Stockholders' Equity - Summary of RSU and PSU Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($) $ / shares shares
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Units outstanding, beginning of year (in shares) \| shares	1,107
Number of Units, Granted (in shares) \| shares	205
Number of Units, Released (in shares) \| shares	(348)
Number of Units, Forfeited (in shares) \| shares	(108)
Number of Units outstanding, end of period (in shares) \| shares	856
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Units outstanding, beginning of year (in dollars per share) \| $ / shares	$ 76.10
Weighted Average Grant Date Fair Value, Granted (in dollars per share) \| $ / shares	166.29
Weighted Average Grant Date Fair Value, Released (in dollars per share) \| $ / shares	55.16
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) \| $ / shares	96.25
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) \| $ / shares	$ 103.70
Aggregate intrinsic value at end of period \| $	$ 149,875
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Units outstanding, beginning of year (in shares) \| shares	5,618
Number of Units, Granted (in shares) \| shares	236
Number of Units, Released (in shares) \| shares	(3,896)
Number of Units, Forfeited (in shares) \| shares	(77)
Number of Units outstanding, end of period (in shares) \| shares	1,881
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Units outstanding, beginning of year (in dollars per share) \| $ / shares	$ 35.71
Weighted Average Grant Date Fair Value, Granted (in dollars per share) \| $ / shares	54.16
Weighted Average Grant Date Fair Value, Released (in dollars per share) \| $ / shares	36.50
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) \| $ / shares	38.46
Weighted Average Grant Date Fair Value, Units outstanding, end of period (in dollars per share) \| $ / shares	$ 36.29
Aggregate intrinsic value at end of period \| $	$ 329,211

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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