Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Difference Between AB Holding's Effective Tax Rates and the UBT Statutory Tax Rate

The principal reasons for the difference between AB Holding’s effective tax rates and the UBT statutory tax rate of 4.0% are as follows:

	Years Ended December 31,
	2016					2015					2014
	(in thousands)
UBT statutory rate	$	9,576		4.0	%	$	8,403		4.0	%	$	8,037		4.0	%
Federal tax on partnership gross business income	22,342			9.3		23,845			11.4		22,131			11.0
State income taxes	461			0.2		475			0.2		332			0.2
Credit for UBT paid by AB	(9,576		)	(4.0	)	(8,403		)	(4.0	)	(8,037		)	(4.0	)
Income tax expense and effective tax rate	$	22,803		9.5		$	24,320		11.6		$	22,463		11.2

Computation of Effective Income Tax Rate and Changes in Components of Income Tax

AB Holding Units in AB’s consolidated rabbi trust are not treated as outstanding for purposes of calculating AB Holding’s ownership interest in AB.

	Years Ended December 31,									% Change
	2016			2015			2014			2016-15		2015-14
	(in thousands)
Net income attributable to AB Unitholders	$	673,358		$	579,927		$	563,861		16.1	%	2.8	%
Multiplied by: weighted average equity ownership interest	35.6		%	36.2		%	35.6		%
Equity in net income attributable to AB Unitholders	$	239,389		$	210,084		$	200,931		13.9		4.6
AB qualifying revenues	$	2,143,858		$	2,214,077		$	2,153,317		(3.2	)	2.8
Multiplied by: weighted average equity ownership interest for calculating tax	29.8		%	30.8		%	29.4		%
Multiplied by: federal tax	3.5		%	3.5		%	3.5		%
Federal income taxes	22,342			23,845			22,131
State income taxes	461			475			332
Total income taxes	$	22,803		$	24,320		$	22,463		(6.2	)	8.3