Income Taxes (Tables)

3 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

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

	Three Months Ended March 31,
	2022			2021			% Change
	(in thousands)
Net income attributable to AB Unitholders	$	260,727		$	244,131		6.8	%
Multiplied by: weighted average equity ownership interest	36.2		%	36.4		%
Equity in net income attributable to AB Unitholders	$	94,353		$	88,907		6.1
AB qualifying revenues	$	744,717		$	706,392		5.4
Multiplied by: weighted average equity ownership interest for calculating tax	31.4		%	30.6		%
Multiplied by: federal tax	3.5		%	3.5		%
Federal income taxes	8,186			7,572
State income taxes	239			248
Total income taxes	$	8,425		$	7,820		7.7
Effective tax rate	8.9		%	8.8		%