Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Nonvested Restricted Stock Units Activity

The following table summarizes activity related to our RSUs under the Equity Incentive Plan for the nine months ended September 30, 2019:

	Number Outstanding		Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value    (in thousands) (1)
Unvested as of January 1, 2019	1,475,682		$	34.94
Granted	1,011,623		$	27.82
Vested	(753,276	)	$	32.31
Forfeited / Canceled	(70,851	)	$	33.56
Unvested as of September 30, 2019	1,663,178		$	31.86
Expected to vest after September 30, 2019	1,506,308		$	31.90	2.7	$	47,373

Schedule of Nonvested Performance-based Units Activity

The following table summarizes activity related to our PSUs under the Equity Incentive Plan for the nine months ended September 30, 2019:

	Number Outstanding	Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value    (in thousands) (1)
Unvested as of January 1, 2019	—	$	—
Granted  (2)	136,170	$	27.69
Unvested as of September 30, 2019	136,170	$	27.69
Expected to vest after September 30, 2019	136,170	$	27.69	2.5	$	4,283

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes activity related to our stock options under the Equity Incentive Plan for the nine months ended September 30, 2019:

	Number Outstanding		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value    (in thousands) (1)
Balance as of January 1, 2019	1,051,494		$	10.15
Exercised	(605,591	)	$	9.03		$	12,085
Canceled	(8,055	)	$	18.45
Balance as of September 30, 2019	437,848		$	11.55	0.3	$	8,739
Exercisable as of September 30, 2019	437,848		$	11.55	0.3	$	8,739