Debt Instrument, Convertible, Conversion Rate Basis, Principal Amount

No definition available.

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

+ References

No definition available.

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- Details

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Convertible Senior Notes, Net - Summary of Note Terms (Details) - Convertible Debt [Member]		3 Months Ended	12 Months Ended
	Oct. 05, 2018 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Principal Amount		$ 575,000,000
Conversion rate basis, principal amount		$ 1,000
2022 Notes [Member]
Debt Instrument [Line Items]
Principal Amount			$ 345,000,000
Coupon Rate			4.75%
Effective Rate			5.60%
Conversion Rate		0.0502260
Remaining Period of Amortization			3 years 4 months 24 days
2023 Notes [Member]
Debt Instrument [Line Items]
Principal Amount	$ 230,000,000
Coupon Rate	5.375%
Effective Rate	6.16%
Conversion Rate		0.0487187
Remaining Period of Amortization	4 years 6 months 18 days