v3.26.1
Segment Reporting (Schedule Of Net Revenues Earned On Major Geographical Areas) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Total net revenues [1] $ 1,478,161 $ 1,255,469
United States [Member]    
Segment Reporting Information [Line Items]    
Total net revenues 1,377,435 1,181,460
United Kingdom [Member]    
Segment Reporting Information [Line Items]    
Total net revenues 59,034 48,244
Canada [Member]    
Segment Reporting Information [Line Items]    
Total net revenues 23,349 16,479
Other [Member]    
Segment Reporting Information [Line Items]    
Total net revenues $ 18,343 $ 9,286
[1] No individual client accounted for more than 10 percent of total net revenues for the three months ended March 31, 2026 and 2025.