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Net Income per Unit
 6 Months Ended
Jun. 30, 2023
Earnings Per Unit [Abstract]  
Net Income per Unit Net Income per Unit
Basic net income per unit is derived by reducing net income for the 1% general partnership interest and dividing the remaining 99% by the basic weighted average number of limited partnership units outstanding for each period. Diluted net income per unit is derived by reducing net income for the 1% general partnership interest and dividing the remaining 99% by the total of the diluted weighted average number of limited partnership units outstanding for each period.
 Three Months Ended June 30,Six Months Ended June 30,
 2023202220232022
(in thousands, except per unit amounts)
Net income attributable to AB Unitholders$175,737 $208,769 $369,888 $469,496 
Weighted average limited partnership units outstanding – basic285,670 270,983 285,698 271,182 
Dilutive effect of compensatory options to buy AB Holding Units— — — 2 
Weighted average limited partnership units outstanding – diluted285,670 270,983 285,698 271,184 
Basic net income per AB Unit$0.61 $0.76 $1.28 $1.71 
Diluted net income per AB Unit$0.61 $0.76 $1.28 $1.71 
There were no anti-dilutive options excluded from diluted net income in the three and six months ended June 30, 2023 or 2022.