Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

A summary of the stock option activity is presented below (in thousands, except per share amounts):

	Options Outstanding
	Number of Shares Subject to Options			Weighted Average Exercise Price Per Share
Balance at December 31, 2019		605		$	26.68
Options granted		—			—
Options exercised		—			—
Options canceled / forfeited / expired		(17	)	$	22.05
Balance at March 31, 2020		588		$	26.77

Summary of Restricted Stock Awards and Units

Information with respect to outstanding restricted stock awards and units as of March 31, 2020 is as follows (in thousands, except per share amounts):

	Restricted Stock and Restricted Stock Units
	Number of Shares Subject to Time- based Vesting			Number of Shares Subject to Performance- based Vesting			Total Number of Shares			Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2019		2,371			554			2,925		$	25.99
Awards and units granted		1,007			—			1,007		$	10.75
Awards and units vested / earned		(754	)		(104	)		(858	)	$	27.57
Awards and units canceled / forfeited		(11	)		(134	)		(145	)	$	30.26
Balance at March 31, 2020		2,613			316			2,929		$	20.07