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Unpaid Loss and Loss Adjustment Expense - Reconciliation of net incurred and paid loss information in the loss reserve rollforward table and development tables with respect to the current accident year (Details) $ in Millions | Dec. 31, 2019 USD ($)
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2019 Current Accident Year | Incurred claims |
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items] |
Rollforward table | $ 47.3
Development table | 46.0
Variance | 1.3
Unallocated loss adjustment expense | 1.3
2019 Current Accident Year | Paid claims |
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items] |
Rollforward table | 37.7
Development table | 36.4
Variance | 1.3
Unallocated loss adjustment expense | 1.3
2019 Prior Accident Year | Incurred claims |
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items] |
Rollforward table | (1.5)
Development table | (1.5)
Variance | 0.0
2019 Prior Accident Year | Paid claims |
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items] |
Rollforward table | 0.2
Development table | 0.2
Variance | $ 0.0

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- Definition Development amount of liability for unpaid claims and claims adjustment expense under the insurance contract. + References No definition available. + Details
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- Definition Rollforward amount of liability for unpaid claims and claims adjustment expense under the insurance contract. + References No definition available. + Details
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- Definition Amount of aggregate reconciling items for the reconciliation of the liability in the disclosure of claims development (in excess of) less than the liability for unpaid claims and claims adjustment expense for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671315-158438 + Details
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- Definition Amount of liability for unallocated claim adjustment expense for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671315-158438 + Details
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- 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
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