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Description of Business and Summary of Significant Accounting Policies - Revenue, Advertising, Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Capitalized Contract Cost [Line Items] |  |  |
Capitalized contract cost, amortization | $ 0.2 | $ 0.1 |
Advertising costs | $ 13.5 | 3.6 | $ 2.2
Minimum |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Term of home warranty contracts | 90 days |  |
Maximum |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Term of home warranty contracts | 3 years |  |
Manufacturer covered warranty, extension term | 25 years |  |
Other Noncurrent Assets |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Capitalized Contract Cost, net | $ 0.6 | 0.3 |
Prepaid Expenses and Other Current Assets |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Capitalized Contract Cost, net | $ 0.3 | $ 0.1 |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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