Debt - Schedule of Convertible Senior Notes (Details) - 2026 Notes - Convertible Debt	Jun. 01, 2019 USD ($) $ / shares	Jun. 30, 2019 USD ($)
Debt Instrument [Line Items]
Principal \| $	$ 303,995,000	$ 316,300,000
Interest Rate per Annum	0.75%
Conversion rate of common stock	0.0112851
Initial conversion price (usd per share) \| $ / shares	$ 88.61

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.

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+ Details