v3.26.3
Revenue Recognition (Tables)
 9 Months Ended
Sep. 30, 2026
Revenue from Contract with Customer [Abstract]  
Summary of Revenues
Revenues for the three and nine months ended September 30, 2026 and 2025 consisted of the following:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
(in thousands)
Subject to contracts with customers:
    Investment advisory and services fees
        Base fees$868,548 $852,478 $2,578,032 $2,475,663 
        Performance-based fees121,422 21,972 234,098 97,877 
    Distribution revenues
        All-in-management fees88,546 90,754 269,241 266,124 
        12b-1 fees14,583 16,008 44,121 47,508 
        Other distribution fees94,151 103,662 287,655 294,179 
    Other revenues
        Shareholder servicing fees22,655 21,176 70,595 59,096 
JV related revenues6,055 9,242 19,044 27,589 
        Other3,253 2,932 9,193 10,044 
1,219,213 1,118,224 3,511,979 3,278,080 
Not subject to contracts with customers:
    Dividend and interest income, net of broker-dealer related interest expense17,171 20,741 51,325 58,049 
    Investment (losses) gains(11,454)(2,721)33,110 (31,084)
    Other revenues635 903 1,881 1,616 
6,352 18,923 86,316 28,581 
Total net revenues$1,225,565 $1,137,147 $3,598,295 $3,306,661