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Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Legal Fees |  |  |
Related Party Transaction |  |  |
Related Party Transaction, Amounts of Transaction |  |  | $ 2,407
Spouse of Executive Officer | Legal Fees |  |  |
Related Party Transaction |  |  |
Related Party Transaction, Amounts of Transaction |  |  | 1,204
Related interest in billings (percentage) | 50.00% |  |
Director | AmRisc gross written premiums |  |  |
Related Party Transaction |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 406,914 | 361,904
Director | AmRisc Fees and Commission |  |  |
Related Party Transaction |  |  |
Related Party Transaction, Amounts of Transaction |  | 107,577 | 95,920
Director | AmRisc ceded premiums written |  |  |
Related Party Transaction |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 6,253 | $ 5,146

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- Definition Related Party Transaction, Amounts Of Transaction, Related Party Ownership Interest + References No definition available. + Details
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- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + 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 No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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