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Related Party Transactions - Additional Information (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Related Party Transaction [Line Items] |  |  |  |
Related party notes payable | $ 5,635,000 | $ 0 | $ 5,635,000 |
Commissions and fees |  | 1,493,680,000 | 1,377,116,000 | $ 1,211,828,000
Right-of-use assets | 72,367,000 | 61,976,000 | 72,367,000 |
Operating lease liabilities | 85,853,000 | 75,739,000 | 85,853,000 |
Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Producer commissions received |  | 500,000 | 600,000 | 600,000
Commitment to USF paid |  | 400,000 | 400,000 | 300,000
Related Party | Emerald Bay |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Investments in Emerald Bay | 2,100,000 | 2,300,000 | 2,100,000 |
Related Party | Holding Company of the Villages, Inc. and Affiliated Entities |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Rent expense |  | 800,000 | 700,000 | 400,000
Right-of-use assets | 1,300,000 | 1,700,000 | 1,300,000 |
Operating lease liabilities | 1,400,000 | 1,800,000 | 1,400,000 |
Related Party | Other Parties, Excluding Holding Company of the Villages, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Rent expense |  | 3,100,000 | 3,700,000 | 3,900,000
Right-of-use assets | 9,700,000 | 7,600,000 | 9,700,000 |
Operating lease liabilities | 10,300,000 | 8,800,000 | 10,300,000 |
Broker Services | Related Party | Holding Company of the Villages, Inc. and Affiliated Entities |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Commissions and fees |  | 2,500,000 | 2,400,000 | 2,100,000
Broker Services | Related Party | Entities In Which Member of Board of Directors Has Material Interest |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Commissions and fees |  | $ 300,000 | $ 200,000 | $ 300,000
Minimum | Related Party | Holding Company of the Villages, Inc. and Affiliated Entities |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Monthly rent expense per lease | 3,000 |  |  |
Minimum | Related Party | Other Parties, Excluding Holding Company of the Villages, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Monthly rent expense per lease | 2,000 |  |  |
Maximum | Related Party | Holding Company of the Villages, Inc. and Affiliated Entities |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Monthly rent expense per lease | 18,000 |  |  |
Maximum | Related Party | Other Parties, Excluding Holding Company of the Villages, Inc. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Monthly rent expense per lease | $ 61,000 |  |  |

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