Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Net Revenues From Investment Management, Research and Related Services

Net revenues derived from our investment management, research and related services were as follows:

	Years Ended December 31,
	2017		2016		2015
	(in thousands)
Institutions	$	476,235	$	422,060	$	435,205
Retail	1,423,891		1,261,907		1,362,541
Private Wealth Management	787,362		711,599		689,853
Bernstein Research Services	449,919		479,875		493,463
Other	186,279		162,461		42,986
Total revenues	3,323,686		3,037,902		3,024,048
Less: Interest expense	25,165		9,123		3,321
Net revenues	$	3,298,521	$	3,028,779	$	3,020,727

Net Revenues and Long-Lived Assets, Related to Geographic Areas

Net revenues and long-lived assets, related to our U.S. and international operations, as of and for the years ended December 31, were as follows:

	2017		2016		2015
	(in thousands)
Net revenues:
United States	$	1,958,844	$	1,901,571	$	1,829,518
International	1,339,677		1,127,208		1,191,209
Total	$	3,298,521	$	3,028,779	$	3,020,727
Long-lived assets:
United States	$	3,313,958	$	3,388,221
International	46,221		36,539
Total	$	3,360,179	$	3,424,760