Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenues

Revenues for the three and nine months ended September 30, 2019 and 2018 consisted of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
	(in thousands)
Subject to contracts with customers:
Investment advisory and services fees
Base fees	$	608,765	$	568,918	$	1,746,072	$	1,699,584
Performance-based fees	7,619		41,145		23,270		82,703
Bernstein research services	102,014		103,581		298,240		324,192
Distribution revenues
All-in-management fees	77,110		62,807		207,377		193,884
12b-1 fees	20,287		22,136		60,055		66,746
Other	21,238		19,545		60,059		56,980
Other revenues
Shareholder servicing fees	20,020		19,017		57,413		57,533
Other	4,095		4,293		12,609		15,827
	861,148		841,442		2,465,095		2,497,449
Not subject to contracts with customers:
Dividend and interest income, net of interest     expense	11,904		7,467		33,439		35,204
Investment gains (losses)	4,433		565		31,117		26,860
Other revenues	382		702		1,477		3,188
	16,719		8,734		66,033		65,252
Total net revenues	$	877,867	$	850,176	$	2,531,128	$	2,562,701