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Share-Based Compensation - Schedule of Performance Stock Units Activity (Details) - Performance Stock Units shares in Thousands	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Shares
Restricted stock units outstanding beginning of period (in shares)	361
Awards granted (in shares)	109
Awards released (in shares)	(100)
Awards forfeited (in shares)	0
Restricted stock units outstanding ending of period (in shares)	370
Weighted Average Grant Date Fair Value
Restricted stock units outstanding beginning of period (in dollars per share) | $ / shares	$ 60.67
Performance stock units granted (in dollars per share) | $ / shares	130.58
Performance stock units released (in dollars per share) | $ / shares	37.48
Restricted stock units outstanding ending of period (in dollars per share) | $ / shares	$ 87.50

X

- Definition

The number of equity-based payment instruments, excluding stock options, that released during the reporting period.

+ References

No definition available.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock 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.

+ References

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- Definition

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

+ 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)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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).

+ References

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

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- Definition

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).

+ References

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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.

+ References

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-Paragraph 2
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- Definition

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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- Definition

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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