel": "Retroactive application of recapitalization" } } }, "localname": "RestatementAdjustmentMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "srt_RestatementAxis": { "auth_ref": [ "r3", "r106", "r107", "r108", "r109", "r110", "r113", "r114", "r115", "r116", "r118", "r119", "r120", "r121", "r122", "r123", "r138", "r222", "r223", "r408", "r447", "r481", "r485", "r486", "r487", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r718", "r719", "r789", "r790" ], "lang": { "en-us": { "role": { "label": "Revision of Prior Period [Axis]", "terseLabel": "Revision of Prior Period [Axis]" } } }, "localname": "RestatementAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "srt_RestatementDomain": { "auth_ref": [ "r3", "r106", "r107", "r108", "r109", "r110", "r113", "r114", "r115", "r116", "r118", "r119", "r120", "r121", "r122", "r123", "r138", "r222", "r223", "r408", "r447", "r481", "r485", "r486", "r487", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r718", "r719", "r789", "r790" ], "lang": { "en-us": { "role": { "label": "Revision of Prior Period [Domain]", "terseLabel": "Revision of Prior Period [Domain]" } } }, "localname": "RestatementDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "srt_ScenarioPreviouslyReportedMember": { "auth_ref": [ "r3", "r106", "r108", "r109", "r110", "r113", "r114", "r115", "r116", "r118", "r119", "r121", "r122", "r138", "r222", "r223", "r408", "r447", "r481", "r485", "r486", "r487", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r718", "r719", "r789", "r790" ], "lang": { "en-us": { "role": { "label": "Previously Reported [Member]", "terseLabel": "Previously Reported" } } }, "localname": "ScenarioPreviouslyReportedMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [ "r189", "r190", "r347", "r350", "r704", "r752", "r753", "r754", "r755", "r756", "r757", "r758", "r759", "r760" ], "lang": { "en-us": { "role": { "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r189", "r190", "r347", "r350", "r704", "r744", "r752", "r753", "r754", "r755", "r756", "r757", "r758", "r759", "r760" ], "lang": { "en-us": { "role": { "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "stringItemType" }, "stpr_AZ": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "ARIZONA", "terseLabel": "Arizona" } } }, "localname": "AZ", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_CA": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CALIFORNIA", "terseLabel": "California" } } }, "localname": "CA", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_IL": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "ILLINOIS", "terseLabel": "Illinois" } } }, "localname": "IL", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_NJ": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "NEW JERSEY", "terseLabel": "New Jersey" } } }, "localname": "NJ", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_OR": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "OREGON", "terseLabel": "Oregon" } } }, "localname": "OR", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_PA": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "PENNSYLVANIA", "terseLabel": "Pennsylvania" } } }, "localname": "PA", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_VA": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "VIRGINIA", "terseLabel": "Virginia" } } }, "localname": "VA", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "stpr_WA": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "WASHINGTON", "terseLabel": "Washington" } } }, "localname": "WA", "nsuri": "http://xbrl.sec.gov/stpr/2021", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Accounting Policies [Abstract]", "terseLabel": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201602Member": { "auth_ref": [ "r529" ], "lang": { "en-us": { "role": { "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842).", "label": "Accounting Standards Update 2016-02 [Member]", "terseLabel": "Accounting Standards Update 2016-02" } } }, "localname": "AccountingStandardsUpdate201602Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableAndOtherAccruedLiabilities": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.", "label": "Accounts Payable and Other Accrued Liabilities", "terseLabel": "Accounts payable and accrued expenses" } } }, "localname": "AccountsPayableAndOtherAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableRelatedParties": { "auth_ref": [ "r23", "r102", "r549", "r551", "r655" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "For an unclassified balance sheet, amount of receivables arising from transactions with related parties.", "label": "Accounts Receivable, Related Parties", "terseLabel": "Accounts receivable" } } }, "localname": "AccountsReceivableRelatedParties", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r34", "r255" ], "calculation": { "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedTerseLabel": "Accumulated depreciation and amortization" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r26", "r47", "r48", "r49", "r651", "r715", "r719" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Accumulated other comprehensive (loss) income" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r46", "r49", "r56", "r57", "r58", "r106", "r107", "r108", "r471", "r710", "r711", "r790" ], "lang": { "en-us": { "role": { "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.", "label": "AOCI Attributable to Parent [Member]", "terseLabel": "Accumulated Other Comprehensive Income" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_AdditionalPaidInCapital": { "auth_ref": [ "r24", "r408", "r556" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.", "label": "Additional Paid in Capital", "terseLabel": "Accumulated paid-in capital" } } }, "localname": "AdditionalPaidInCapital", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [ "r106", "r107", "r108", "r405", "r406", "r407", "r485" ], "lang": { "en-us": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "APIC" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentForAmortization": { "auth_ref": [ "r84", "r245" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.", "label": "Amortization", "terseLabel": "Total amortization expense" } } }, "localname": "AdjustmentForAmortization", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r0", "r1", "r2", "r3", "r4", "r109", "r110", "r111", "r112", "r123", "r196", "r197", "r218", "r219", "r220", "r221", "r222", "r223", "r270", "r401", "r402", "r403", "r404", "r405", "r406", "r407", "r408", "r444", "r445", "r446", "r447", "r477", "r478", "r479", "r480", "r481", "r482", "r483", "r484", "r485", "r486", "r487", "r504", "r505", "r506", "r507", "r508", "r509", "r510", "r511", "r545", "r594", "r595", "r596", "r708", "r709", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r718", "r719", "r786", "r787", "r788", "r789", "r790" ], "lang": { "en-us": { "role": { "documentation": "Information by amendment to accounting standards.", "label": "Accounting Standards Update [Axis]", "terseLabel": "Accounting Standards Update [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net loss to cash used in operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_AdvertisingCostsPolicyTextBlock": { "auth_ref": [ "r412" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for advertising cost.", "label": "Advertising Cost [Policy Text Block]", "terseLabel": "Advertising Expenses" } } }, "localname": "AdvertisingCostsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_AdvertisingExpense": { "auth_ref": [ "r413" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.", "label": "Advertising Expense", "terseLabel": "Advertising expenses" } } }, "localname": "AdvertisingExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r369", "r398", "r410" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-based Payment Arrangement, Expense", "terseLabel": "Total stock-based compensation" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCosts": { "auth_ref": [ "r66", "r84", "r309", "r523" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 20.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs.", "label": "Amortization of Debt Issuance Costs", "terseLabel": "Amortization of debt issuance costs" } } }, "localname": "AmortizationOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Total anti-dilutive securities (in shares)" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Information by type of antidilutive security.", "label": "Antidilutive Securities [Axis]", "terseLabel": "Antidilutive Securities [Axis]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]", "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesNameDomain": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.", "label": "Antidilutive Securities, Name [Domain]", "terseLabel": "Antidilutive Securities, Name [Domain]" } } }, "localname": "AntidilutiveSecuritiesNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AssetBackedSecuritiesMember": { "auth_ref": [ "r207", "r353" ], "lang": { "en-us": { "role": { "documentation": "Securities that are primarily serviced by the cash flows of a discrete pool of receivables or other financial assets for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans.", "label": "Asset-backed Securities [Member]", "verboseLabel": "Asset backed securities" } } }, "localname": "AssetBackedSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_Assets": { "auth_ref": [ "r98", "r170", "r177", "r184", "r217", "r271", "r272", "r273", "r275", "r276", "r277", "r278", "r280", "r282", "r284", "r285", "r467", "r472", "r503", "r554", "r556", "r613", "r647" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "terseLabel": "Total asset", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": { "auth_ref": [ "r202" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax", "negatedLabel": "Unrealized Loss" } } }, "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": { "auth_ref": [ "r199", "r229" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Amortized Cost", "terseLabel": "Amortized Cost", "verboseLabel": "Amortized cost" } } }, "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-sale [Abstract]", "terseLabel": "Fair Value" } } }, "localname": "AvailableForSaleSecuritiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]", "terseLabel": "Unrealized Losses" } } }, "localname": "AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": { "auth_ref": [ "r203", "r205", "r630" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails": { "order": 2.0, "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five", "terseLabel": "Due between one to five years" } } }, "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate": { "auth_ref": [ "r203", "r206", "r631" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.", "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value", "totalLabel": "Total" } } }, "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue": { "auth_ref": [ "r203", "r204", "r629" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails": { "order": 1.0, "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One", "terseLabel": "Due within one year" } } }, "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "auth_ref": [ "r198", "r200", "r229", "r618" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale", "terseLabel": "Total marketable securities - restricted", "verboseLabel": "Estimated Fair Value" } } }, "localname": "AvailableForSaleSecuritiesDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r371", "r400" ], "lang": { "en-us": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).", "label": "Basis of Accounting, Policy [Policy Text Block]", "terseLabel": "Basis of Presentation" } } }, "localname": "BasisOfAccountingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "auth_ref": [ "r364", "r366" ], "lang": { "en-us": { "role": { "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.", "label": "Business Acquisition, Acquiree [Domain]", "terseLabel": "Business Acquisition, Acquiree [Domain]" } } }, "localname": "BusinessAcquisitionAcquireeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAxis": { "auth_ref": [ "r364", "r366", "r460", "r461" ], "lang": { "en-us": { "role": { "documentation": "Information by business combination or series of individually immaterial business combinations.", "label": "Business Acquisition [Axis]", "terseLabel": "Business Acquisition [Axis]" } } }, "localname": "BusinessAcquisitionAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessCombinationAcquisitionRelatedCosts": { "auth_ref": [ "r458" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.", "label": "Business Combination, Acquisition Related Costs", "terseLabel": "Less transaction costs and advisory fees paid" } } }, "localname": "BusinessCombinationAcquisitionRelatedCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialLiabilities": { "auth_ref": [ "r462", "r463" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities", "terseLabel": "Warrants assumed from Business Combination" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet": { "auth_ref": [ "r462", "r463" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net", "terseLabel": "Net contributions from Business Combination and PIPE Financing" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet": { "auth_ref": [ "r463" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net", "terseLabel": "Fully diluted equity value" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Business Combination, Separately Recognized Transactions [Line Items]", "terseLabel": "Business Combination, Separately Recognized Transactions [Line Items]" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsTable": { "auth_ref": [ "r459" ], "lang": { "en-us": { "role": { "documentation": "Schedule detailing the disclosures related to transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination by type of transaction.", "label": "Business Combination, Separately Recognized Transactions [Table]", "terseLabel": "Business Combination, Separately Recognized Transactions [Table]" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r105", "r156" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the business description and accounting policies concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Accounting policies describe all significant accounting policies of the reporting entity.", "label": "Business Description and Accounting Policies [Text Block]", "terseLabel": "Basis of Presentation and Significant Accounting Policies" } } }, "localname": "BusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy": { "auth_ref": [ "r678" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for deferred policy acquisition costs, including the nature, type, and amount of capitalized costs incurred to write or acquire insurance contracts, and the basis for and methodologies applied in capitalizing and amortizing such costs.", "label": "Deferred Policy Acquisition Costs, Policy [Policy Text Block]", "terseLabel": "Deferred Policy Acquisition Costs (\"DPAC\")" } } }, "localname": "CapitalizationOfDeferredPolicyAcquisitionCostsPolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization": { "auth_ref": [ "r765" ], "calculation": { "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails": { "order": 2.0, "parentTag": "us-gaap_CapitalizedComputerSoftwareNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.", "label": "Capitalized Computer Software, Accumulated Amortization", "negatedTerseLabel": "Accumulated amortization" } } }, "localname": "CapitalizedComputerSoftwareAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAmortization1": { "auth_ref": [ "r764", "r766" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 5.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 }, "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 5.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for amortization of capitalized computer software costs.", "label": "Capitalized Computer Software, Amortization", "terseLabel": "Amortization of capitalized software" } } }, "localname": "CapitalizedComputerSoftwareAmortization1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails", "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareGross": { "auth_ref": [ "r765" ], "calculation": { "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalizedComputerSoftwareNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.", "label": "Capitalized Computer Software, Gross", "terseLabel": "Capitalized website and software development costs" } } }, "localname": "CapitalizedComputerSoftwareGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareNet": { "auth_ref": [ "r763" ], "calculation": { "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.", "label": "Capitalized Computer Software, Net", "totalLabel": "Capitalized website and software development costs, net" } } }, "localname": "CapitalizedComputerSoftwareNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwarePeriodIncreaseDecrease": { "auth_ref": [ "r765" ], "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in capitalized computer software costs.", "label": "Capitalized Computer Software, Period Increase (Decrease)", "terseLabel": "Net amount of capitalized website and software development costs written off" } } }, "localname": "CapitalizedComputerSoftwarePeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostNet": { "auth_ref": [ "r240" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.", "label": "Capitalized Contract Cost, Net", "terseLabel": "Deferred contract cost" } } }, "localname": "CapitalizedContractCostNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers": { "auth_ref": [ "r13", "r612", "r646", "r763" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use.", "label": "Capitalized Software Development Costs for Software Sold to Customers", "terseLabel": "Website and software development costs, net" } } }, "localname": "CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r9", "r31", "r86" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of cash and cash equivalent balance.", "label": "Cash and Cash Equivalents [Axis]", "terseLabel": "Cash and Cash Equivalents [Axis]" } } }, "localname": "CashAndCashEquivalentsAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "auth_ref": [ "r10", "r89" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Cash, Cash Equivalents and Restricted Cash" } } }, "localname": "CashAndCashEquivalentsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r79", "r86", "r91" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "periodEndLabel": "Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period", "periodStartLabel": "Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r79", "r512" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Net increase in cash, cash equivalents, restricted cash and restricted cash equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashEquivalentsAtCarryingValue": { "auth_ref": [ "r31" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash Equivalents, at Carrying Value", "terseLabel": "Total cash equivalents" } } }, "localname": "CashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]", "terseLabel": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]" } } }, "localname": "CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTable": { "auth_ref": [ "r691", "r720" ], "lang": { "en-us": { "role": { "documentation": "Description of the reasons for the change in incurred claims and claim adjustment expenses recognized in the income statement attributable to insured events of prior fiscal years. Also includes disclosures of additional premiums or return premiums accrued as a result of changes in incurred claims and claim adjustment expenses.", "label": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Table]", "terseLabel": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Table]" } } }, "localname": "CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CededPremiumsEarned": { "auth_ref": [ "r662", "r674", "r727", "r728", "r730", "r732" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 1.0, "parentTag": "mile_NetPremiumEarned", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of earned premiums ceded to other entities.", "label": "Ceded Premiums Earned", "negatedLabel": "Ceded Premium Earned" } } }, "localname": "CededPremiumsEarned", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CededPremiumsPayable": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The consideration due to the assuming enterprise as of the balance sheet date under the terms of the reinsurance contract in exchange for the right to receive reimbursement from such entity for covered claims and expenses.", "label": "Ceded Premiums Payable", "terseLabel": "Ceded reinsurance premium payable" } } }, "localname": "CededPremiumsPayable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CededPremiumsWritten": { "auth_ref": [ "r730", "r732" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 2.0, "parentTag": "us-gaap_PremiumsWrittenNet", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of written premiums ceded to other entities.", "label": "Ceded Premiums Written", "negatedLabel": "Ceded Premium Written" } } }, "localname": "CededPremiumsWritten", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CertificatesOfDepositMember": { "auth_ref": [ "r635" ], "lang": { "en-us": { "role": { "documentation": "Short to medium-term investment available at banks and savings and loan institutions where a customer agrees to lend money to the institution for a certain amount of time and is paid a predetermined rate of interest. Certificates of deposit (CD) are typically Federal Deposit Insurance Corporation (FDIC) insured.", "label": "Certificates of Deposit [Member]", "verboseLabel": "Certificates of deposits" } } }, "localname": "CertificatesOfDepositMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [ "r95", "r98", "r127", "r128", "r129", "r132", "r134", "r142", "r143", "r144", "r217", "r271", "r276", "r277", "r278", "r284", "r285", "r322", "r323", "r326", "r330", "r503", "r776" ], "lang": { "en-us": { "role": { "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.", "label": "Class of Stock [Domain]", "terseLabel": "Class of Stock [Domain]" } } }, "localname": "ClassOfStockDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightAxis": { "auth_ref": [ "r343", "r368" ], "lang": { "en-us": { "role": { "documentation": "Information by type of warrant or right issued.", "label": "Class of Warrant or Right [Axis]", "terseLabel": "Class of Warrant or Right [Axis]" } } }, "localname": "ClassOfWarrantOrRightAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the class or type of warrant or right outstanding. Warrants and rights represent derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months.", "label": "Class of Warrant or Right [Domain]", "terseLabel": "Class of Warrant or Right [Domain]" } } }, "localname": "ClassOfWarrantOrRightDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.", "label": "Class of Warrant or Right, Number of Securities Called by Each Warrant or Right", "terseLabel": "Number of shares to purchase (in shares)" } } }, "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ClassOfWarrantOrRightOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of warrants or rights outstanding.", "label": "Class of Warrant or Right, Outstanding", "terseLabel": "Sale of stock (in shares)", "verboseLabel": "Warrants (in shares)" } } }, "localname": "ClassOfWarrantOrRightOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommercialPaperMember": { "auth_ref": [ "r269" ], "lang": { "en-us": { "role": { "documentation": "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds.", "label": "Commercial Paper [Member]", "verboseLabel": "Commercial paper" } } }, "localname": "CommercialPaperMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r39", "r267", "r620", "r658" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "Leases, commitments and contingencies (Note 12)" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]", "terseLabel": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r264", "r265", "r266", "r268", "r748" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "Leases, Commitments, and Contingencies" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockCapitalSharesReservedForFutureIssuance": { "auth_ref": [ "r40" ], "lang": { "en-us": { "role": { "documentation": "Aggregate number of common shares reserved for future issuance.", "label": "Common Stock, Capital Shares Reserved for Future Issuance", "terseLabel": "Common stock reserved for issuance (in shares)" } } }, "localname": "CommonStockCapitalSharesReservedForFutureIssuance", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [ "r106", "r107", "r485" ], "lang": { "en-us": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common Stock" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY", "http://www.metromile.com/role/CoverPage" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockOtherSharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Total number of shares of other common stock instruments held by shareholders, such as exchangeable shares. May be all or portion of the number of common shares authorized.", "label": "Common Stock, Other Shares, Outstanding", "terseLabel": "Common and preferred stock outstanding (in shares)" } } }, "localname": "CommonStockOtherSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r22" ], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/BusinessCombinationNarrativeDetails", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r22" ], "lang": { "en-us": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r22" ], "lang": { "en-us": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "terseLabel": "Common stock issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r22", "r337" ], "lang": { "en-us": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "terseLabel": "Common stock outstanding (in shares)" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r22", "r556" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "terseLabel": "Common stock, $0.0001 par value; 640,000,000 and 111,702,628 shares authorized as of December\u00a031, 2021, and December 31, 2020, respectively; 128,221,885 and 8,992,039 shares issued and outstanding as of December\u00a031, 2021 and December 31, 2020, respectively" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CompensationAndRetirementDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Retirement Benefits [Abstract]" } } }, "localname": "CompensationAndRetirementDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r51", "r53", "r54", "r63", "r624", "r665" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "totalLabel": "Total comprehensive loss" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConcentrationRiskBenchmarkDomain": { "auth_ref": [ "r151", "r152", "r192", "r501", "r502", "r747" ], "lang": { "en-us": { "role": { "documentation": "The denominator in a calculation of a disclosed concentration risk percentage.", "label": "Concentration Risk Benchmark [Domain]", "terseLabel": "Concentration Risk Benchmark [Domain]" } } }, "localname": "ConcentrationRiskBenchmarkDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConcentrationRiskByBenchmarkAxis": { "auth_ref": [ "r151", "r152", "r192", "r501", "r502", "r740", "r747" ], "lang": { "en-us": { "role": { "documentation": "Information by benchmark of concentration risk.", "label": "Concentration Risk Benchmark [Axis]", "terseLabel": "Concentration Risk Benchmark [Axis]" } } }, "localname": "ConcentrationRiskByBenchmarkAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskByTypeAxis": { "auth_ref": [ "r151", "r152", "r192", "r501", "r502", "r740", "r747" ], "lang": { "en-us": { "role": { "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.", "label": "Concentration Risk Type [Axis]", "terseLabel": "Concentration Risk Type [Axis]" } } }, "localname": "ConcentrationRiskByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskCreditRisk": { "auth_ref": [ "r147", "r638" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for credit risk.", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "terseLabel": "Concentrations of Credit Risk" } } }, "localname": "ConcentrationRiskCreditRisk", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConcentrationRiskPercentage1": { "auth_ref": [ "r151", "r152", "r192", "r501", "r502" ], "lang": { "en-us": { "role": { "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.", "label": "Concentration Risk, Percentage", "terseLabel": "Concentration risk percentage" } } }, "localname": "ConcentrationRiskPercentage1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ConcentrationRiskTypeDomain": { "auth_ref": [ "r151", "r152", "r192", "r501", "r502", "r747" ], "lang": { "en-us": { "role": { "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.", "label": "Concentration Risk Type [Domain]", "terseLabel": "Concentration Risk Type [Domain]" } } }, "localname": "ConcentrationRiskTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": { "auth_ref": [ "r348" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.", "label": "Contract with Customer, Liability, Revenue Recognized", "terseLabel": "Deferred revenue recognized" } } }, "localname": "ContractWithCustomerLiabilityRevenueRecognized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractsInForceSubjectToParticipationThroughReinsurancePercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ratio of insurance contracts that are subject to reinsurance participation to all contracts in force.", "label": "Contracts in Force Subject to Participation through Reinsurance, Ratio", "terseLabel": "Percentage of premiums, losses, and LAE ceded to the reinsurers" } } }, "localname": "ContractsInForceSubjectToParticipationThroughReinsurancePercentage", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ContractualObligation": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.", "label": "Contractual Obligation", "totalLabel": "Total minimum lease payments" } } }, "localname": "ContractualObligation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInFourthYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 5.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Contractual Obligation, to be Paid, Year Four", "totalLabel": "2025" } } }, "localname": "ContractualObligationDueInFourthYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInNextTwelveMonths": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 1.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Contractual Obligation, to be Paid, Year One", "totalLabel": "2022" } } }, "localname": "ContractualObligationDueInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInSecondYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 6.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Contractual Obligation, to be Paid, Year Two", "totalLabel": "2023" } } }, "localname": "ContractualObligationDueInSecondYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInThirdYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 4.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Contractual Obligation, to be Paid, Year Three", "totalLabel": "2024" } } }, "localname": "ContractualObligationDueInThirdYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationFiscalYearMaturityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Contractual Obligation, Fiscal Year Maturity [Abstract]", "terseLabel": "Total" } } }, "localname": "ContractualObligationFiscalYearMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails_1": { "order": 2.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in remainder of current fiscal year.", "label": "Contractual Obligation, to be Paid, Remainder of Fiscal Year", "totalLabel": "2021" } } }, "localname": "ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CorporateDebtSecuritiesMember": { "auth_ref": [ "r353", "r361", "r737" ], "lang": { "en-us": { "role": { "documentation": "Debt securities issued by domestic or foreign corporate business, banks and other entities with a promise of repayment.", "label": "Corporate Debt Securities [Member]", "verboseLabel": "Corporate debt securities" } } }, "localname": "CorporateDebtSecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostOfSalesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing cost of sales.", "label": "Cost of Sales [Member]", "terseLabel": "Cost of revenues" } } }, "localname": "CostOfSalesMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Costs and Expenses [Abstract]", "terseLabel": "Costs and expenses" } } }, "localname": "CostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "stringItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "auth_ref": [ "r99", "r440", "r450", "r452" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.", "label": "Current Income Tax Expense (Benefit)", "terseLabel": "Current" } } }, "localname": "CurrentIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerConcentrationRiskMember": { "auth_ref": [ "r150", "r192" ], "lang": { "en-us": { "role": { "documentation": "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer.", "label": "Customer Concentration Risk [Member]", "terseLabel": "Customer Concentration Risk" } } }, "localname": "CustomerConcentrationRiskMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r94", "r292", "r293", "r294", "r295", "r296", "r297", "r298", "r303", "r310", "r311", "r313", "r320" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "terseLabel": "Notes Payable, net" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenet" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r14", "r15", "r16", "r97", "r104", "r286", "r287", "r288", "r289", "r290", "r291", "r293", "r299", "r300", "r301", "r302", "r304", "r305", "r306", "r307", "r308", "r309", "r316", "r317", "r318", "r319", "r524", "r614", "r616", "r645" ], "lang": { "en-us": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r16", "r314", "r616", "r645" ], "calculation": { "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Principal Amount Due" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r37", "r287" ], "lang": { "en-us": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Debt interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Instrument [Line Items]", "terseLabel": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r38", "r97", "r104", "r286", "r287", "r288", "r289", "r290", "r291", "r293", "r299", "r300", "r301", "r302", "r304", "r305", "r306", "r307", "r308", "r309", "r316", "r317", "r318", "r319", "r524" ], "lang": { "en-us": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPeriodicPayment": { "auth_ref": [ "r38", "r636" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the required periodic payments including both interest and principal payments.", "label": "Debt Instrument, Periodic Payment", "terseLabel": "Interest and principal" } } }, "localname": "DebtInstrumentPeriodicPayment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.", "label": "Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid", "terseLabel": "Balloon payment" } } }, "localname": "DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r38", "r97", "r104", "r286", "r287", "r288", "r289", "r290", "r291", "r293", "r299", "r300", "r301", "r302", "r304", "r305", "r306", "r307", "r308", "r309", "r312", "r316", "r317", "r318", "r319", "r338", "r339", "r340", "r341", "r521", "r522", "r524", "r525", "r637" ], "lang": { "en-us": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax", "terseLabel": "Unrealized Gain" } } }, "localname": "DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss": { "auth_ref": [ "r201", "r229", "r235", "r236" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss", "terseLabel": "ACL" } } }, "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": { "auth_ref": [ "r212", "r233", "r238" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": 2.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer", "terseLabel": "12 Months or Longer" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": { "auth_ref": [ "r212", "r233" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": 2.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss", "negatedTerseLabel": "12 Months or Longer" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": { "auth_ref": [ "r212", "r233", "r238" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": 1.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months", "terseLabel": "Less Than 12 Months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": { "auth_ref": [ "r212", "r233" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": 1.0, "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss", "negatedTerseLabel": "Less Than 12 Months" } } }, "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleRestricted": { "auth_ref": [ "r574", "r745", "r746" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_Investments", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale, Restricted", "terseLabel": "Marketable securities - restricted (amortized cost of $62,741 and $24,634)" } } }, "localname": "DebtSecuritiesAvailableForSaleRestricted", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTable": { "auth_ref": [ "r213" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale [Table]", "terseLabel": "Debt Securities, Available-for-sale [Table]" } } }, "localname": "DebtSecuritiesAvailableForSaleTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock": { "auth_ref": [ "r213" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale [Table Text Block]", "terseLabel": "Schedule of amortized cost and estimated fair value of marketable securities" } } }, "localname": "DebtSecuritiesAvailableForSaleTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": { "auth_ref": [ "r210", "r230", "r238" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.", "label": "Debt Securities, Available-for-sale, Unrealized Loss Position", "totalLabel": "Total" } } }, "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": { "auth_ref": [ "r211", "r231" ], "calculation": { "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss", "negatedTotalLabel": "Total" } } }, "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock": { "auth_ref": [ "r209", "r232", "r238" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.", "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block]", "terseLabel": "Schedule of unrealized loss on investments" } } }, "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r84", "r99", "r441", "r450", "r451", "r452" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Income Tax Expense (Benefit)", "terseLabel": "Deferred" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilities": { "auth_ref": [ "r17", "r18", "r430", "r615", "r644" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 1.0, "parentTag": "mile_DeferredTaxAssetsNetBeforeValuationAllowance", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences.", "label": "Deferred Tax Liabilities, Gross", "negatedTotalLabel": "Total deferred tax liabilities" } } }, "localname": "DeferredIncomeTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredOfferingCosts": { "auth_ref": [ "r43", "r239" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.", "label": "Deferred Offering Costs", "terseLabel": "Deferred transaction costs" } } }, "localname": "DeferredOfferingCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense": { "auth_ref": [ "r84", "r639", "r667", "r677", "r679", "r682", "r713" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense (reversal of expense) for deferred policy acquisition costs.", "label": "Deferred Policy Acquisition Costs, Amortization Expense", "negatedLabel": "Accumulated amortization" } } }, "localname": "DeferredPolicyAcquisitionCostAmortizationExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredPolicyAcquisitionCosts": { "auth_ref": [ "r656", "r679", "r680", "r682", "r713", "r738" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 13.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred policy acquisition cost capitalized on contract remaining in force.", "label": "Deferred Policy Acquisition Cost", "terseLabel": "Deferred policy acquisition costs, net" } } }, "localname": "DeferredPolicyAcquisitionCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredPolicyAcquisitionCostsDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Policy Acquisition Costs Disclosures [Abstract]" } } }, "localname": "DeferredPolicyAcquisitionCostsDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock": { "auth_ref": [ "r678", "r681", "r682", "r713" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the movement in deferred policy acquisition costs.", "label": "Deferred Policy Acquisition Costs [Table Text Block]", "terseLabel": "Schedule of deferred policy acquisition costs" } } }, "localname": "DeferredPolicyAcquisitionCostsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredPolicyAcquisitionCostsTextBlock1": { "auth_ref": [ "r683" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for deferred policy acquisition costs.", "label": "Deferred Policy Acquisition Costs [Text Block]", "terseLabel": "Deferred Policy Acquisition Costs, Net" } } }, "localname": "DeferredPolicyAcquisitionCostsTextBlock1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DeferredPolicyAcquisitionCostsNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredRevenue": { "auth_ref": [ "r30" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 8.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.", "label": "Deferred Revenue", "terseLabel": "Deferred revenue" } } }, "localname": "DeferredRevenue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGross": { "auth_ref": [ "r431" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 2.0, "parentTag": "mile_DeferredTaxAssetsNetBeforeValuationAllowance", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Gross", "totalLabel": "Total deferred tax assets" } } }, "localname": "DeferredTaxAssetsGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGrossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Tax Assets, Gross [Abstract]", "terseLabel": "Deferred tax assets:" } } }, "localname": "DeferredTaxAssetsGrossAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "auth_ref": [ "r433" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.", "label": "Deferred Tax Assets, Net", "totalLabel": "Balance end of year" } } }, "localname": "DeferredTaxAssetsLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.", "label": "Deferred Tax Assets, Operating Loss Carryforwards", "terseLabel": "Net operating loss carryforwards" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOther": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.", "label": "Deferred Tax Assets, Other", "terseLabel": "Other" } } }, "localname": "DeferredTaxAssetsOther", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards": { "auth_ref": [ "r436", "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.", "label": "Deferred Tax Assets, Tax Credit Carryforwards", "terseLabel": "Tax credit carryforwards" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwards", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost", "terseLabel": "Stock compensation" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from loss reserves other than estimated credit losses.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves", "terseLabel": "Discounting of unpaid losses" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the unearned premiums reserve.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Unearned Premiums Reserve", "terseLabel": "Unearned premium reserves" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r432" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.", "label": "Deferred Tax Assets, Valuation Allowance", "negatedTerseLabel": "Less valuation allowance" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Tax Liabilities, Gross [Abstract]", "terseLabel": "Deferred tax liabilities:" } } }, "localname": "DeferredTaxLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment": { "auth_ref": [ "r438", "r439" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.", "label": "Deferred Tax Liabilities, Property, Plant and Equipment", "negatedTerseLabel": "Depreciation & Amortization" } } }, "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesDeferredtaxassetsandliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedContributionPlanCostRecognized": { "auth_ref": [ "r362" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost for defined contribution plan.", "label": "Defined Contribution Plan, Cost", "terseLabel": "Incurred expenses" } } }, "localname": "DefinedContributionPlanCostRecognized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/A401kDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage employer matches of the employee's percentage contribution matched.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match", "terseLabel": "Percentage of employer match" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/A401kDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.", "label": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent", "terseLabel": "Percentage of eligible compensation" } } }, "localname": "DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/A401kDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanTextBlock": { "auth_ref": [ "r362", "r363" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for defined contribution plan.", "label": "Defined Contribution Plan [Text Block]", "terseLabel": "401(k)" } } }, "localname": "DefinedContributionPlanTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/A401k" ], "xbrltype": "textBlockItemType" }, "us-gaap_DepreciationAndAmortization": { "auth_ref": [ "r84", "r253" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.", "label": "Depreciation, Depletion and Amortization, Nonproduction", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DirectPremiumsEarned": { "auth_ref": [ "r662", "r673", "r729", "r731" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 2.0, "parentTag": "mile_NetPremiumEarned", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned.", "label": "Direct Premiums Earned", "terseLabel": "Total premiums earned" } } }, "localname": "DirectPremiumsEarned", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DirectPremiumsWritten": { "auth_ref": [ "r729" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 1.0, "parentTag": "us-gaap_PremiumsWrittenNet", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums written.", "label": "Direct Premiums Written", "terseLabel": "Direct Premium Written" } } }, "localname": "DirectPremiumsWritten", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "auth_ref": [ "r411" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for share-based payment arrangement.", "label": "Share-based Payment Arrangement [Text Block]", "terseLabel": "Stock Option Plans" } } }, "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlans" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Share-based Payment Arrangement [Abstract]" } } }, "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss": { "auth_ref": [ "r7" ], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.", "label": "Disposal Group, Including Discontinued Operation, Operating Income (Loss)", "totalLabel": "Loss from operations" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DomesticCountryMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.", "label": "Domestic Tax Authority [Member]", "terseLabel": "Domestic Tax Authority" } } }, "localname": "DomesticCountryMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings Per Share [Abstract]" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r64", "r113", "r114", "r116", "r117", "r118", "r124", "r127", "r132", "r133", "r134", "r138", "r139", "r486", "r487", "r625", "r666" ], "lang": { "en-us": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "terseLabel": "Net loss per share, basic (in dollars per share)", "verboseLabel": "Net loss per share attributable to common stockholders \u2014 basic (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]", "terseLabel": "Denominator:" } } }, "localname": "EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r64", "r113", "r114", "r116", "r117", "r118", "r127", "r132", "r133", "r134", "r138", "r139", "r486", "r487", "r625", "r666" ], "lang": { "en-us": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "terseLabel": "Net loss per share attributable to common stockholders - diluted (in dollars per share)", "verboseLabel": "Net loss per share, diluted (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r135", "r136" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.", "label": "Earnings Per Share, Policy [Policy Text Block]", "terseLabel": "Net Loss per Share" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r135", "r136", "r137", "r140" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "terseLabel": "Net Loss per Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectsOfReinsuranceLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Effects of Reinsurance [Line Items]", "terseLabel": "Effects of Reinsurance [Line Items]" } } }, "localname": "EffectsOfReinsuranceLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails", "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectsOfReinsuranceTable": { "auth_ref": [ "r734" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about the effects of reinsurance, including, but not limited to, disclosure of direct, assumed, and ceded insurance.", "label": "Effects of Reinsurance [Table]", "terseLabel": "Effects of Reinsurance [Table]" } } }, "localname": "EffectsOfReinsuranceTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails", "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectsOfReinsuranceTableTextBlock": { "auth_ref": [ "r734" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance.", "label": "Effects of Reinsurance [Table Text Block]", "terseLabel": "Schedule of effects of reinsurance" } } }, "localname": "EffectsOfReinsuranceTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_EmployeeBenefitsAndShareBasedCompensation": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for employee benefit and equity-based compensation.", "label": "Employee Benefits and Share-based Compensation", "terseLabel": "Stock-based compensation expense" } } }, "localname": "EmployeeBenefitsAndShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]", "terseLabel": "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]" } } }, "localname": "EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r399" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Unrecognized stock-based compensation cost" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r399" ], "lang": { "en-us": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Recognized average period" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions": { "auth_ref": [ "r399" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount", "terseLabel": "Total unrecognized compensation cost" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeStockOptionMember": { "auth_ref": [ "r396" ], "lang": { "en-us": { "role": { "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.", "label": "Share-based Payment Arrangement, Option [Member]", "terseLabel": "Outstanding stock options - Stock Plan" } } }, "localname": "EmployeeStockOptionMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquipmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tangible personal property used to produce goods and services.", "label": "Equipment [Member]", "terseLabel": "Equipment" } } }, "localname": "EquipmentMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r2", "r56", "r57", "r58", "r106", "r107", "r108", "r110", "r119", "r122", "r141", "r221", "r337", "r342", "r405", "r406", "r407", "r446", "r447", "r485", "r513", "r514", "r515", "r516", "r517", "r518", "r710", "r711", "r712", "r790" ], "lang": { "en-us": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_EquityUnitPurchaseAgreementsMember": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Contracts and securities that allow the holder to buy equity units from the entity.", "label": "Equity Unit Purchase Agreements [Member]", "terseLabel": "Convertible preferred stock" } } }, "localname": "EquityUnitPurchaseAgreementsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EstimateOfFairValueFairValueDisclosureMember": { "auth_ref": [ "r301", "r316", "r317", "r500" ], "lang": { "en-us": { "role": { "documentation": "Measured as an estimate of fair value.", "label": "Estimate of Fair Value Measurement [Member]", "terseLabel": "Estimated Fair Value" } } }, "localname": "EstimateOfFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueAdjustmentOfWarrants": { "auth_ref": [ "r84", "r321" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 3.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense (income) related to adjustment to fair value of warrant liability.", "label": "Fair Value Adjustment of Warrants", "terseLabel": "Increase in fair value of stock warrant liability", "verboseLabel": "Change in fair value of warrant liability" } } }, "localname": "FairValueAdjustmentOfWarrants", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r488", "r489", "r490", "r497" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value, Recurring and Nonrecurring [Table]", "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsNarrativeDetails", "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]", "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.", "label": "Fair Value Measurement Inputs and Valuation Techniques [Table]", "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.", "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]", "terseLabel": "Schedule of net deferred tax assets or liabilities" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r301", "r316", "r317", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r361", "r489", "r563", "r564", "r565" ], "lang": { "en-us": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value Hierarchy and NAV [Axis]", "terseLabel": "Fair Value Hierarchy and NAV [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementBasisAxis": { "auth_ref": [ "r301", "r316", "r317", "r488", "r498" ], "lang": { "en-us": { "role": { "documentation": "Information by measurement basis.", "label": "Measurement Basis [Axis]", "terseLabel": "Measurement Basis [Axis]" } } }, "localname": "FairValueByMeasurementBasisAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosureItemAmountsDomain": { "auth_ref": [ "r301", "r316", "r317" ], "lang": { "en-us": { "role": { "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.", "label": "Fair Value Measurement [Domain]", "terseLabel": "Fair Value Measurement [Domain]" } } }, "localname": "FairValueDisclosureItemAmountsDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fair Value Disclosures [Abstract]", "terseLabel": "Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r496" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.", "label": "Fair Value Disclosures [Text Block]", "terseLabel": "Fair Value of Financial Instruments" } } }, "localname": "FairValueDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstruments" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r301", "r353", "r354", "r359", "r361", "r489", "r563" ], "lang": { "en-us": { "role": { "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.", "label": "Fair Value, Inputs, Level 1 [Member]", "terseLabel": "Level 1" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r301", "r316", "r317", "r353", "r354", "r359", "r361", "r489", "r564" ], "lang": { "en-us": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value, Inputs, Level 2 [Member]", "terseLabel": "Level 2" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r301", "r316", "r317", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r361", "r489", "r565" ], "lang": { "en-us": { "role": { "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Inputs, Level 3 [Member]", "terseLabel": "Level 3" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "terseLabel": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": { "auth_ref": [ "r494", "r497" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.", "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]", "terseLabel": "Fair value of warrants" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.", "label": "Fair Value Measurement, Policy [Policy Text Block]", "terseLabel": "Fair Value Measurement" } } }, "localname": "FairValueMeasurementPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues": { "auth_ref": [ "r495" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances", "terseLabel": "Issuance of warrant on Series E convertible preferred stock" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases": { "auth_ref": [ "r495" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases", "terseLabel": "Public and Private placement Warrants acquired in Business Combination" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements": { "auth_ref": [ "r495" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements", "negatedTerseLabel": "Exercise of preferred stock warrants prior to Business Combination" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": { "auth_ref": [ "r494" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value", "periodEndLabel": "Balance, end of period", "periodStartLabel": "Balance, beginning of period" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofwarrantliabilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [ "r301", "r316", "r317", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r361", "r563", "r564", "r565" ], "lang": { "en-us": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinancialInstrumentAxis": { "auth_ref": [ "r207", "r208", "r214", "r215", "r216", "r224", "r225", "r226", "r227", "r228", "r232", "r234", "r237", "r238", "r312", "r335", "r476", "r560", "r561", "r562", "r563", "r564", "r565", "r566", "r567", "r568", "r569", "r570", "r571", "r572", "r573", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r588", "r589", "r590", "r776", "r777", "r778", "r779", "r780", "r781", "r782" ], "lang": { "en-us": { "role": { "documentation": "Information by type of financial instrument.", "label": "Financial Instrument [Axis]", "terseLabel": "Financial Instrument [Axis]" } } }, "localname": "FinancialInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetUsefulLife": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Finite-Lived Intangible Asset, Useful Life", "terseLabel": "Website and software development costs, useful life" } } }, "localname": "FiniteLivedIntangibleAssetUsefulLife", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill": { "auth_ref": [ "r84", "r247" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.", "label": "Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)", "terseLabel": "Impairment on digital assets" } } }, "localname": "ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": { "auth_ref": [ "r252", "r259" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.", "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]", "terseLabel": "Impairment of Long-Lived Assets" } } }, "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r61", "r170", "r176", "r180", "r183", "r186", "r609", "r622", "r627", "r668" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 }, "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "totalLabel": "Loss before taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income Statement [Abstract]", "terseLabel": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r257", "r261" ], "lang": { "en-us": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]", "terseLabel": "Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [ "r261" ], "lang": { "en-us": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]", "terseLabel": "Income Statement Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityAxis": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Information by tax jurisdiction.", "label": "Income Tax Authority [Axis]", "terseLabel": "Income Tax Authority [Axis]" } } }, "localname": "IncomeTaxAuthorityAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority [Domain]", "terseLabel": "Income Tax Authority [Domain]" } } }, "localname": "IncomeTaxAuthorityDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxContingencyLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Income Tax Contingency [Line Items]", "terseLabel": "Income Tax Contingency [Line Items]" } } }, "localname": "IncomeTaxContingencyLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxContingencyTable": { "auth_ref": [ "r424", "r427", "r429", "r443" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.", "label": "Income Tax Contingency [Table]", "terseLabel": "Income Tax Contingency [Table]" } } }, "localname": "IncomeTaxContingencyTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income Tax Disclosure [Abstract]", "terseLabel": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r100", "r422", "r428", "r435", "r448", "r453", "r455", "r456", "r457" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r101", "r121", "r122", "r168", "r420", "r449", "r454", "r669" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 }, "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "terseLabel": "Income tax benefit", "totalLabel": "Income tax expense (benefit)" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails", "http://www.metromile.com/role/IncomeTaxesScheduleofnetdeferredtaxassetsorliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r55", "r418", "r419", "r428", "r429", "r434", "r442" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.", "label": "Income Tax, Policy [Policy Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r421" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount", "terseLabel": "Change in valuation allowance" } } }, "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r421" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "terseLabel": "Statutory tax expense" } } }, "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "auth_ref": [ "r421" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "terseLabel": "Other, net" } } }, "localname": "IncomeTaxReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxCreditsResearch": { "auth_ref": [ "r421" ], "calculation": { "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount", "negatedTerseLabel": "Research and development tax credit" } } }, "localname": "IncomeTaxReconciliationTaxCreditsResearch", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesReconciliationoftaxexpensebenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 23.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities", "terseLabel": "Accounts payable and accrued expenses" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 24.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Accounts receivable" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredIncomeTaxes": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.", "label": "Increase (Decrease) in Deferred Income Taxes", "negatedTerseLabel": "Deferred tax liability" } } }, "localname": "IncreaseDecreaseInDeferredIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 22.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the balance sheet value of capitalized sales costs that are associated with acquiring a new insurance customers.", "label": "Increase (Decrease) in Deferred Policy Acquisition Costs", "negatedLabel": "Deferred policy acquisition costs, net" } } }, "localname": "IncreaseDecreaseInDeferredPolicyAcquisitionCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredRevenue": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.", "label": "Increase (Decrease) in Deferred Revenue", "terseLabel": "Deferred revenue" } } }, "localname": "IncreaseDecreaseInDeferredRevenue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in liability to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.", "label": "Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve", "terseLabel": "Loss and loss adjustment expense reserves" } } }, "localname": "IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in operating liabilities classified as other.", "label": "Increase (Decrease) in Other Operating Liabilities", "terseLabel": "Other liabilities" } } }, "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInPremiumsReceivable": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The change in the premium receivable balance on the balance sheet.", "label": "Increase (Decrease) in Premiums Receivable", "negatedLabel": "Premiums receivable" } } }, "localname": "IncreaseDecreaseInPremiumsReceivable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.", "label": "Increase (Decrease) in Prepaid Expense and Other Assets", "negatedLabel": "Prepaid expenses and other assets" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInPrepaidReinsurancePremiums": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The change in prepaid reinsurance premiums recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations.", "label": "Increase (Decrease) in Prepaid Reinsurance Premiums", "negatedLabel": "Prepaid reinsurance premium" } } }, "localname": "IncreaseDecreaseInPrepaidReinsurancePremiums", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInReinsurancePayables": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amount due to other insurance companies when the reporting entity has assumed a portion of the cedant's insurance risk which has resulted in insurance losses.", "label": "Increase (Decrease) in Reinsurance Payables", "terseLabel": "Ceded reinsurance premium payable" } } }, "localname": "IncreaseDecreaseInReinsurancePayables", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInReinsuranceRecoverable": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.", "label": "Increase (Decrease) in Reinsurance Recoverable", "negatedLabel": "Reinsurance recoverable on paid loss" } } }, "localname": "IncreaseDecreaseInReinsuranceRecoverable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInTemporaryEquityRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Temporary Equity [Roll Forward]", "terseLabel": "Convertible Preferred Stock" } } }, "localname": "IncreaseDecreaseInTemporaryEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInUnearnedPremiums": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) unearned premiums written. Excludes portion of unearned premiums amortized into income.", "label": "Increase (Decrease) in Unearned Premiums", "terseLabel": "Unearned premium reserve" } } }, "localname": "IncreaseDecreaseInUnearnedPremiums", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r243", "r246" ], "lang": { "en-us": { "role": { "documentation": "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets [Axis]", "terseLabel": "Indefinite-lived Intangible Assets [Axis]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Indefinite-lived Intangible Assets [Line Items]", "terseLabel": "Indefinite-lived Intangible Assets [Line Items]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill": { "auth_ref": [ "r246" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets (Excluding Goodwill)", "terseLabel": "Indefinite-lived intangible assets (excluding goodwill)" } } }, "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwillFairValueDisclosure": { "auth_ref": [ "r488" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure", "terseLabel": "Indefinite-lived intangible assets (excluding goodwill), fair value disclosure" } } }, "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwillFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r243", "r246" ], "lang": { "en-us": { "role": { "documentation": "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company.", "label": "Indefinite-lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Indefinite-lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IndefinitelivedIntangibleAssetsAcquired": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.", "label": "Indefinite-lived Intangible Assets Acquired", "terseLabel": "Indefinite-lived intangible assets acquired" } } }, "localname": "IndefinitelivedIntangibleAssetsAcquired", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InsuranceAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Insurance [Abstract]" } } }, "localname": "InsuranceAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_InsuranceDisclosureTextBlock": { "auth_ref": [ "r741" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the types of coverages and products sold, and the assets, obligations, recorded liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.", "label": "Insurance Disclosure [Text Block]", "terseLabel": "Loss and Loss Adjustment Expense Reserves", "verboseLabel": "Statutory Financial Information" } } }, "localname": "InsuranceDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReserves", "http://www.metromile.com/role/StatutoryFinancialInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_IntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r251" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for all or part of the information related to intangible assets.", "label": "Intangible Assets Disclosure [Text Block]", "terseLabel": "Digital Assets, Net" } } }, "localname": "IntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwill": { "auth_ref": [ "r242", "r244" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 12.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.", "label": "Intangible Assets, Net (Excluding Goodwill)", "terseLabel": "Intangible assets" } } }, "localname": "IntangibleAssetsNetExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpense": { "auth_ref": [ "r59", "r164", "r520", "r523", "r626" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.", "label": "Interest Expense", "terseLabel": "Interest expense" } } }, "localname": "InterestExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r77", "r80", "r90" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "terseLabel": "Cash paid for interest" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_InternalUseSoftwarePolicy": { "auth_ref": [ "r249", "r250" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for costs incurred when both (1) the software is acquired, internally developed, or modified solely to meet the entity's internal needs, and (2) during the software's development or modification, no substantive plan exists or is being developed to market the software externally.", "label": "Internal Use Software, Policy [Policy Text Block]", "terseLabel": "Website and Software Development Costs, Net" } } }, "localname": "InternalUseSoftwarePolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_Investments": { "auth_ref": [ "r659" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all investments.", "label": "Investments", "totalLabel": "Total investments" } } }, "localname": "Investments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Investments [Abstract]", "terseLabel": "Investments" } } }, "localname": "InvestmentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Investments, Debt and Equity Securities [Abstract]" } } }, "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "auth_ref": [ "r213", "r610", "r633", "r743", "r783" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for investments in certain debt and equity securities.", "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]", "terseLabel": "Marketable Securities" } } }, "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecurities" ], "xbrltype": "textBlockItemType" }, "us-gaap_InvestorMember": { "auth_ref": [ "r548", "r549" ], "lang": { "en-us": { "role": { "documentation": "Business entity or individual that puts money, by purchase or expenditure, in something offering potential profitable returns, such as interest income or appreciation in value.", "label": "Investor [Member]", "terseLabel": "Investor" } } }, "localname": "InvestorMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LatestTaxYearMember": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Latest identified tax year.", "label": "Latest Tax Year [Member]", "terseLabel": "Latest Tax Year" } } }, "localname": "LatestTaxYearMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseAndRentalExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "Operating Leases, Rent Expense", "terseLabel": "Rent expense" } } }, "localname": "LeaseAndRentalExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCost": { "auth_ref": [ "r542", "r544" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease cost recognized by lessee for lease contract.", "label": "Lease, Cost", "totalLabel": "Total lease costs included in other operating expenses" } } }, "localname": "LeaseCost", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCostTableTextBlock": { "auth_ref": [ "r542" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.", "label": "Lease, Cost [Table Text Block]", "terseLabel": "Components of lease costs" } } }, "localname": "LeaseCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeaseholdImprovementsMember": { "auth_ref": [ "r254" ], "lang": { "en-us": { "role": { "documentation": "Additions or improvements to assets held under a lease arrangement.", "label": "Leasehold Improvements [Member]", "terseLabel": "Leasehold improvements" } } }, "localname": "LeaseholdImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LesseeLeasesPolicyTextBlock": { "auth_ref": [ "r534" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee.", "label": "Lessee, Leases [Policy Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeLeasesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r543" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.", "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Maturing of operating lease liabilities" } } }, "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease.", "label": "Lessee, Operating Lease, Liability, to be Paid", "totalLabel": "Total lease payments" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 4.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year One", "terseLabel": "2022" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five", "terseLabel": "2026" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 3.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four", "terseLabel": "2025" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 6.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three", "terseLabel": "2024" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails_1": { "order": 5.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two", "terseLabel": "2023" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r543" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "terseLabel": "Less: imputed interest" } } }, "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r36", "r98", "r178", "r217", "r271", "r272", "r273", "r276", "r277", "r278", "r280", "r282", "r284", "r285", "r468", "r472", "r473", "r503", "r554", "r555" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.", "label": "Liabilities", "totalLabel": "Total liabilities" } } }, "localname": "Liabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities [Abstract]", "terseLabel": "Liabilities" } } }, "localname": "LiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r29", "r98", "r217", "r503", "r556", "r617", "r654" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total liabilities, convertible preferred stock and stockholders\u2019\u00a0equity (deficit)" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities, Convertible Preferred Stock and Stockholders\u2019 Equity (Deficit)" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense": { "auth_ref": [ "r687", "r690" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 2.0, "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.", "label": "Liability for Claims and Claims Adjustment Expense", "periodEndLabel": "Balance at end of period", "periodStartLabel": "Balance at beginning of period", "terseLabel": "Loss and loss adjustment expense reserves" } } }, "localname": "LiabilityForClaimsAndClaimsAdjustmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract]", "terseLabel": "Paid related to:" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1": { "auth_ref": [ "r689" ], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 2.0, "parentTag": "mile_PaymentsForLossesAndLossAdjustmentExpenses", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs.", "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year", "terseLabel": "Current year" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1": { "auth_ref": [ "r688" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 }, "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process.", "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims", "terseLabel": "Losses and loss adjustment expenses", "totalLabel": "Total incurred" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract]", "terseLabel": "Incurred related to:" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet": { "auth_ref": [ "r643", "r687", "r690" ], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.", "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Net", "periodEndLabel": "Net balance at end of period", "periodStartLabel": "Net balance at beginning of period", "terseLabel": "Liabilities for loss and LAE, net of reinsurance" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]", "terseLabel": "Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]" } } }, "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r16", "r300", "r315", "r316", "r317", "r616", "r649" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "terseLabel": "Notes payable", "totalLabel": "Notes payable, net" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtTerm": { "auth_ref": [ "r492" ], "lang": { "en-us": { "role": { "documentation": "Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Long-term Debt, Term", "terseLabel": "Debt term" } } }, "localname": "LongTermDebtTerm", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_MarketableSecuritiesPolicy": { "auth_ref": [ "r632" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for investment classified as marketable security.", "label": "Marketable Securities, Policy [Policy Text Block]", "terseLabel": "Marketable Securities" } } }, "localname": "MarketableSecuritiesPolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_MarketableSecuritiesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.", "label": "Marketable Securities [Table Text Block]", "terseLabel": "Schedule of available-for-sale securities" } } }, "localname": "MarketableSecuritiesTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_MeasurementInputExercisePriceMember": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using agreed upon price for exchange of underlying asset.", "label": "Measurement Input, Exercise Price [Member]", "terseLabel": "Exercise Price" } } }, "localname": "MeasurementInputExercisePriceMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputExpectedDividendRateMember": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using expected dividend rate to be paid to holder of share per year.", "label": "Measurement Input, Expected Dividend Rate [Member]", "terseLabel": "Dividend Yield" } } }, "localname": "MeasurementInputExpectedDividendRateMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputExpectedTermMember": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using period financial instrument is expected to be outstanding. Excludes maturity date.", "label": "Measurement Input, Expected Term [Member]", "terseLabel": "Expected Term" } } }, "localname": "MeasurementInputExpectedTermMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputPriceVolatilityMember": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using rate at which price of security will increase (decrease) for given set of returns.", "label": "Measurement Input, Price Volatility [Member]", "terseLabel": "Volatility" } } }, "localname": "MeasurementInputPriceVolatilityMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputRiskFreeInterestRateMember": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using interest rate on instrument with zero risk of financial loss.", "label": "Measurement Input, Risk Free Interest Rate [Member]", "terseLabel": "Risk-Free Interest Rate" } } }, "localname": "MeasurementInputRiskFreeInterestRateMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputTypeAxis": { "auth_ref": [ "r491" ], "lang": { "en-us": { "role": { "documentation": "Information by type of measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Axis]", "terseLabel": "Measurement Input Type [Axis]" } } }, "localname": "MeasurementInputTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MeasurementInputTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Domain]", "terseLabel": "Measurement Input Type [Domain]" } } }, "localname": "MeasurementInputTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MoneyMarketFundsMember": { "auth_ref": [ "r353" ], "lang": { "en-us": { "role": { "documentation": "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.", "label": "Money Market Funds [Member]", "terseLabel": "Money market accounts" } } }, "localname": "MoneyMarketFundsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r79" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash provided by financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Cash flow from financing activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r79" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash (used in) provided by investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Cash flows from investing activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r79", "r82", "r85" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net cash used in operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash flows from operating activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r8", "r50", "r52", "r58", "r62", "r85", "r98", "r109", "r113", "r114", "r116", "r117", "r121", "r122", "r130", "r170", "r176", "r180", "r183", "r186", "r217", "r271", "r272", "r273", "r276", "r277", "r278", "r280", "r282", "r284", "r285", "r487", "r503", "r623", "r663" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 }, "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "terseLabel": "Net loss", "totalLabel": "Net loss" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r113", "r114", "r116", "r117", "r124", "r125", "r131", "r134", "r170", "r176", "r180", "r183", "r186" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "terseLabel": "Net loss attributable to common stockholders ($ in thousands)" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Income (Loss) Available to Common Stockholders, Basic [Abstract]", "terseLabel": "Numerator:" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetInvestmentIncome": { "auth_ref": [ "r664" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.", "label": "Net Investment Income", "terseLabel": "Investment income" } } }, "localname": "NetInvestmentIncome", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NonUsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Countries excluding the United States of America (US).", "label": "Non-US [Member]", "terseLabel": "Non-US" } } }, "localname": "NonUsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NoncashInvestingAndFinancingItemsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Noncash Investing and Financing Items [Abstract]", "terseLabel": "Non-cash investing and financing transactions:" } } }, "localname": "NoncashInvestingAndFinancingItemsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NonoperatingIncomeExpense": { "auth_ref": [ "r70" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 }, "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).", "label": "Nonoperating Income (Expense)", "negatedTerseLabel": "Total other expense", "negatedTotalLabel": "Total other expense" } } }, "localname": "NonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfOperatingSegments": { "auth_ref": [ "r158" ], "lang": { "en-us": { "role": { "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.", "label": "Number of Operating Segments", "terseLabel": "Number of operating segment" } } }, "localname": "NumberOfOperatingSegments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfStatesInWhichEntityOperates": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of states the entity operates in as of the balance sheet date.", "label": "Number of States in which Entity Operates", "terseLabel": "Number of states in which entity operates" } } }, "localname": "NumberOfStatesInWhichEntityOperates", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.", "label": "Operating Expenses", "totalLabel": "Total costs and expenses" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [ "r170", "r176", "r180", "r183", "r186" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Loss from operations" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r535", "r544" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails": { "order": 2.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.", "label": "Operating Lease, Cost", "terseLabel": "Operating lease cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r531" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "terseLabel": "Total lease liability", "verboseLabel": "Operating lease liability" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/LeasesCommitmentsandContingenciesMaturitiesofoperatingleaseliabilitiesDetails", "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList": { "auth_ref": [ "r532" ], "lang": { "en-us": { "role": { "documentation": "Indicates line item in statement of financial position that includes operating lease liability.", "label": "Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]", "terseLabel": "Operating lease liability, statement of financial position, extensible enumeration" } } }, "localname": "OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "enumerationSetItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r533", "r538" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.", "label": "Operating Lease, Payments", "terseLabel": "Operating cash flows from operating leases" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r530" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's right to use underlying asset under operating lease.", "label": "Operating Lease, Right-of-Use Asset", "terseLabel": "Right-of-use asset" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList": { "auth_ref": [ "r532" ], "lang": { "en-us": { "role": { "documentation": "Indicates line item in statement of financial position that includes operating lease right-of-use asset.", "label": "Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]", "terseLabel": "Right-of-use assets, statement of financial position, extensible enumeration" } } }, "localname": "OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "enumerationSetItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r541", "r544" ], "lang": { "en-us": { "role": { "documentation": "Weighted average discount rate for operating lease calculated at point in time.", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Weighted average discount rate" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails", "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r540", "r544" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Weighted average remaining operating lease term (in years)" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesNarrativeDetails", "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.", "label": "Operating Leases, Future Minimum Payments Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]", "terseLabel": "Leases" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Four Years", "terseLabel": "2025" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_ContractualObligationDueInThirdYear", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Three Years", "terseLabel": "2024" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Two Years", "terseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r526", "r527" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Remainder of Fiscal Year", "terseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwards": { "auth_ref": [ "r436" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Operating Loss Carryforwards", "terseLabel": "Net operating loss carryforwards" } } }, "localname": "OperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingSegmentsMember": { "auth_ref": [ "r175", "r176", "r177", "r178", "r180", "r186" ], "lang": { "en-us": { "role": { "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Operating Segments [Member]", "terseLabel": "Operating Segments" } } }, "localname": "OperatingSegmentsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax": { "auth_ref": [ "r44", "r45", "r47" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.", "label": "OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax", "terseLabel": "Unrealized net loss on marketable securities" } } }, "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax": { "auth_ref": [ "r44", "r47" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.", "label": "OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax", "terseLabel": "Unrealized net gain on marketable securities" } } }, "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCostAndExpenseOperating": { "auth_ref": [ "r69" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 6.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.", "label": "Other Cost and Expense, Operating", "terseLabel": "Other operating expenses" } } }, "localname": "OtherCostAndExpenseOperating", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncome": { "auth_ref": [ "r670" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 3.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue and income classified as other.", "label": "Other Income", "terseLabel": "Other revenue" } } }, "localname": "OtherIncome", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilities": { "auth_ref": [ "r619" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of liabilities classified as other.", "label": "Other Liabilities", "terseLabel": "Other liabilities" } } }, "localname": "OtherLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNoncashExpense": { "auth_ref": [ "r85" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense or loss included in net income that result in no cash flow, classified as other.", "label": "Other Noncash Expense", "terseLabel": "Noncash interest and other expense" } } }, "localname": "OtherNoncashExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other Nonoperating Income (Expense) [Abstract]", "terseLabel": "Other expense" } } }, "localname": "OtherNonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "stringItemType" }, "us-gaap_OtherOperatingIncomeExpenseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing other operating income (expense).", "label": "Other Operating Income (Expense) [Member]", "terseLabel": "Other operating expenses" } } }, "localname": "OtherOperatingIncomeExpenseMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherResearchAndDevelopmentExpense": { "auth_ref": [ "r414" ], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 2.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of other research and development expense.", "label": "Other Research and Development Expense", "terseLabel": "Research and development" } } }, "localname": "OtherResearchAndDevelopmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaidInKindInterest": { "auth_ref": [ "r84" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Paid-in-Kind Interest", "terseLabel": "Paid-in-Kind Interest" } } }, "localname": "PaidInKindInterest", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForLossesAndLossAdjustmentExpense": { "auth_ref": [ "r81", "r689" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process.", "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid", "negatedLabel": "Total paid losses and loss adjustment expenses, net of reinsurance" } } }, "localname": "PaymentsForLossesAndLossAdjustmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForSoftware": { "auth_ref": [ "r73" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the development, modification or acquisition of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.", "label": "Payments for Software", "negatedLabel": "Payments relating to capitalized website and software development costs" } } }, "localname": "PaymentsForSoftware", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesGross": { "auth_ref": [ "r72", "r464" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.", "label": "Payments to Acquire Businesses, Gross", "terseLabel": "Net Business Combination and PIPE financing" } } }, "localname": "PaymentsToAcquireBusinessesGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired": { "auth_ref": [ "r72" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.", "label": "Payments to Acquire Businesses, Net of Cash Acquired", "terseLabel": "Cash \u2013 INSU\u2019s trust and cash (net of redemptions)" } } }, "localname": "PaymentsToAcquireBusinessesNetOfCashAcquired", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofbusinesscombinationproceedsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r73" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Purchases of telematics devices, improvements, and equipment" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r371", "r400" ], "lang": { "en-us": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name [Domain]" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PolicyholderBenefitsAndClaimsIncurredGross": { "auth_ref": [ "r671" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 2.0, "parentTag": "us-gaap_PolicyholderBenefitsAndClaimsIncurredNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred.", "label": "Policyholder Benefits and Claims Incurred, Direct", "terseLabel": "Direct Losses and LAE Incurred" } } }, "localname": "PolicyholderBenefitsAndClaimsIncurredGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PolicyholderBenefitsAndClaimsIncurredNet": { "auth_ref": [ "r640", "r671" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred.", "label": "Policyholder Benefits and Claims Incurred, Net", "totalLabel": "Net Losses and LAE Incurred" } } }, "localname": "PolicyholderBenefitsAndClaimsIncurredNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "auth_ref": [ "r499" ], "lang": { "en-us": { "role": { "documentation": "Measured at fair value for financial reporting purposes.", "label": "Portion at Fair Value Measurement [Member]", "terseLabel": "Portion at Fair Value Measurement" } } }, "localname": "PortionAtFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockLiquidationPreferenceValue": { "auth_ref": [ "r95", "r326" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of the difference between preference in liquidation and the par or stated values of the preferred shares.", "label": "Preferred Stock, Liquidation Preference, Value", "terseLabel": "Liquidation preference" } } }, "localname": "PreferredStockLiquidationPreferenceValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r21", "r322" ], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred stock par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r21" ], "lang": { "en-us": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred stock authorized (in shares)" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r21", "r322" ], "lang": { "en-us": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred stock issued (in shares)" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r21" ], "lang": { "en-us": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred Stock, Shares Outstanding", "terseLabel": "Preferred stock outstanding (in shares)" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.metromile.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PremiumsAndOtherReceivablesNet": { "auth_ref": [ "r661" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 10.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of all premiums and other types of receivables due from other persons or entities.", "label": "Premiums and Other Receivables, Net", "terseLabel": "Premiums receivable" } } }, "localname": "PremiumsAndOtherReceivablesNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PremiumsEarnedNet": { "auth_ref": [ "r621", "r662", "r675", "r733" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.", "label": "Premiums Earned, Net", "terseLabel": "Premiums earned, net" } } }, "localname": "PremiumsEarnedNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PremiumsWrittenNet": { "auth_ref": [ "r729", "r731" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written.", "label": "Premiums Written, Net", "totalLabel": "Net Premium Written" } } }, "localname": "PremiumsWrittenNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssets": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 14.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.", "label": "Prepaid Expense and Other Assets", "terseLabel": "Prepaid expenses and other assets" } } }, "localname": "PrepaidExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidReinsurancePremiums": { "auth_ref": [ "r685", "r739" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 8.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 2.0, "parentTag": "mile_NetUnearnedPremium", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The unexpired portion of premiums ceded on policies in force as of the balance sheet date.", "label": "Prepaid Reinsurance Premiums", "negatedLabel": "Ceded Unearned Premium", "terseLabel": "Prepaid reinsurance premium" } } }, "localname": "PrepaidReinsurancePremiums", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PriorPeriodReclassificationAdjustmentDescription": { "auth_ref": [ "r5" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for reclassification affecting comparability of financial statement. Excludes amendment to accounting standards, other change in accounting principle, and correction of error.", "label": "Reclassification, Comparability Adjustment [Policy Text Block]", "terseLabel": "Reclassifications" } } }, "localname": "PriorPeriodReclassificationAdjustmentDescription", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "auth_ref": [ "r74" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from the additional capital contribution to the entity.", "label": "Proceeds from Issuance of Common Stock", "terseLabel": "Proceeds from exercise of common stock options and warrants" } } }, "localname": "ProceedsFromIssuanceOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfLongTermDebt": { "auth_ref": [ "r75" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.", "label": "Proceeds from Issuance of Long-term Debt", "terseLabel": "Borrowing amount" } } }, "localname": "ProceedsFromIssuanceOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromNotesPayable": { "auth_ref": [ "r75" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from a borrowing supported by a written promise to pay an obligation.", "label": "Proceeds from Notes Payable", "terseLabel": "Proceeds from notes payable" } } }, "localname": "ProceedsFromNotesPayable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell": { "auth_ref": [ "r87", "r88" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The net cash flow from purchases followed by sales of securities under terms of reverse repurchase agreements.", "label": "Proceeds from (Payments for) Securities Purchased under Agreements to Resell", "terseLabel": "Purchase of securities" } } }, "localname": "ProceedsFromPaymentsForSecuritiesPurchasedUnderAgreementsToResell", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.", "label": "Proceeds from Sale and Maturity of Marketable Securities", "terseLabel": "Sales and maturities of marketable securities" } } }, "localname": "ProceedsFromSaleAndMaturityOfMarketableSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProfitLoss": { "auth_ref": [ "r8", "r50", "r52", "r58", "r78", "r98", "r109", "r121", "r122", "r170", "r176", "r180", "r183", "r186", "r217", "r271", "r272", "r273", "r276", "r277", "r278", "r280", "r282", "r284", "r285", "r466", "r469", "r470", "r474", "r475", "r487", "r503", "r627" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "terseLabel": "Net loss" } } }, "localname": "ProfitLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember": { "auth_ref": [ "r672", "r676", "r707" ], "lang": { "en-us": { "role": { "documentation": "Contract providing insurance coverage against property-related loss. Includes, but is not limited to, damage, theft, or legal liability for personal injury.", "label": "Property, Liability and Casualty Insurance Product Line [Member]", "terseLabel": "Property, Liability and Casualty Insurance Product Line" } } }, "localname": "PropertyLiabilityAndCasualtyInsuranceSegmentMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r34", "r256" ], "lang": { "en-us": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Long-Lived Tangible Asset [Axis]", "terseLabel": "Long-Lived Tangible Asset [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r260", "r749", "r750", "r751" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "terseLabel": "Telematics Devices, Improvements, and Equipment, Net" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r33", "r254" ], "calculation": { "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Gross", "terseLabel": "Property and equipment, gross" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Property, Plant and Equipment [Line Items]", "terseLabel": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r11", "r12", "r256", "r556", "r634", "r657" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 11.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "Telematics devices, improvements and equipment, net", "totalLabel": "Telematics devices, improvements and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r32", "r256", "r749", "r750" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "terseLabel": "Telematics Devices, Improvements, and Equipment, Net" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r11", "r256" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table Text Block]", "terseLabel": "Schedule of telematics devices, improvements, and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r11", "r254" ], "lang": { "en-us": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Long-Lived Tangible Asset [Domain]", "terseLabel": "Long-Lived Tangible Asset [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.", "label": "Property, Plant and Equipment, Useful Life", "terseLabel": "Useful life" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_PurchaseObligation": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.", "label": "Purchase Obligation", "totalLabel": "Total minimum lease payments" } } }, "localname": "PurchaseObligation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PurchaseObligationDueInFourthYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_PurchaseObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Purchase Obligation, to be Paid, Year Four", "terseLabel": "2025" } } }, "localname": "PurchaseObligationDueInFourthYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PurchaseObligationDueInNextTwelveMonths": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_PurchaseObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Purchase Obligation, to be Paid, Year One", "terseLabel": "2022" } } }, "localname": "PurchaseObligationDueInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PurchaseObligationDueInSecondYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_PurchaseObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Purchase Obligation, to be Paid, Year Two", "terseLabel": "2023" } } }, "localname": "PurchaseObligationDueInSecondYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PurchaseObligationDueInThirdYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_ContractualObligationDueInThirdYear", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Purchase Obligation, to be Paid, Year Three", "terseLabel": "2024" } } }, "localname": "PurchaseObligationDueInThirdYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PurchaseObligationFiscalYearMaturityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Purchase Obligation, Fiscal Year Maturity [Abstract]", "terseLabel": "Purchase Obligations" } } }, "localname": "PurchaseObligationFiscalYearMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_PurchaseObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment.", "label": "Purchase Obligation, to be Paid, Remainder of Fiscal Year", "terseLabel": "2021" } } }, "localname": "PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesFutureminimumleasepaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock": { "auth_ref": [ "r22", "r27", "r195" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amounts receivable from officers and directors resulting from the sale of stock to officers or directors before the cash payment is received.", "label": "Receivable from Officers and Directors for Issuance of Capital Stock", "negatedLabel": "Note receivable from executive" } } }, "localname": "ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock": { "auth_ref": [ "r176", "r180" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.", "label": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]", "terseLabel": "Schedule of contribution to its total loss from operations" } } }, "localname": "ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock": { "auth_ref": [ "r175", "r180" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.", "label": "Reconciliation of Revenue from Segments to Consolidated [Table Text Block]", "terseLabel": "Schedule of operating results of the Company\u2019s reportable segments" } } }, "localname": "ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]", "terseLabel": "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]" } } }, "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesUncertaintaxpositionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReinsuranceAccountingPolicy": { "auth_ref": [ "r640", "r641", "r735", "r736" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of reinsurance accounting policy, for example, but not limited to, description of the methodologies and assumptions underlying determination of reinsurance recoverables, reinsurance payables and retention policy.", "label": "Reinsurance Accounting Policy [Policy Text Block]", "terseLabel": "Reinsurance" } } }, "localname": "ReinsuranceAccountingPolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReinsuranceDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reinsurance Disclosures [Abstract]" } } }, "localname": "ReinsuranceDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded": { "auth_ref": [ "r640" ], "calculation": { "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 1.0, "parentTag": "us-gaap_PolicyholderBenefitsAndClaimsIncurredNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of reduction of provision for policy benefits and costs incurred for policies ceded.", "label": "Policyholder Benefits and Claims Incurred, Ceded", "negatedLabel": "Ceded Losses and LAE Incurred" } } }, "localname": "ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReinsurancePolicyDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Coverage retained or reinsured.", "label": "Reinsurance Policy [Domain]", "terseLabel": "Reinsurance Policy [Domain]" } } }, "localname": "ReinsurancePolicyDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ReinsurancePolicyTypeAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type, risk category or other classification of reinsurance coverage.", "label": "Reinsurance Policy, Type [Axis]", "terseLabel": "Reinsurance Policy, Type [Axis]" } } }, "localname": "ReinsurancePolicyTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments": { "auth_ref": [ "r642", "r684", "r687", "r690" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 1.0, "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet", "weight": -1.0 }, "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 1.0, "parentTag": "mile_NetLossAndLAEReserve", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.", "label": "Reinsurance Recoverable for Unpaid Claims and Claims Adjustments", "negatedPeriodStartLabel": "Less reinsurance recoverable", "negatedTerseLabel": "Ceded Loss and LAE Reserves", "terseLabel": "Reinsurance recoverable on unpaid loss", "verboseLabel": "Plus reinsurance recoverable" } } }, "localname": "ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails", "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReinsuranceRecoverablesOnPaidLosses": { "auth_ref": [ "r642", "r684" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to and paid by the ceding insurer.", "label": "Reinsurance Recoverable for Paid Claims and Claims Adjustments", "terseLabel": "Reinsurance recoverable on paid loss" } } }, "localname": "ReinsuranceRecoverablesOnPaidLosses", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReinsuranceTextBlock": { "auth_ref": [ "r741" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure pertaining to the existence, magnitude and information about insurance that has been ceded to or assumed from another insurance company, including the methodologies and assumptions used in determining recorded amounts.", "label": "Reinsurance [Text Block]", "terseLabel": "Reinsurance" } } }, "localname": "ReinsuranceTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/Reinsurance" ], "xbrltype": "textBlockItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r360", "r548", "r549" ], "lang": { "en-us": { "role": { "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Domain]", "terseLabel": "Related Party [Domain]" } } }, "localname": "RelatedPartyDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails", "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r360", "r548", "r549", "r551" ], "lang": { "en-us": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]", "terseLabel": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDomain": { "auth_ref": [ "r360" ], "lang": { "en-us": { "role": { "documentation": "Transaction between related party.", "label": "Related Party Transaction [Domain]", "terseLabel": "Related Party Transaction [Domain]" } } }, "localname": "RelatedPartyTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty": { "auth_ref": [ "r548" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.", "label": "Related Party Transaction, Expenses from Transactions with Related Party", "terseLabel": "Loan amount" } } }, "localname": "RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyTransactionLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Related Party Transaction [Line Items]", "terseLabel": "Related Party Transaction [Line Items]" } } }, "localname": "RelatedPartyTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.", "label": "Related Party Transaction, Rate", "terseLabel": "Interest rate" } } }, "localname": "RelatedPartyTransactionRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Related Party Transactions [Abstract]", "terseLabel": "Related Party Transactions [Abstract]" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r360", "r548", "r551", "r597", "r598", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r608" ], "lang": { "en-us": { "role": { "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Axis]", "terseLabel": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/ReinsuranceNarrativeDetails", "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r546", "r547", "r549", "r552", "r553" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Related Party Transactions Disclosure [Text Block]", "terseLabel": "Related Party Transactions" } } }, "localname": "RelatedPartyTransactionsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "us-gaap_RepaymentsOfNotesPayable": { "auth_ref": [ "r76" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for a borrowing supported by a written promise to pay an obligation.", "label": "Repayments of Notes Payable", "negatedLabel": "Payment on notes payable" } } }, "localname": "RepaymentsOfNotesPayable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchAndDevelopmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Research and Development [Abstract]" } } }, "localname": "ResearchAndDevelopmentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock": { "auth_ref": [ "r415", "r416" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of significant agreements under research and development arrangements accounted for as a contract to perform research and development for others (including royalty arrangements, purchase provisions, license agreements, and commitments to provide additional funding), aggregated by similar arrangements or individually if necessary to understand the effects on the financial statements. Include also the amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate. Include also the amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate.", "label": "Research and Development Arrangement, Contract to Perform for Others [Table Text Block]", "terseLabel": "Schedule of Website and Software Development Costs" } } }, "localname": "ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ResearchAndDevelopmentExpense": { "auth_ref": [ "r414", "r592", "r765" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 4.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.", "label": "Research and Development Expense", "terseLabel": "Research and development" } } }, "localname": "ResearchAndDevelopmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchAndDevelopmentExpenseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption in which the reported facts about research and development expense have been included.", "label": "Research and Development Expense [Member]", "terseLabel": "Research and development" } } }, "localname": "ResearchAndDevelopmentExpenseMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock": { "auth_ref": [ "r767" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period.", "label": "Research, Development, and Computer Software Disclosure [Text Block]", "terseLabel": "Website and Software Development Costs, Net" } } }, "localname": "ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/WebsiteandSoftwareDevelopmentCostsNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_ResearchMember": { "auth_ref": [ "r437" ], "lang": { "en-us": { "role": { "documentation": "Research tax credit carryforwards arising from certain qualifying expenditures incurred to develop new products and processes.", "label": "Research Tax Credit Carryforward [Member]", "terseLabel": "Research Tax Credit Carryforward" } } }, "localname": "ResearchMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedCashAndCashEquivalents": { "auth_ref": [ "r10", "r86", "r91", "r611", "r650" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 9.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Restricted Cash and Cash Equivalents", "terseLabel": "Restricted cash and cash equivalents" } } }, "localname": "RestrictedCashAndCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Type of cash and cash equivalent. Cash is currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash and Cash Equivalents [Domain]", "terseLabel": "Cash and Cash Equivalents [Domain]" } } }, "localname": "RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedCashEquivalents": { "auth_ref": [ "r91", "r611", "r650", "r745", "r746" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash equivalents restricted as to withdrawal or usage. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Restricted Cash Equivalents", "terseLabel": "Total restricted cash equivalents" } } }, "localname": "RestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Restricted Cash Equivalents [Abstract]", "terseLabel": "Restricted cash equivalents" } } }, "localname": "RestrictedCashEquivalentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RestrictedStockMember": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.", "label": "Restricted Stock [Member]", "terseLabel": "Restricted stock units" } } }, "localname": "RestrictedStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r25", "r342", "r408", "r556", "r652", "r714", "r719" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "Accumulated deficit" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [ "r2", "r106", "r107", "r108", "r110", "r119", "r122", "r221", "r405", "r406", "r407", "r446", "r447", "r485", "r710", "r712" ], "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Accumulated Deficit" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromRelatedParties": { "auth_ref": [ "r67", "r274", "r276", "r277", "r283", "r284", "r285", "r742" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.", "label": "Revenue from Related Parties", "terseLabel": "Revenue from related party" } } }, "localname": "RevenueFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRecognitionPolicyTextBlock": { "auth_ref": [ "r92", "r93" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources.", "label": "Revenue [Policy Text Block]", "terseLabel": "Revenue Recognition" } } }, "localname": "RevenueRecognitionPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueRemainingPerformanceObligation": { "auth_ref": [ "r345" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Amount", "terseLabel": "Remaining performance obligation amount" } } }, "localname": "RevenueRemainingPerformanceObligation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1": { "auth_ref": [ "r346" ], "lang": { "en-us": { "role": { "documentation": "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period", "terseLabel": "Remaining performance obligation, period" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": { "auth_ref": [ "r346" ], "lang": { "en-us": { "role": { "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in YYYY-MM-DD format.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationPercentage": { "auth_ref": [ "r346" ], "lang": { "en-us": { "role": { "documentation": "Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Percentage", "terseLabel": "Remaining performance obligation, percentage" } } }, "localname": "RevenueRemainingPerformanceObligationPercentage", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesRemainingPerformanceObligationsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r60", "r98", "r161", "r162", "r175", "r181", "r182", "r188", "r189", "r192", "r217", "r271", "r272", "r273", "r276", "r277", "r278", "r280", "r282", "r284", "r285", "r503", "r627" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "terseLabel": "Total revenue", "totalLabel": "Total revenue", "verboseLabel": "Revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Revenues [Abstract]", "terseLabel": "Revenue" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" ], "xbrltype": "stringItemType" }, "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Revenues from External Customers and Long-Lived Assets [Line Items]", "terseLabel": "Revenues from External Customers and Long-Lived Assets [Line Items]" } } }, "localname": "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r539", "r544" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Right-of-use assets obtained in exchange for new lease liabilities" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleOfStockNameOfTransactionDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.", "label": "Sale of Stock [Domain]", "terseLabel": "Sale of Stock [Domain]" } } }, "localname": "SaleOfStockNameOfTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SaleOfStockPricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.", "label": "Sale of Stock, Price Per Share", "terseLabel": "Share price per share (in dollars per share)" } } }, "localname": "SaleOfStockPricePerShare", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SalesRevenueNetMember": { "auth_ref": [ "r151", "r192" ], "lang": { "en-us": { "role": { "documentation": "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation.", "label": "Revenue Benchmark [Member]", "terseLabel": "Revenue" } } }, "localname": "SalesRevenueNetMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SalesRevenueSegmentMember": { "auth_ref": [ "r151" ], "lang": { "en-us": { "role": { "documentation": "Revenue from specified business segment, when it serves as benchmark in concentration of risk calculation. Includes, but is not limited to, revenue from contract with customer and other sources.", "label": "Revenue, Segment Benchmark [Member]", "terseLabel": "Revenue, Segment Benchmark" } } }, "localname": "SalesRevenueSegmentMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]", "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": { "auth_ref": [ "r135" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]", "terseLabel": "Schedule of antidilutive securities excluded from computation of earnings per share" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Securities, Available-for-sale [Line Items]", "terseLabel": "Debt Securities, Available-for-sale [Line Items]" } } }, "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofamortizedcostandestimatedfairvalueofmarketablesecuritiesDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock": { "auth_ref": [ "r465" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the equity interest issued or issuable in a business acquisition (or series of individually immaterial business acquisitions) planned, initiated, or completed during the period.", "label": "Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block]", "terseLabel": "Schedule of equity changes due to business combination" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [ "r442" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "terseLabel": "Schedule of income tax provision" } } }, "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.", "label": "Schedule of Debt [Table Text Block]", "terseLabel": "Schedule of debt outstanding, net" } } }, "localname": "ScheduleOfDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r433" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "terseLabel": "Schedule of net deferred tax assets or liabilities" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r134" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Schedule of basic and diluted net loss per share" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NetLossperShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r421" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of federal income tax rate to the Company\u2019s effective tax rate" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable": { "auth_ref": [ "r369", "r397", "r410" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about amount recognized for award under share-based payment arrangement. Includes, but is not limited to, amount expensed in statement of income or comprehensive income, amount capitalized in statement of financial position, and corresponding reporting line item in financial statements.", "label": "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]", "terseLabel": "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]" } } }, "localname": "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock": { "auth_ref": [ "r369", "r397", "r410" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.", "label": "Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]", "terseLabel": "Schedule of stock-based compensation expense for employee and nonemployee options" } } }, "localname": "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "auth_ref": [ "r488", "r489" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).", "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]", "terseLabel": "Schedule of assets measured on a recurring basis at fair value" } } }, "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock": { "auth_ref": [ "r528" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.", "label": "Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]", "terseLabel": "Schedule of future minimum lease payments" } } }, "localname": "ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r246", "r248" ], "lang": { "en-us": { "role": { "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity.", "label": "Schedule of Indefinite-Lived Intangible Assets [Table]", "terseLabel": "Schedule of Indefinite-Lived Intangible Assets [Table]" } } }, "localname": "ScheduleOfIndefiniteLivedIntangibleAssetsTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/DigitalAssetsNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense": { "auth_ref": [ "r691" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims.", "label": "Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]", "terseLabel": "Schedule of beginning and ending reserve balances for losses and LAE, net of reinsurance recoverable" } } }, "localname": "ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r34", "r256" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]", "terseLabel": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/TelematicsDevicesImprovementsandEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r550", "r551" ], "lang": { "en-us": { "role": { "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Schedule of Related Party Transactions, by Related Party [Table]", "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]" } } }, "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/RelatedPartyTransactionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": { "auth_ref": [ "r68", "r191" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]", "terseLabel": "Schedule of geographical breakdown of direct earned premiums" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable": { "auth_ref": [ "r60", "r191" ], "lang": { "en-us": { "role": { "documentation": "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]", "terseLabel": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofgeographicalbreakdownofdirectearnedpremiumsDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r170", "r173", "r179", "r241" ], "lang": { "en-us": { "role": { "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table]", "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r371", "r400" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]", "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": { "auth_ref": [ "r375", "r386", "r388" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.", "label": "Share-based Payment Arrangement, Option, Activity [Table Text Block]", "terseLabel": "Schedule of activity of stock option plan" } } }, "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": { "auth_ref": [ "r391" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.", "label": "Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]", "terseLabel": "Schedule of estimate the value of options granted" } } }, "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock": { "auth_ref": [ "r427" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the change in unrecognized tax benefits, excluding amounts pertaining to examined tax returns.", "label": "Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block]", "terseLabel": "Schedule of uncertain tax positions" } } }, "localname": "ScheduleOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForwardTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [ "r157", "r161", "r162", "r163", "r164", "r165", "r166", "r167", "r168", "r169", "r170", "r171", "r172", "r175", "r176", "r177", "r178", "r180", "r181", "r182", "r183", "r184", "r186", "r192", "r262", "r263", "r701" ], "lang": { "en-us": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segments [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r157", "r159", "r160", "r170", "r174", "r180", "r184", "r185", "r186", "r187", "r188", "r191", "r192", "r193" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.", "label": "Segment Reporting Disclosure [Text Block]", "terseLabel": "Segment and Geographic Information" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentReportingInformationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Segment Reporting Information [Line Items]", "terseLabel": "Segment Reporting Information [Line Items]" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SellingAndMarketingExpenseMember": { "auth_ref": [ "r65" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing selling and marketing expense.", "label": "Selling and Marketing Expense [Member]", "terseLabel": "Sales and marketing" } } }, "localname": "SellingAndMarketingExpenseMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofstockbasedcompensationexpenseforemployeeandnonemployeeoptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SeriesEPreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Outstanding nonredeemable series E preferred stock or outstanding series E preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.", "label": "Series E Preferred Stock [Member]", "terseLabel": "Series-E Convertible Preferred Stock" } } }, "localname": "SeriesEPreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r83" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of noncash expense for share-based payment arrangement.", "label": "Share-based Payment Arrangement, Noncash Expense", "terseLabel": "Stock-based compensation" } } }, "localname": "ShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r372" ], "lang": { "en-us": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r380" ], "lang": { "en-us": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "negatedTerseLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r385" ], "lang": { "en-us": { "role": { "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "terseLabel": "Forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r383" ], "lang": { "en-us": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted (in shares)", "verboseLabel": "Awards issued (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r383" ], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Ending balance (in shares)", "periodStartLabel": "Beginning balance (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Number of RSUs" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "periodEndLabel": "Ending balance (in dollars per share)", "periodStartLabel": "Beginning balance (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]", "terseLabel": "Weighted-Average Fair Value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r384" ], "lang": { "en-us": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedLabel": "Vested (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r384" ], "lang": { "en-us": { "role": { "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Vested (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofrestrictedstockunitsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "auth_ref": [ "r394" ], "lang": { "en-us": { "role": { "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "terseLabel": "Expected dividend yield", "verboseLabel": "Expected dividends" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "auth_ref": [ "r393" ], "lang": { "en-us": { "role": { "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "verboseLabel": "Volatility" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum", "terseLabel": "Expected volatility rate, maximum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum", "terseLabel": "Expected volatility rate, minimum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "auth_ref": [ "r395" ], "lang": { "en-us": { "role": { "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "terseLabel": "Risk-free interest rate" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum", "terseLabel": "Risk-free interest rate, maximum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum", "terseLabel": "Risk-free interest rate, minimum" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "auth_ref": [ "r378" ], "lang": { "en-us": { "role": { "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number", "terseLabel": "Vested and expected (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "auth_ref": [ "r378" ], "lang": { "en-us": { "role": { "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "terseLabel": "Vested and expected (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod": { "auth_ref": [ "r381" ], "lang": { "en-us": { "role": { "documentation": "Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period", "negatedLabel": "Options cancelled or expired and returned to plan (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Gross number of share options (or share units) granted during the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross", "terseLabel": "Options granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": { "auth_ref": [ "r400" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value", "terseLabel": "Outstanding" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "auth_ref": [ "r377", "r400" ], "lang": { "en-us": { "role": { "documentation": "Number of options outstanding, including both vested and non-vested options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number", "periodEndLabel": "Ending balance (in shares)", "periodStartLabel": "Beginning balance (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]", "terseLabel": "Stock Number of Options" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r376" ], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price", "periodEndLabel": "Ending balance (in dollars per share)", "periodStartLabel": "Beginning balance (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]", "terseLabel": "Weighted- Average Exercise Price" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": { "auth_ref": [ "r389" ], "lang": { "en-us": { "role": { "documentation": "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number", "terseLabel": "Vested and exercisable to vest (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r389" ], "lang": { "en-us": { "role": { "documentation": "Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price", "terseLabel": "Vested and exercisable to vest (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r368", "r373" ], "lang": { "en-us": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails", "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "terseLabel": "Options exercised (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price", "terseLabel": "Options cancelled or expired and returned to plan (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price", "terseLabel": "Options granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r371", "r374" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-based Payment Arrangement [Policy Text Block]", "terseLabel": "Stock-Based Compensation" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested", "terseLabel": "Vested and exercisable to vest" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "auth_ref": [ "r392", "r409" ], "lang": { "en-us": { "role": { "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term", "terseLabel": "Expected term (years)" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofestimatethevalueofoptionsgrantedDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "auth_ref": [ "r400" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value", "terseLabel": "Vested and expected" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r400" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Outstanding" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r390" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Vested and exercisable to vest" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansScheduleofactivityofstockoptionplanDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average grant-date fair value of options vested.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted-average grant date fair value per share of stock options granted (in dollars per share)" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockOptionPlansNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.", "label": "Shares, Outstanding", "periodEndLabel": "Ending balance (in Shares)", "periodStartLabel": "Beginning balance (in Shares)" } } }, "localname": "SharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_ShortDurationInsuranceContractAccidentYear2019Member": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year 2019 in which covered event occurs under terms of short-duration insurance contract.", "label": "Short-Duration Insurance Contract, Accident Year 2019 [Member]", "terseLabel": "2019" } } }, "localname": "ShortDurationInsuranceContractAccidentYear2019Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortDurationInsuranceContractAccidentYear2020Member": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year 2020 in which covered event occurs under terms of short-duration insurance contract.", "label": "Short-Duration Insurance Contract, Accident Year 2020 [Member]", "terseLabel": "2020" } } }, "localname": "ShortDurationInsuranceContractAccidentYear2020Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortDurationInsuranceContractAccidentYear2021Member": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year 2021 in which covered event occurs under terms of short-duration insurance contract.", "label": "Short-Duration Insurance Contract, Accident Year 2021 [Member]", "terseLabel": "2021" } } }, "localname": "ShortDurationInsuranceContractAccidentYear2021Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year 2017 in which a covered event occurs under the terms of the short-duration insurance contract.", "label": "Short-duration Insurance Contracts, Accident Year 2017 [Member]", "terseLabel": "2017" } } }, "localname": "ShortDurationInsuranceContractsAccidentYear2017Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year 2018 in which covered event occurs under terms of short-duration insurance contract.", "label": "Short-duration Insurance Contracts, Accident Year 2018 [Member]", "terseLabel": "2018" } } }, "localname": "ShortDurationInsuranceContractsAccidentYear2018Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortTermLeaseCost": { "auth_ref": [ "r536", "r544" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails": { "order": 1.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of short-term lease cost, excluding expense for lease with term of one month or less.", "label": "Short-term Lease, Cost", "terseLabel": "Short-term lease cost" } } }, "localname": "ShortTermLeaseCost", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsAccidentYearAxis": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Information by accident year in which a covered event occurs under the terms of the short-duration insurance contract.", "label": "Short-duration Insurance Contracts, Accident Year [Axis]", "terseLabel": "Short-duration Insurance Contracts, Accident Year [Axis]" } } }, "localname": "ShortdurationInsuranceContractsAccidentYearAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShortdurationInsuranceContractsAccidentYearDomain": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Accident year in which a covered event occurs under the terms of the short-duration insurance contract.", "label": "Short-duration Insurance Contracts, Accident Year [Domain]", "terseLabel": "Short-duration Insurance Contracts, Accident Year [Domain]" } } }, "localname": "ShortdurationInsuranceContractsAccidentYearDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock": { "auth_ref": [ "r695" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of undiscounted information about claims development by accident year for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Claims Development [Table Text Block]", "terseLabel": "Short-duration insurance contracts" } } }, "localname": "ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet": { "auth_ref": [ "r694" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after reinsurance, of paid claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.", "label": "Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net", "terseLabel": "Cumulative paid loss and loss adjustment expenses, net of reinsurance" } } }, "localname": "ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the eighth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Eight", "terseLabel": "8" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the fifth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Five", "terseLabel": "5" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the fourth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Four", "terseLabel": "4" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the ninth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Nine", "terseLabel": "9" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the first year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year One", "terseLabel": "1" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the seventh year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Seven", "terseLabel": "7" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the sixth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Six", "terseLabel": "6" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the tenth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Ten", "terseLabel": "10" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the third year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Three", "terseLabel": "3" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Percentage of average annual payout, after reinsurance, in the second year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Historical Claims Duration, Year Two", "terseLabel": "2" } } }, "localname": "ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesAveragehistoricalclaimsdurationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet": { "auth_ref": [ "r697", "r699" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Undiscounted amount, after reinsurance, of incurred-but-not-reported (IBNR) liabilities plus expected development on reported claims, for claims and allocated claim adjustment expense for short-duration insurance contracts. Excludes unallocated claim adjustment expense.", "label": "Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net", "terseLabel": "IBNR Reserves" } } }, "localname": "ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet": { "auth_ref": [ "r693" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Undiscounted amount, after reinsurance, of incurred claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.", "label": "Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net", "terseLabel": "Incurred loss and loss adjustment expenses, net of reinsurance" } } }, "localname": "ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet": { "auth_ref": [ "r695", "r696" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts. Excludes unallocated claim adjustment expense.", "label": "Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net", "terseLabel": "Liabilities for loss and LAE, net of reinsurance" } } }, "localname": "ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented": { "auth_ref": [ "r695" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts for accident years not separately presented in claim development information. Excludes unallocated claim adjustment expense.", "label": "Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented", "terseLabel": "All outstanding liabilities before 2017, net of reinsurance" } } }, "localname": "ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims": { "auth_ref": [ "r698" ], "lang": { "en-us": { "role": { "documentation": "Cumulative number of reported claims for short-duration insurance contracts.", "label": "Short-duration Insurance Contract, Cumulative Number of Reported Claims", "terseLabel": "Cumulative Number of Reported Claims" } } }, "localname": "ShortdurationInsuranceContractsNumberOfReportedClaims", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentnetofreinsuranceDetails" ], "xbrltype": "integerItemType" }, "us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock": { "auth_ref": [ "r700" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of average annual percentage payout of incurred claims by age, after reinsurance, for short-duration insurance contracts.", "label": "Short-duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block]", "terseLabel": "Average annual percentage payout of incurred claims by age, net of reinsurance" } } }, "localname": "ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_StateAndLocalJurisdictionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.", "label": "State and Local Jurisdiction [Member]", "terseLabel": "State and Local Jurisdiction" } } }, "localname": "StateAndLocalJurisdictionMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r6", "r157", "r161", "r162", "r163", "r164", "r165", "r166", "r167", "r168", "r169", "r170", "r171", "r172", "r175", "r176", "r177", "r178", "r180", "r181", "r182", "r183", "r184", "r186", "r192", "r241", "r258", "r262", "r263", "r701" ], "lang": { "en-us": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]", "terseLabel": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationNarrativeDetails", "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofoperatingresultsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r20", "r21", "r22", "r95", "r98", "r127", "r128", "r129", "r132", "r134", "r142", "r143", "r144", "r217", "r271", "r276", "r277", "r278", "r284", "r285", "r322", "r323", "r326", "r330", "r337", "r503", "r776" ], "lang": { "en-us": { "role": { "documentation": "Information by the different classes of stock of the entity.", "label": "Class of Stock [Axis]", "terseLabel": "Class of Stock [Axis]" } } }, "localname": "StatementClassOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CoverPage" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r2", "r42", "r56", "r57", "r58", "r106", "r107", "r108", "r110", "r119", "r122", "r141", "r221", "r337", "r342", "r405", "r406", "r407", "r446", "r447", "r485", "r513", "r514", "r515", "r516", "r517", "r518", "r710", "r711", "r712", "r790" ], "lang": { "en-us": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Statement [Line Items]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Cash Flows [Abstract]", "terseLabel": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Financial Position [Abstract]", "terseLabel": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Stockholders' Equity [Abstract]", "terseLabel": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [ "r106", "r107", "r108", "r141", "r593" ], "lang": { "en-us": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_StatutoryAccountingPracticesDisclosureTextBlock": { "auth_ref": [ "r660", "r722", "r723", "r724", "r725", "r726" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of how the entity's reporting under GAAP as of the balance sheet date differs from the results based on prescribed and permitted accounting practices of the state or country of domicile in which a relevant statutory filing is made, or differences in results based on the National Association of Insurance Commissioners (NAIC) prescribed practices, or a combination thereof. Describes the accounting practices used and the related monetary effect on statutory surplus, net income, and risk-based capital. If an insurance enterprise's risk-based capital would have triggered a regulatory event had it not used a permitted practice, that fact is disclosed in the financial statements. Permitted statutory accounting practices include practices not prescribed but allowed by the domiciliary state insurance department regulatory authority.", "label": "Statutory Accounting Practices Disclosure [Table Text Block]", "terseLabel": "Statutory Accounting Practices Disclosure" } } }, "localname": "StatutoryAccountingPracticesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StatutoryFinancialInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance": { "auth_ref": [ "r653", "r721" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.", "label": "Statutory Accounting Practices, Statutory Capital and Surplus, Balance", "terseLabel": "Statutory capital and surplus" } } }, "localname": "StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StatutoryFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount": { "auth_ref": [ "r653" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators.", "label": "Statutory Accounting Practices, Statutory Net Income Amount", "terseLabel": "Statutory net loss" } } }, "localname": "StatutoryAccountingPracticesStatutoryNetIncomeAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StatutoryFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesAcquisitions": { "auth_ref": [ "r21", "r22", "r342" ], "calculation": { "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-us": { "role": { "documentation": "Number of shares of stock issued during the period pursuant to acquisitions.", "label": "Stock Issued During Period, Shares, Acquisitions", "totalLabel": "Total shares of common stock immediately after Business Combination (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesAcquisitions", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BusinessCombinationScheduleofequitychangesduetobusinesscombinationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities": { "auth_ref": [ "r41", "r304", "r337", "r338", "r342" ], "lang": { "en-us": { "role": { "documentation": "Number of shares issued during the period as a result of the conversion of convertible securities.", "label": "Stock Issued During Period, Shares, Conversion of Convertible Securities", "terseLabel": "Conversion of preferred stock to common (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.", "label": "Stock Issued During Period, Shares, Employee Benefit Plan", "terseLabel": "401K match with MILE stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesEmployeeBenefitPlan", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesOther": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares of stock issued attributable to transactions classified as other.", "label": "Stock Issued During Period, Shares, Other", "terseLabel": "Business Combination and PIPE financing (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesOther", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation": { "auth_ref": [ "r21", "r22", "r337", "r342" ], "lang": { "en-us": { "role": { "documentation": "Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).", "label": "Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Stock-based compensation (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [ "r21", "r22", "r337", "r342", "r379" ], "lang": { "en-us": { "role": { "documentation": "Number of share options (or share units) exercised during the current period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period", "terseLabel": "Exercises and vested portion of common stock options (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities": { "auth_ref": [ "r42", "r337", "r342" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The gross value of stock issued during the period upon the conversion of convertible securities.", "label": "Stock Issued During Period, Value, Conversion of Convertible Securities", "terseLabel": "Conversion of preferred stock to common" } } }, "localname": "StockIssuedDuringPeriodValueConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.", "label": "Stock Issued During Period, Value, Employee Benefit Plan", "terseLabel": "401K match with MILE stock" } } }, "localname": "StockIssuedDuringPeriodValueEmployeeBenefitPlan", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueOther": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of shares of stock issued attributable to transactions classified as other.", "label": "Stock Issued During Period, Value, Other", "terseLabel": "Business Combination and PIPE financing" } } }, "localname": "StockIssuedDuringPeriodValueOther", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation": { "auth_ref": [ "r21", "r22", "r342", "r370", "r387" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Stock-based compensation" } } }, "localname": "StockIssuedDuringPeriodValueShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": { "auth_ref": [ "r42", "r337", "r342" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of stock issued as a result of the exercise of stock options.", "label": "Stock Issued During Period, Value, Stock Options Exercised", "terseLabel": "Exercises and vested portion of stock options" } } }, "localname": "StockIssuedDuringPeriodValueStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r22", "r27", "r28", "r98", "r195", "r217", "r503", "r556" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "totalLabel": "Total stockholders' equity (deficit)" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Stockholders\u2019 equity (deficit)" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Note [Abstract]", "terseLabel": "Stockholders' Equity Note [Abstract]" } } }, "localname": "StockholdersEquityNoteAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r96", "r323", "r325", "r326", "r327", "r328", "r329", "r330", "r331", "r332", "r333", "r334", "r336", "r342", "r344" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.", "label": "Stockholders' Equity Note Disclosure [Text Block]", "terseLabel": "Stockholders' Equity" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/StockholdersEquity" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]", "terseLabel": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [ "r519", "r558" ], "lang": { "en-us": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]", "terseLabel": "Subsequent Event" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r519", "r558" ], "lang": { "en-us": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r519", "r558" ], "lang": { "en-us": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]", "terseLabel": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r519", "r558" ], "lang": { "en-us": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]", "terseLabel": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Subsequent Events [Abstract]", "terseLabel": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r557", "r559" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "Subsequent Event" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SubsequentEvent" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubsidiarySaleOfStockAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of sale of the entity's stock.", "label": "Sale of Stock [Axis]", "terseLabel": "Sale of Stock [Axis]" } } }, "localname": "SubsidiarySaleOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails", "http://www.metromile.com/role/NotesPayablenetNarrativeDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental cash flow data:" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense": { "auth_ref": [ "r688" ], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 2.0, "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs.", "label": "Current Year Claims and Claims Adjustment Expense", "terseLabel": "Current year", "verboseLabel": "Total incurred losses and loss adjustment expenses, net of reinsurance" } } }, "localname": "SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesIncurredandpaidclaimsdevelopmentDetails", "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense": { "auth_ref": [ "r688" ], "calculation": { "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails": { "order": 1.0, "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs.", "label": "Prior Year Claims and Claims Adjustment Expense", "terseLabel": "Prior years" } } }, "localname": "SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LossandLossAdjustmentExpenseReservesReconciliationofthereservebalancesforlossesandLAEDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCreditCarryforwardAmount": { "auth_ref": [ "r436" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Tax Credit Carryforward, Amount", "terseLabel": "Tax credit carryforwards" } } }, "localname": "TaxCreditCarryforwardAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCreditCarryforwardAxis": { "auth_ref": [ "r437" ], "lang": { "en-us": { "role": { "documentation": "Information by specific tax credit related to an unused tax credit.", "label": "Tax Credit Carryforward [Axis]", "terseLabel": "Tax Credit Carryforward [Axis]" } } }, "localname": "TaxCreditCarryforwardAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardNameDomain": { "auth_ref": [ "r437" ], "lang": { "en-us": { "role": { "documentation": "The name of the tax credit carryforward.", "label": "Tax Credit Carryforward, Name [Domain]", "terseLabel": "Tax Credit Carryforward, Name [Domain]" } } }, "localname": "TaxCreditCarryforwardNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxPeriodAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information about the period subject to enacted tax laws.", "label": "Tax Period [Axis]", "terseLabel": "Tax Period [Axis]" } } }, "localname": "TaxPeriodAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TaxPeriodDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identified tax period.", "label": "Tax Period [Domain]", "terseLabel": "Tax Period [Domain]" } } }, "localname": "TaxPeriodDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2016Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2016.", "label": "Tax Year 2016 [Member]", "terseLabel": "Tax Year 2016" } } }, "localname": "TaxYear2016Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2017Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2017.", "label": "Tax Year 2017 [Member]", "terseLabel": "Tax Year 2017" } } }, "localname": "TaxYear2017Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2018Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2018.", "label": "Tax Year 2018 [Member]", "terseLabel": "Tax Year 2018" } } }, "localname": "TaxYear2018Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2019Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2019.", "label": "Tax Year 2019 [Member]", "terseLabel": "Tax Year 2019" } } }, "localname": "TaxYear2019Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2020Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2020.", "label": "Tax Year 2020 [Member]", "terseLabel": "Tax Year 2020" } } }, "localname": "TaxYear2020Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxYear2021Member": { "auth_ref": [ "r423" ], "lang": { "en-us": { "role": { "documentation": "Identified as tax year 2021.", "label": "Tax Year 2021 [Member]", "terseLabel": "Tax Year 2021" } } }, "localname": "TaxYear2021Member", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TemporaryEquityCarryingAmountAttributableToParent": { "auth_ref": [ "r271", "r276", "r277", "r278", "r284", "r285" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.", "label": "Temporary Equity, Carrying Amount, Attributable to Parent", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Convertible preferred stock, $0.0001 par value; 10,000,000 and 89,775,268 shares authorized as of December\u00a031, 2021, and December 31, 2020, respectively; 0 and 68,776,614 shares issued and outstanding as of December\u00a031, 2021, and December 31, 2020, respectively; liquidation preference of $0 and $302,397 as of December\u00a031, 2021, and December 31, 2020, respectively" } } }, "localname": "TemporaryEquityCarryingAmountAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_TemporaryEquitySharesOutstanding": { "auth_ref": [ "r19" ], "lang": { "en-us": { "role": { "documentation": "The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.", "label": "Temporary Equity, Shares Outstanding", "periodEndLabel": "Ending balance (in shares)", "periodStartLabel": "Beginning balance (in shares)" } } }, "localname": "TemporaryEquitySharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of new stock classified as temporary equity issued during the period.", "label": "Temporary Equity, Stock Issued During Period, Value, New Issues", "terseLabel": "Exercise of convertible preferred stock warrants" } } }, "localname": "TemporaryEquityStockIssuedDuringPeriodValueNewIssues", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSDEFICITEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "auth_ref": [ "r207", "r208", "r214", "r215", "r216", "r312", "r335", "r476", "r560", "r561", "r562", "r563", "r564", "r565", "r566", "r567", "r568", "r569", "r570", "r571", "r572", "r573", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r588", "r589", "r590", "r776", "r777", "r778", "r779", "r780", "r781", "r782" ], "lang": { "en-us": { "role": { "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.", "label": "Financial Instruments [Domain]", "terseLabel": "Financial Instruments [Domain]" } } }, "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [ "r0", "r1", "r2", "r3", "r4", "r109", "r110", "r111", "r112", "r123", "r196", "r197", "r218", "r219", "r220", "r221", "r222", "r223", "r270", "r401", "r402", "r403", "r404", "r405", "r406", "r407", "r408", "r444", "r445", "r446", "r447", "r477", "r478", "r479", "r480", "r481", "r482", "r483", "r484", "r485", "r486", "r487", "r504", "r505", "r506", "r507", "r508", "r509", "r510", "r511", "r545", "r594", "r595", "r596", "r708", "r709", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r718", "r719", "r786", "r787", "r788", "r789", "r790" ], "lang": { "en-us": { "role": { "documentation": "Amendment to accounting standards.", "label": "Accounting Standards Update [Domain]", "terseLabel": "Accounting Standards Update [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_USTreasurySecuritiesMember": { "auth_ref": [ "r103", "r353", "r361", "r628" ], "lang": { "en-us": { "role": { "documentation": "This category includes information about debt securities issued by the United States Department of the Treasury and backed by the United States government. Such securities primarily consist of treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years).", "label": "US Treasury Securities [Member]", "netLabel": "U.S. treasury\u00a0and agency securities", "verboseLabel": "U.S. treasury and agency securities" } } }, "localname": "USTreasurySecuritiesMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofassetsmeasuredonarecurringbasisatfairvalueDetails", "http://www.metromile.com/role/MarketableSecuritiesContinuouslosspositionDetails", "http://www.metromile.com/role/MarketableSecuritiesScheduleofavailableforsalesecuritiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnamortizedDebtIssuanceExpense": { "auth_ref": [ "r35" ], "calculation": { "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.", "label": "Unamortized Debt Issuance Expense", "negatedLabel": "Less: Unamortized debt issuance costs and discounts" } } }, "localname": "UnamortizedDebtIssuanceExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/NotesPayablenetScheduleofdebtoutstandingnetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnearnedPremiums": { "auth_ref": [ "r648" ], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 9.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails": { "order": 1.0, "parentTag": "mile_NetUnearnedPremium", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount of premiums written on insurance contracts that have not been earned as of the balance sheet date.", "label": "Unearned Premiums", "terseLabel": "Unearned premium reserve", "verboseLabel": "Direct Unearned Premium" } } }, "localname": "UnearnedPremiums", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.metromile.com/role/ReinsuranceScheduleofreinsuranceDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy": { "auth_ref": [ "r686", "r692" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for estimating the ultimate cost of settling insurance claims relating to insured events that have occurred on or before a particular date (ordinarily, the statement of financial position date). The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claims adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims.", "label": "Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block]", "terseLabel": "Losses and Loss Adjustment Expenses and Loss and Loss Adjustment Expenses Reserves" } } }, "localname": "UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r417", "r425" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "periodEndLabel": "Gross unrecognized tax benefit, ending balance", "periodStartLabel": "Gross unrecognized tax benefit, beginning of the year" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesUncertaintaxpositionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": { "auth_ref": [ "r426" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.", "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions", "terseLabel": "Increases related to tax positions taken during current year" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/IncomeTaxesUncertaintaxpositionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnusualOrInfrequentItemAxis": { "auth_ref": [ "r71" ], "lang": { "en-us": { "role": { "documentation": "Information by an event or transaction that is unusual in nature or infrequent in occurrence, or both.", "label": "Unusual or Infrequent Item, or Both [Axis]", "terseLabel": "Unusual or Infrequent Item, or Both [Axis]" } } }, "localname": "UnusualOrInfrequentItemAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_UnusualOrInfrequentItemDomain": { "auth_ref": [ "r71" ], "lang": { "en-us": { "role": { "documentation": "Event or transaction that is unusual in nature or infrequent in occurrence, or both.", "label": "Unusual or Infrequent Item, or Both [Domain]", "terseLabel": "Unusual or Infrequent Item, or Both [Domain]" } } }, "localname": "UnusualOrInfrequentItemDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r145", "r146", "r148", "r149", "r153", "r154", "r155" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails": { "order": 8.0, "parentTag": "us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations.", "label": "Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses", "terseLabel": "Other operating expenses" } } }, "localname": "UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/SegmentandGeographicInformationScheduleofcontributiontoitstotallossfromoperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableLeaseCost": { "auth_ref": [ "r537", "r544" ], "calculation": { "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails": { "order": 3.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.", "label": "Variable Lease, Cost", "terseLabel": "Variable lease cost" } } }, "localname": "VariableLeaseCost", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/LeasesCommitmentsandContingenciesOperatingleasecostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Warrant [Member]", "terseLabel": "Warrant" } } }, "localname": "WarrantMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CoverPage", "http://www.metromile.com/role/NetLossperShareScheduleofantidilutivesecuritiesexcludedfromcomputationofearningspershareDetails", "http://www.metromile.com/role/PublicandPrivateWarrantsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WarrantsAndRightsOutstanding": { "auth_ref": [], "calculation": { "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.", "label": "Warrants and Rights Outstanding", "terseLabel": "Warrant liability" } } }, "localname": "WarrantsAndRightsOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantsAndRightsOutstandingMeasurementInput": { "auth_ref": [ "r492" ], "lang": { "en-us": { "role": { "documentation": "Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.", "label": "Warrants and Rights Outstanding, Measurement Input", "terseLabel": "Private placement warrants" } } }, "localname": "WarrantsAndRightsOutstandingMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/FairValueofFinancialInstrumentsScheduleofBlackScholesoptionvaluationmodelDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r126", "r134" ], "lang": { "en-us": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "terseLabel": "Weighted-average shares used in computing diluted net loss per share (in shares)", "verboseLabel": "Weighted average common shares outstanding - diluted (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r124", "r134" ], "lang": { "en-us": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Weighted-average shares used in computing basic net loss per share (in shares)", "verboseLabel": "Weighted average common shares outstanding \u2014 basic (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://www.metromile.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS", "http://www.metromile.com/role/NetLossperShareScheduleofbasicanddilutednetlosspershareDetails" ], "xbrltype": "sharesItemType" } }, "unitCount": 14 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(k)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(1)(ii)(A))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690" }, "r105": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(3)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(4)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=SL124452830-107794" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.M.Q2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=122038215&loc=d3e31137-122693" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1377-109256" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1252-109256" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2626-109256" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(17))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e3842-109258" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r140": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592" }, "r156": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(j)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "26", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "34", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27)(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599" }, "r193": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4647-111522" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=124402435&loc=SL124402458-218513" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=124402435&loc=SL124402458-218513" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aaa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563" }, "r213": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "320", "URI": "http://asc.fasb.org/topic&trid=2196928" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)(3)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)(4)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3)(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922895-210455" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(i)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.A)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=122040515&loc=d3e105025-122735" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "((a)(1),(b))", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b),(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "30", "SubTopic": "40", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=118172244&loc=d3e17916-109280" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "25", "SubTopic": "50", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=16397303&loc=d3e19379-109286" }, "r251": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226317&loc=d3e202-110218" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.CC)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(4))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308" }, "r266": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349" }, "r268": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "12A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=99376301&loc=SL5988623-112600" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S65", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359872&loc=SL124427846-239511" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(5))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(5))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(i)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "1C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "1C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "1C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "1I", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "1I", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "1I", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "1I", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "69B", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "69C", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "69E", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "69F", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r331": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "50", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775" }, "r344": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(i)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(A)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(B)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(C)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(03)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19-26)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(n)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "70", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942" }, "r363": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "70", "Topic": "715", "URI": "http://asc.fasb.org/subtopic&trid=2235116" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(d)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(4)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iv)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.D.2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809" }, "r411": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "35", "Subparagraph": "(a)", "Topic": "720", "URI": "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "35", "Subparagraph": "(b)", "Topic": "720", "URI": "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "730", "URI": "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "730", "URI": "http://asc.fasb.org/extlink&oid=6420387&loc=d3e23199-108380" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "730", "URI": "http://asc.fasb.org/extlink&oid=6420387&loc=d3e23221-108380" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32247-109318" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32280-109318" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319" }, "r423": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32847-109319" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "217", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=124434304&loc=d3e36027-109320" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(3)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.5.Q1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.C)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324" }, "r455": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "270", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331" }, "r457": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r458": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "37", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472" }, "r464": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479" }, "r465": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(4)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479" }, "r466": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=123454820&loc=SL4569616-111683" }, "r467": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r468": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r469": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580" }, "r470": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r471": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c),(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r472": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685" }, "r473": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685" }, "r474": { "Name": "Accounting Standards Codification", "Paragraph": "4J", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=120409616&loc=SL4591551-111686" }, "r475": { "Name": "Accounting Standards Codification", "Paragraph": "4K", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=120409616&loc=SL4591552-111686" }, "r476": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(f)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008" }, "r477": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r478": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(a)(2)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r479": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(a)(3)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580" }, "r480": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(b)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r481": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(b)(2)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r482": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r483": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r484": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(2)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r485": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(3)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r486": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(4)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r487": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r488": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r489": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580" }, "r490": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r492": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r493": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)(i)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r495": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r496": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r497": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258" }, "r498": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=SL6742756-110258" }, "r499": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123594809&loc=d3e13220-108610" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=124429488&loc=d3e326-107755" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611" }, "r502": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL120254526-165497" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL120254526-165497" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL121967933-165497" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580" }, "r510": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL122642865-165497" }, "r511": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123597120&loc=SL122642865-165497" }, "r512": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906" }, "r513": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900" }, "r514": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r515": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r516": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r517": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r518": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901" }, "r519": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580" }, "r520": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r521": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399" }, "r522": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399" }, "r523": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399" }, "r524": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629" }, "r525": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r526": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(Note 3)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=123403562&loc=d3e38371-112697" }, "r527": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=123406913&loc=d3e41502-112717" }, "r528": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=123406913&loc=d3e41502-112717" }, "r529": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123341672&loc=SL77916155-209984" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580" }, "r530": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977" }, "r531": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977" }, "r532": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977" }, "r533": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977" }, "r534": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918666-209980" }, "r535": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r536": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r537": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r538": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r539": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e557-108580" }, "r540": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r541": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r542": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980" }, "r543": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980" }, "r544": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971" }, "r545": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "848", "URI": "http://asc.fasb.org/extlink&oid=122150657&loc=SL122150809-237846" }, "r546": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r547": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r548": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r549": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL116659661-227067" }, "r550": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r551": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864" }, "r552": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864" }, "r553": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r554": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765" }, "r555": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765" }, "r556": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766" }, "r557": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r558": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r559": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067" }, "r560": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r561": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)(ii)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r562": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r563": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r564": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r565": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r566": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r567": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r568": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r569": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067" }, "r570": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r571": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r572": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r573": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728" }, "r574": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729" }, "r575": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729" }, "r576": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746" }, "r577": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746" }, "r578": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746" }, "r579": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(4)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067" }, "r580": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r581": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r582": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r583": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(4)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r584": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(5)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r585": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(6)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r586": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(7)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r587": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(b)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r588": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r589": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(210.5-03(11))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r590": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746" }, "r591": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "910", "URI": "http://asc.fasb.org/extlink&oid=123353855&loc=SL119991595-234733" }, "r592": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "730", "Topic": "912", "URI": "http://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433" }, "r593": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.L)", "Topic": "924", "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856" }, "r594": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "926", "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079" }, "r595": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "926", "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079" }, "r596": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "926", "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079" }, "r597": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447" }, "r598": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447" }, "r599": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r600": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447" }, "r601": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447" }, "r602": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447" }, "r603": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447" }, "r604": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447" }, "r605": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447" }, "r606": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447" }, "r607": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(1)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447" }, "r608": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(2)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447" }, "r609": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "http://asc.fasb.org/extlink&oid=123384075&loc=d3e41242-110953" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r610": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "940", "URI": "http://asc.fasb.org/subtopic&trid=2176304" }, "r611": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(1)(a))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r612": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(10))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r613": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r614": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r615": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r616": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r617": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r618": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(6))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r619": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.15)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r620": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r621": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13)(c))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r622": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r623": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r624": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(26))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r625": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(27))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r626": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.9)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r627": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.9-05(b)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884" }, "r628": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(b)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62557-112803" }, "r629": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(a)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(24))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r630": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Subparagraph": "(b)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803" }, "r631": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803" }, "r632": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62652-112803" }, "r633": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "942", "URI": "http://asc.fasb.org/subtopic&trid=2209399" }, "r634": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630" }, "r635": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "405", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818" }, "r636": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "(c)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823" }, "r637": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823" }, "r638": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123345438&loc=d3e61044-112788" }, "r639": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6480726&loc=d3e6691-158385" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(25))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r640": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387" }, "r641": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99397103&loc=d3e6816-158387" }, "r642": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387" }, "r643": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(13)(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r644": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(15)(b)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r645": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r646": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r647": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r648": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(13)(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r649": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(4))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r650": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r651": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r652": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r653": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(c))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r654": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r655": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(3))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r656": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(7))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r657": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r658": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r659": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.1(h))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(8))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r660": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.23(c))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r661": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.5)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r662": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(1))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r663": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r664": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r665": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(22))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r666": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(23))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r667": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(7)(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r668": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r669": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(9))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1(e))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r670": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04.4)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r671": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04.5)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r672": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.12-17(Column A))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120401096&loc=d3e574960-122915" }, "r673": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.12-17(Column B))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915" }, "r674": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.12-17(Column C))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915" }, "r675": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.12-17(Column E))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915" }, "r676": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915" }, "r677": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415" }, "r678": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415" }, "r679": { "Name": "Accounting Standards Codification", "Paragraph": "2B", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124505477&loc=SL117422543-158416" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r680": { "Name": "Accounting Standards Codification", "Paragraph": "2B", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124505477&loc=SL117422543-158416" }, "r681": { "Name": "Accounting Standards Codification", "Paragraph": "2B", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124505477&loc=SL117422543-158416" }, "r682": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504731&loc=d3e11522-158419" }, "r683": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "30", "Topic": "944", "URI": "http://asc.fasb.org/subtopic&trid=4737841" }, "r684": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "310", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99404803&loc=d3e21412-158489" }, "r685": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "340", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6485982&loc=d3e22818-158507" }, "r686": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14754-158437" }, "r687": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437" }, "r688": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437" }, "r689": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(c)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.3)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r690": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(cc)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437" }, "r691": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437" }, "r692": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14784-158437" }, "r693": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438" }, "r694": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438" }, "r695": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438" }, "r696": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671315-158438" }, "r697": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671317-158438" }, "r698": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671317-158438" }, "r699": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671321-158438" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r700": { "Name": "Accounting Standards Codification", "Paragraph": "4G", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438" }, "r701": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r702": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439" }, "r703": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441" }, "r704": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441" }, "r705": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(c)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441" }, "r706": { "Name": "Accounting Standards Codification", "Paragraph": "29F", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441" }, "r707": { "Name": "Accounting Standards Codification", "Paragraph": "9C", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=122147696&loc=SL65671395-207642" }, "r708": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r709": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233" }, "r710": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r711": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r712": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r713": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r714": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(i)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r715": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(ii)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r716": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(iii)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r717": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(iv)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r718": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r719": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585" }, "r720": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "40", "Subparagraph": "(SAB Topic 5.W)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=27015833&loc=d3e570705-122907" }, "r721": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "505", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529" }, "r722": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "505", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529" }, "r723": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "505", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486098&loc=d3e24746-158529" }, "r724": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "505", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486098&loc=d3e24790-158529" }, "r725": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "55", "SubTopic": "505", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=82848697&loc=d3e24938-158530" }, "r726": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "55", "SubTopic": "505", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=82848697&loc=d3e24959-158530" }, "r727": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "605", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=84167274&loc=d3e27175-158546" }, "r728": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(a)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r729": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(b)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585" }, "r730": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(b)(3)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r731": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(c)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r732": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(c)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r733": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Subparagraph": "(c)(3)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r734": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "605", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547" }, "r735": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "605", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99379264&loc=d3e27758-158548" }, "r736": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "605", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99379264&loc=d3e27830-158548" }, "r737": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(e)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473" }, "r738": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "825", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124506110&loc=d3e32546-158582" }, "r739": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=123600520&loc=SL75241803-196195" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585" }, "r740": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=123600520&loc=SL75241803-196195" }, "r741": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "944", "URI": "http://asc.fasb.org/topic&trid=2303980" }, "r742": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.6-07.1(c))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272" }, "r743": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "320", "Topic": "946", "URI": "http://asc.fasb.org/subtopic&trid=2324412" }, "r744": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014" }, "r745": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "210", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580" }, "r746": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "210", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=120413209&loc=SL6242269-115581" }, "r747": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=123364037&loc=d3e3115-115594" }, "r748": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "440", "Subparagraph": "(a)", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629" }, "r749": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Subparagraph": "(d)", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585" }, "r750": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916" }, "r751": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916" }, "r752": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column B))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r753": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column C))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r754": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column D))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r755": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column E))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r756": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column F))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r757": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column G))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r758": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column H))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r759": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column I))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585" }, "r760": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 2))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r761": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(c)", "Topic": "976", "URI": "http://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663" }, "r762": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(b)", "Topic": "978", "URI": "http://asc.fasb.org/extlink&oid=123360121&loc=d3e27327-108691" }, "r763": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r764": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r765": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r766": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756" }, "r767": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "730", "Topic": "985", "URI": "http://asc.fasb.org/subtopic&trid=2197926" }, "r768": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r769": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585" }, "r770": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-23" }, "r771": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r772": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310" }, "r773": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f" }, "r774": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f" }, "r775": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1" }, "r776": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(a)", "Publisher": "SEC", "Section": "1402" }, "r777": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(b)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(1)" }, "r778": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(b)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(2)" }, "r779": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(b)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(3)" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3000-108585" }, "r780": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(c)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(2)(i)" }, "r781": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(c)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(2)(ii)" }, "r782": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(c)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(2)(iii)" }, "r783": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(b)", "Publisher": "SEC", "Section": "1403" }, "r784": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r785": { "Name": "Securities Act", "Number": "230", "Publisher": "SEC", "Section": "405" }, "r786": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "848" }, "r787": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "848" }, "r788": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "848" }, "r789": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(3)(iii)(01)", "Topic": "848" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585" }, "r790": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(3)(iii)(03)", "Topic": "848" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3095-108585" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3098-108585" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4273-108586" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(c))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(d))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(e)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" } }, "version": "2.1" }