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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of Stock Option Plan Activity

The following is a summary of our stock option and restricted stock activity and related information:

			Stock Options												Restricted Stock Awards
			Shares						Weighted-Average Exercise Price						Shares						Weighted-Average Grant Date Fair Value
Balance as of December 31, 2019			1,956,379						$	77.54					147,259						$	125.11
Granted			480,250						$	90.08					104,306						$	89.58
Options exercised/RSUs vested			(113,107)						$	23.91					(50,053)						$	122.16
Forfeited			(10,200)						$	72.01					—						$	—
Balance as of September 30, 2020			2,313,322						$	82.79					201,512						$	107.45

Schedule of Restricted Stock Activity

The following is a summary of our stock option and restricted stock activity and related information:

			Stock Options												Restricted Stock Awards
			Shares						Weighted-Average Exercise Price						Shares						Weighted-Average Grant Date Fair Value
Balance as of December 31, 2019			1,956,379						$	77.54					147,259						$	125.11
Granted			480,250						$	90.08					104,306						$	89.58
Options exercised/RSUs vested			(113,107)						$	23.91					(50,053)						$	122.16
Forfeited			(10,200)						$	72.01					—						$	—
Balance as of September 30, 2020			2,313,322						$	82.79					201,512						$	107.45

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- References

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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
-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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