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Equity - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock	$ (29,449,000)	$ 0	$ (48,923,000)	$ (200,000,000)
2018 and 2020 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount remaining under stock repurchase programs	$ 489,600,000		$ 489,600,000

X

- 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.

+ References

No definition available.

+ Details

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X

- Definition

The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

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X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Details

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