Income Taxes (Tables)

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

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

	Three Months Ended March 31,
	2024			2023			% Change
	(in thousands)
Net income attributable to AB Unitholders	$	217,927		$	194,151		12.2	%
Multiplied by: weighted average equity ownership interest	39.6		%	39.3		%
Equity in net income attributable to AB Unitholders	$	86,281		$	76,382		13.0
AB qualifying revenues	$	695,980		$	700,215		(0.6)
Multiplied by: weighted average equity ownership interest for calculating tax	36.3		%	35.7		%
Multiplied by: federal tax	3.5		%	3.5		%
Federal income taxes	8,836			8,749
State income taxes	223			196
Total income taxes	$	9,059		$	8,945		1.3	%
Effective tax rate	10.5		%	11.7		%