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- Definition

Payments for Interest on Convertible Debt

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Payments for Repurchase of Convertible Debt

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No definition available.

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Exercise price per share or per unit of warrants or rights outstanding.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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No definition available.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

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

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

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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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Amount of unamortized debt discount (premium) and debt issuance costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maturity date of long-term debt, in CCYY-MM-DD format.

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The cash outflow to reacquire common stock during the period.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Long-term Debt - Convertible Senior Notes (Additional Notes) (Details) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended		12 Months Ended
	Aug. 14, 2020 USD ($) $ / shares	Sep. 11, 2018 USD ($) $ / shares	Dec. 31, 2020 USD ($)	Aug. 31, 2020 USD ($)	Mar. 31, 2021 USD ($) day $ / shares Rate	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Share price at closing (in dollars per share) \| $ / shares					$ 58.72
2023 Notes \| Warrants related to the issuance of convertible senior notes
Debt Instrument [Line Items]
Initial conversion price (in dollars per share) \| $ / shares		$ 46.62
Warrant exercise price (in dollars per share) \| $ / shares					46.62
2025 Notes \| Warrants related to the issuance of convertible senior notes
Debt Instrument [Line Items]
Warrant exercise price (in dollars per share) \| $ / shares					$ 81.05
Convertible debt \| Conversion Circumstance One
Debt Instrument [Line Items]
Conversion rate of the notes on trading day (as percent)					130.00%
Threshold trading days (whether or not consecutive) \| day					20
Consecutive trading day period (in days) \| day					30
Convertible debt \| Conversion Circumstance Two
Debt Instrument [Line Items]
Conversion rate of the notes on trading day (as percent) \| Rate					98.00%
Threshold trading days (whether or not consecutive) \| day					5
Consecutive trading day period (in days) \| day					10
Convertible debt \| 2023 Notes
Debt Instrument [Line Items]
Aggregated principal amount		$ 143,800
Interest rate stated, percentage		2.375%
Initial purchasers' discount and issuance costs		$ 4,400	$ (2,400)			$ (2,400)	$ (2,400)
Proceeds from debt, net of issuance costs		$ 139,400
Payments for repurchase of 2023 convertible notes			9,700	$ 172,000
Shares conversion rate		26.5957
Initial conversion price (in dollars per share) \| $ / shares		$ 37.60
Maturity date					Sep. 15, 2023
Principal			5,090		$ 5,090	5,090	5,090
Payment of interest						1,300
Loss on extinguishment of debt							4,500
Convertible debt \| 2025 Notes
Debt Instrument [Line Items]
Aggregated principal amount	$ 230,000
Interest rate stated, percentage	1.25%
Initial purchasers' discount and issuance costs	$ 7,300
Proceeds from debt, net of issuance costs	222,700
Payments for repurchase of 2023 convertible notes	172,000
Cost of entering into hedges, net of warrants	26,700
Payments for working capital or other general corporate purposes	$ 24,000
Shares conversion rate	19.3538
Initial conversion price (in dollars per share) \| $ / shares	$ 51.67
Maturity date					Aug. 01, 2025
Principal			$ 230,000		$ 230,000	230,000	$ 230,000
Convertible debt, liability component \| 2023 Notes
Debt Instrument [Line Items]
Payments for repurchase of 2023 convertible notes						127,700
Convertible debt, equity component \| 2023 Notes
Debt Instrument [Line Items]
Payments for repurchase of 2023 convertible notes						$ 52,700