Income Taxes (Tables)

3 Months Ended

Mar. 31, 2023

Income Tax Disclosure [Abstract]

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

	Three Months Ended March 31,
	2023			2022			% Change
	(in thousands)
Net income attributable to AB Unitholders	$	194,151		$	260,727		(25.5)	%
Multiplied by: weighted average equity ownership interest	39.3		%	36.2		%
Equity in net income attributable to AB Unitholders	$	76,382		$	94,353		(19.0)
AB qualifying revenues	$	700,215		$	744,717		(6.0)
Multiplied by: weighted average equity ownership interest for calculating tax	35.7		%	31.4		%
Multiplied by: federal tax	3.5		%	3.5		%
Federal income taxes	8,749			8,186
State income taxes	196			239
Total income taxes	$	8,945		$	8,425		6.2
Effective tax rate	11.7		%	8.9		%