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Loss and Loss Adjustment Expenses - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Unpaid Losses And Loss Expenses [Line Items] |  |  |
Loss and LAE Related to Prior Periods | $ 41,396 | $ 40,591 | $ 61,917
Minimum period of underwriting workers? compensation insurance from which historical loss data utilize | 38 years |  |

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- Definition Minimum period of underwriting workers compensation insurance from which historical loss data utilize. + References No definition available. + Details
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- Definition Unpaid Losses And Loss Expenses [Line Items] + References No definition available. + Details
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- Definition Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-3 + Details
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