Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenues

Revenues for the three months ended March 31, 2018 and 2017 consisted of the following:

	Three Months Ended March 31,
	2018		2017
	(in thousands)
Subject to contracts with customers:
Investment advisory and services fees
Base fees	$	567,338	$	492,176
Performance-based fees	6,260		6,114
Bernstein research services	114,400		112,741
Distribution revenues
All-in-management fees	66,748		54,519
12b-1 fees	22,534		24,789
Other	18,722		17,246
Other revenues
Shareholder servicing fees	19,530		17,964
Other	5,628		3,952
	821,160		729,501
Not subject to contracts with customers:
Dividend and interest income, net of interest expense	18,675		9,766
Investment gains (losses)	26,082		25,201
Other revenues	1,870		449
	46,627		35,416
Total net revenues	$	867,787	$	764,917