Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share Basic And Diluted

The following table sets forth the computation of basic and diluted net income (loss) per share attributable to common stock (in thousands, except per share amounts): 

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Numerator:
Net income (loss)	$	(40,602)	$	147,142	$	1,477,529	$	218,990
Denominator:
Weighted average common shares outstanding, basic	78,769		79,943		78,681		79,901
Dilutive effect of potential common stock	—		647		335		764
Total shares, diluted	78,769		80,590		79,016		80,665
Net income (loss) per share, basic	$	(0.52)	$	1.84	$	18.78	$	2.74
Net income (loss) per share, diluted	$	(0.52)	$	1.83	$	18.70	$	2.71
Anti-dilutive potential common shares 1	733		139		231		111