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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Summary of Company's Stock Option Activity

The following table summarizes the Company’s stock option activity during the year ended December 31, 2019:

		Number of Shares				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2018			19,868,781			$	28.04
Granted			3,502,129			$	28.22
Exercised			(3,880,757	)		$	24.73
Cancelled/forfeited			(2,062,925	)		$	29.10
Outstanding at December 31, 2019			17,427,228			$	28.69				7.5			$	247,336
Vested at December 31, 2019			8,622,679			$	30.18				6.5			$	109,605
Unvested at December 31, 2019			8,804,549			$	27.23				8.5			$	137,731
Exercisable at December 31, 2019			8,622,679			$	30.18				6.5			$	109,605

Summary of Company's RSU Activity

The following table summarizes the Company’s RSU activity during the year ended December 31, 2019:

		Number of Shares				Weighted Average Grant Date Fair Value				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2018			373,706			$	21.07
Granted			1,287,453			$	25.22
Vested			(84,409	)		$	21.05
Cancelled/forfeited			(131,587	)		$	23.97
Outstanding at December 31, 2019			1,445,163			$	24.50			$	61,824

The weighted average per share fair value of RSUs granted during the years ended December 31, 2018 was approximately $21.07. As of December 31, 2019, total unrecognized compensation cost related to restricted stock options was approximately $22.7 million, and the weighted average period over which this cost is expected to be recognized is approximately 3.8 years.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Name Accounting Standards Codification
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