Net Income Per Unit (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Net Income Per Unit

	Years Ended December 31
	2022			2021			2020
	(in thousands, except per unit amounts)
Net income - basic		$	274,165		$	385,843		$	279,380
Additional allocation of equity in net income attributable to AB resulting from assumed dilutive effect of compensatory options		2			30			56
Net income - diluted		$	274,167		$	385,873		$	279,436
Weighted average units outstanding - basic		101,763			99,545			96,870
Dilutive effect of compensatory options		1			11			27
Weighted average units outstanding - diluted		101,764			99,556			96,897
Basic net income per unit		$	2.69		$	3.88		$	2.88
Diluted net income per unit		$	2.69		$	3.88		$	2.88

	Years Ended December 31
	2022		2021		2020
Anti-dilutive options excluded from diluted net income		—		—		29,056