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Statutory Net Income, Capital and Surplus and Dividend Restrictions - Additional Information (Detail) $ in Millions | Dec. 31, 2019 USD ($)
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Statutory Accounting Practices [Line Items] |
Amounts available for distribution as dividends | $ 39.9
Atlantic States [Member] |
Statutory Accounting Practices [Line Items] |
Amounts available for distribution as dividends | 25.9
Southern [Member] |
Statutory Accounting Practices [Line Items] |
Amounts available for distribution as dividends | 5.4
Peninsula [Member] |
Statutory Accounting Practices [Line Items] |
Amounts available for distribution as dividends | 2.0
MICO [Member] |
Statutory Accounting Practices [Line Items] |
Amounts available for distribution as dividends | $ 6.6

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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 of dividends available for payment after computation of statutory restrictions on capital surplus. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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