The amounts used to compute basic and diluted earnings per share attributable to common stock consisted of the following (in thousands):


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2024		2023		2024		2023
Amounts attributable to common stock:
Net income attributable to common stock	$	188,159	$	165,899	$	306,519	$	260,945

Weighted average shares:
Weighted average shares outstanding for basic earnings per share attributable to common stock	146,580		145,422		146,258		144,947
Effect of dilutive unvested non-participating stock-based awards	3,208		3,351		3,329		3,770
Weighted average shares outstanding for diluted earnings per share attributable to common stock	149,788		148,773		149,587		148,717