Intangible Assets, Net and Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Goodwill [Roll Forward] | ||
| Balance at December 31, 2025 | $ 1,517,171 | |
| Goodwill of acquired businesses | 1,134,895 | |
| Measurement period adjustments | 341 | $ 0 |
| Balance at June 30, 2026 | 2,652,407 | |
| Insurance Advisory Solutions | ||
| Goodwill [Roll Forward] | ||
| Balance at December 31, 2025 | 932,487 | |
| Goodwill of acquired businesses | 940,290 | |
| Measurement period adjustments | 0 | |
| Balance at June 30, 2026 | 1,872,777 | |
| Underwriting, Capacity & Technology Solutions | ||
| Goodwill [Roll Forward] | ||
| Balance at December 31, 2025 | 241,905 | |
| Goodwill of acquired businesses | 194,605 | |
| Measurement period adjustments | 341 | |
| Balance at June 30, 2026 | 436,851 | |
| Mainstreet Insurance Solutions Segment | ||
| Goodwill [Roll Forward] | ||
| Balance at December 31, 2025 | 342,779 | |
| Goodwill of acquired businesses | 0 | |
| Measurement period adjustments | 0 | |
| Balance at June 30, 2026 | $ 342,779 | |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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