Revenues (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Investment Management Fees by Source

The following table summarizes investment management fees by source:

	Three Months Ended March 31,
(in thousands)	2023		2022
Investment management fees
Open-end funds	$	71,266	$	97,377
Closed-end funds	14,678		16,940
Retail separate accounts	40,079		49,603
Institutional accounts	38,455		42,897
Total investment management fees	$	164,478	$	206,817