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Losses and LAE - Schedule of Provision for Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Effects of Reinsurance [Line Items] |  |  |
Total provision for losses | $ (2,514) | $ (42,526) | $ (338,239)
Mortgage insurance |  |  |
Effects of Reinsurance [Line Items] |  |  |
Total provision for losses | (2,248) | (42,136) | (339,374)
Title Insurance |  |  |
Effects of Reinsurance [Line Items] |  |  |
Total provision for losses | $ (266) | $ (390) | $ 1,135

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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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- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 + Details
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