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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020:

		Number of Shares				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2019			17,427,228			$	28.69
Granted			1,937,006			$	43.78
Exercised			(2,571,633	)		$	28.71
Cancelled/forfeited			(350,607	)		$	31.75
Outstanding at December 31, 2020			16,441,994			$	30.40				6.8			$	379,233
Vested at December 31, 2020			9,691,855			$	29.71				6.0			$	230,156
Unvested at December 31, 2020			6,750,139			$	31.38				8.0			$	149,078
Exercisable at December 31, 2020			9,691,855			$	29.71				6.0			$	230,156

Summary of Company's RSU Activity

The following table summarizes the Company’s restricted stock activity during the year ended December 31, 2020:

		Number of Shares				Weighted Average Grant Date Fair Value				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2019			1,445,163			$	24.50
Granted			1,079,727			$	44.03
Vested			(255,953	)		$	23.83
Cancelled/forfeited			(61,690	)		$	35.95
Outstanding at December 31, 2020			2,207,247			$	33.81			$	117,999

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- References

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- Definition

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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