Revenues (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes revenue by source:

	Three Months Ended March 31,
(in thousands)	2021		2020
Investment management fees
Open-end funds	$	88,872	$	59,108
Closed-end funds	12,940		10,179
Retail separate accounts	37,512		25,714
Institutional accounts	32,438		22,917
Structured products	1,259		1,574
Other products	248		796
Total investment management fees	173,269		120,288
Distribution and service fees	20,348		9,460
Administration and shareholder service fees	22,560		14,653
Other income and fees	720		165
Total revenues	$	216,897	$	144,566