Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Computation of earnings per share and reconciliation of basic and diluted weighted average common shares outstanding

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Net income	$	307,283	$	259,695	$	486,544	$	358,350
Amounts allocated to participating securities	(1,680)		—		(2,762)		—
Net income attributable to common stockholders	$	305,603	$	259,695	$	483,782	$	358,350
Weighted average common shares outstanding:
Basic	39,660		40,125		39,795		40,169
Effect of dilutive securities:
Stock options and employee stock purchase plan	404		620		436		631
Diluted	40,064		40,745		40,231		40,800
Earnings per share attributable to common stockholders:
Basic	$	7.71	$	6.47	$	12.16	$	8.92
Diluted	$	7.63	$	6.37	$	12.03	$	8.78
Anti-dilutive stock options excluded from diluted earnings per share computations (1)	33		—		1		—