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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

RSU activity for the three months ended March 31, 2020 is as follows (in thousands, except for weighted-average grant date fair value):

	Number of RSUs			Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2019		943		$	24.68
Granted		3,167			5.40
Vested and delivered		(220	)		24.80
Forfeited		(87	)		22.82
Outstanding as of March 31, 2020 ⁽¹⁾		3,803			8.66

(1)

The outstanding balance as of March 31, 2020 includes 80 RSUs that were vested, but not yet delivered.

Summary of PSU Activity

PSU activity for the three months ended March 31, 2020 is as follows (in thousands, except for weighted-average grant date fair value):

	Number of PSUs			Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2019		953		$	26.60
Granted⁽¹⁾		715			5.40
Vested and delivered		—			—
Forfeited or cancelled ⁽¹⁾		(775	)		27.13
Outstanding as of March 31, 2020		893			8.78

(1)

Included in "Forfeited or cancelled" are 558 shares that were cancelled and replaced by new grants during the three months ended March 31, 2020.

Summary of Stock Option Activity

Stock option activity for the three months ended March 31, 2020 is as follows (in thousands, except for weighted-average grant date fair value):

	Number of Options		Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2019		—	$	—
Granted		513		2.80
Vested and delivered		—		—
Forfeited		—		—
Outstanding as of March 31, 2020		513		2.80

Summary of Fair Value of Stock Options Granted are Estimated Using Black Scholes Option Pricing Model

The fair value of the stock options granted during the three months ended March 31, 2020 are estimated on the grant date using the Black-Scholes option pricing model, using the following assumptions:

Risk-free interest rate		1.01	%
Weighted-average volatility		53.08	%
Dividend yield		0	%
Expected years until exercise	6.5