Revenues (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Investment Management Fees by Source

The following table summarizes investment management fees by source:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2023		2022		2023		2022
Investment management fees
Open-end funds	$	78,161	$	84,875	$	149,427	$	182,252
Closed-end funds	14,674		16,174		29,352		33,114
Retail separate accounts	42,803		45,312		82,882		94,915
Institutional accounts	44,341		38,663		82,796		81,560
Total investment management fees	$	179,979	$	185,024	$	344,457	$	391,841