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Statutory Information - Narrative (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) subsidiary
Ireland |
Statutory Accounting Practices [Line Items] |
Number Of Subsidiaries | subsidiary | 3
Mortgage | North Carolina or Wisconsin |
Statutory Accounting Practices [Line Items] |
Required contingency loss reserve as a percentage of net earned premiums | 50.00%
Withdrawal restriction period | 10 years
Withdrawal restriction period, with prior approval | 35.00%
Maximum risk to capital ratio | 2500.00%
United Guaranty Residential Insurance Company | North Carolina |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2022, total | $ 180
Arch Re US | United States |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2022, total | $ 329
Arch Re Bermuda | Bermuda |
Statutory Accounting Practices [Line Items] |
Dividends, percentage permitted | 25.00%
Dividend required notice period | 7 days
Dividends available for payment in 2022 without prior regulatory approval | $ 4,800
Arch Group Reinsurance Ltd | Bermuda |
Statutory Accounting Practices [Line Items] |
Dividends, percentage permitted | 25.00%
Dividend required notice period | 7 days
Arch Mortgage Insurance Company | WISCONSIN |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2022, total | $ 180
Arch Mortgage Guaranty Company | WISCONSIN |
Statutory Accounting Practices [Line Items] |
Dividends available for payment in 2022, total | $ 180

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- Definition Maximum Risk To Capital Ratio + References No definition available. + Details
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- Definition Number Of Subsidiaries + References No definition available. + Details
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- Definition Statutory Accounting Contingency Loss Reserve Percentage Of Net Earned Premiums + References No definition available. + Details
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- Definition Statutory Accounting Contingency Loss Reserve Percentage Of Net Earned Premiums With Prior Approval + References No definition available. + Details
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- Definition The percentage of total statutory capital and surplus (as shown on its previous financial year's statutory balance sheet) which may be paid out as dividends without the requirement to file an affadavit with the regulatory body stating that the Company will continue to meet required margins. + References No definition available. + Details
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- Definition Statutory Capital And Surplus Notice Period Required For Dividends + References No definition available. + Details
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- Definition Withdrawal Restriction Period + References No definition available. + 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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
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- Definition Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References No definition available. + Details
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- Definition Amount of dividends that can be declared or paid without approval of regulatory agency. + References No definition available. + Details
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