Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Revenues

Revenues for the years ended December 31, 2023, 2022 and 2021 consisted of the following:

	Years Ended December 31
	2023			2022			2021
	(in thousands)
Subject to contracts with customers:
Investment advisory and services fees
Base fees		$	2,830,557		$	2,825,791		$	2,949,405
Performance-based fees		144,911			145,247			245,119
Bernstein research services		386,142			416,273			452,017
Distribution revenues
All-in-management fees		284,057			290,740			350,674
12b-1 fees		63,127			69,041			83,920
Other distribution fees		239,079			247,414			217,646
Other revenues
Shareholder servicing fees		83,802			86,661			90,225
Other		17,061			18,120			16,034
		4,048,736			4,099,287			4,405,040
Not subject to contracts with customers:
Dividend and interest income, net of interest expense		91,902			56,653			35,048
Investment gains (losses)		14,206			(102,413)			(636)
Other revenues		479			763			2,150
		106,587			(44,997)			36,562
Total net revenues		$	4,155,323		$	4,054,290		$	4,441,602