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Stockholders' Equity - Securities Repurchase Program (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount			$ 500,000,000.0
Repayments of convertible senior notes	$ 189,849,000	$ 0
Remaining under repurchase program	165,500,000
0.25% Convertible Senior Notes Due 2023 | Senior Notes
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repayments of convertible senior notes	$ 4,700,000

X

- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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- Definition

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+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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