XML 61 R48.htm IDEA: XBRL DOCUMENT
v3.21.1

SHARE-BASED COMPENSATION - Share-based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | $ 2.3 | $ 25.7
RSUs |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 0.6 | 0.0
Options |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 1.7 | 25.7
Loss and loss adjustment expenses |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 0.1 | 0.4
Sales and marketing |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 0.0 | 1.0
Other insurance expense |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 0.1 | 0.9
Technology and development |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | 0.3 | 5.2
General and administrative |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Total share-based compensation expense | $ 1.8 | $ 18.2

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=root_LiabilityForClaimsAndClaimsAdjustmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingAndMarketingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=root_OtherInsuranceExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=root_TechnologyAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |