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Description of Business and Summary of Significant Accounting Policies - Cash and cash equivalents (Details) $ in Millions | Mar. 31, 2024 USD ($) state | Dec. 31, 2023 USD ($) state
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Accounting Policies [Abstract] |  |
Restricted cash equivalents | $ 27.7 |
Restricted cash pledged against obligations to policyholders and creditors | 1.4 | $ 1.3
Restricted funds held for payment of possible warranty claims | $ 6.8 | $ 7.3
Number of states regulatory guidelines of warranty claims | state | 21 | 19
Indemnification hold back cost | $ 1.0 | $ 1.9
Restricted cash pledged as collateral |  | $ 28.3

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- Definition The number of states regulatory guidelines of warranty claims to be met. + References No definition available. + Details
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- Definition Amount of restricted cash pledged as collateral to the entity's captive insurance company. + References No definition available. + Details
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- Definition Amount of restricted cash pledged to meet obligations to policyholders and creditors. + References No definition available. + Details
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- Definition Amount of cash equivalents restricted as to withdrawal or usage, classified as current. 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480632/954-210-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480602/954-210-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 + Details
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