Revenues (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes investment management fees by source:

	Three Months Ended March 31,
(in thousands)	2022		2021
Investment management fees
Open-end funds	$	97,377	$	89,120
Closed-end funds	16,940		12,940
Retail separate accounts	49,603		37,512
Institutional accounts	41,991		32,438
Structured products	906		1,259
Total investment management fees	$	206,817	$	173,269