Related party transactions |
6 Months Ended |
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Jun. 30, 2026 | |
| Related Party Transactions [Abstract] | |
| Related party transactions | 16. Related party transactions For the three months ended June 30, 2025, we had an income statement benefit of $1.4 million related to the contractual adjustment of previously accrued expenses incurred with Altamont Capital Management LLC ("ACM"), an affiliate. For the six months ended June 30, 2025, we incurred $0.7 million of advisory fees and expenses with ACM. In July 2025, we agreed to terminate the existing management services agreement with ACM, which previously set out terms on which, among other things, we had compensated ACM for its services; therefore, there were no expenses accrued during the three and six months ended June 30, 2026. For the six months ended June 30, 2026 and 2025, Hadron, an Accelerant Risk Exchange Insurer majority owned by Altamont Capital Partners, an affiliate, accounted for $399.0 million and $292.7 million of Exchange Written Premium, respectively.
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