Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Investment advisory and services fees	$ 515,924	$ 492,348	$ 1,009,912	$ 947,232
Bernstein research services	121,910	118,973	247,956	241,982
Distribution revenues	111,850	110,342	221,034	216,528
Dividend and interest income	5,667	4,678	10,761	8,779
Investment gains (losses)	11,993	828	15,881	1,387
Other revenues	26,023	27,093	51,013	53,773
Total revenues	793,367	754,262	1,556,557	1,469,681
Less: Interest expense	630	614	1,249	1,415
Net revenues	792,737	753,648	1,555,308	1,468,266
Expenses:
Employee compensation and benefits	337,640	327,472	663,967	634,505
Promotion and servicing:
Distribution-related payments	102,578	101,968	202,964	200,610
Amortization of deferred sales commissions	12,713	9,326	25,112	18,283
Other	59,182	58,936	114,719	112,581
General and administrative:
General and administrative	108,092	105,913	215,425	213,400
Real estate (credits) charges	(80)	(505)	(463)	1,437
Contingent payment arrangements	442	320	885	641
Interest on borrowings	736	768	1,590	1,549
Amortization of intangible assets	6,512	6,010	12,973	11,917
Total expenses	627,815	610,208	1,237,172	1,194,923
Operating income	164,922	143,440	318,136	273,343
Income taxes	9,153	7,008	19,623	18,373
Net income	155,769	136,432	298,513	254,970
Net income (loss) of consolidated entities attributable to non-controlling interests	6,675	(3)	7,950	1,810
Net income attributable to AB Unitholders	$ 149,094	$ 136,435	$ 290,563	$ 253,160
Net income per AB Unit:
Basic (in dollars per share)	$ 0.54	$ 0.50	$ 1.05	$ 0.93
Diluted (in dollars per share)	$ 0.54	$ 0.50	$ 1.05	$ 0.93