Aggregate intrinsic value price per share.

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- Definition

Expected Additional Shares To Be Issued Maximum

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- Definition

The number of performance shares for which performance criteria had been achieved.

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage of Targeted Shares Vested

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No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

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Stockholders' Equity - RSU and PSU - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Nov. 03, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax payments, for net share settlement of share based award	$ 6,886	$ 3,268
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value price per share (in dollars per share)	$ 90.70
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value price per share (in dollars per share)	$ 90.70
Unrecognized stock-based compensation expense related to non-vested stock options	$ 41,700
Weighted average period over which costs are recognized	1 year 11 months 26 days
Number of units, granted (in shares)	279
Number of units outstanding (in shares)	1,049			1,249
Shares withheld, for net share settlement of share based award (in shares)	13
Tax payments, for net share settlement of share based award	$ 1,100
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value price per share (in dollars per share)	$ 90.70
Unrecognized stock-based compensation expense related to non-vested stock options	$ 143,900
Weighted average period over which costs are recognized	4 years 9 months 25 days
Number of units, granted (in shares)	380
Performance criteria had been met (in shares)	100
Number of units outstanding (in shares)	5,779			6,033
Maximum additional shares to be issued (in shares)	200
Shares withheld, for net share settlement of share based award (in shares)	1
Tax payments, for net share settlement of share based award	$ 100
Performance Stock Units (PSUs) \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense related to non-vested stock options			$ 3,500
Minimum \| Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of targeted shares vested	0.00%
Maximum \| Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of targeted shares vested	200.00%