Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights, Premium Percentage

No definition available.

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- Definition

Debt Instrument, Additional Amount

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No definition available.

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- Definition

Debt Instrument, Convertible, Threshold Percentage Of Last Reported Sale Price

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Required Amount Outstanding

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No definition available.

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- Definition

Number Of Business Days

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- Definition

Number Of Consecutive Trading Days

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No definition available.

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- Definition

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

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- Definition

Face amount or stated value per share of common stock.

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- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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- Definition

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

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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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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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No definition available.

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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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No definition available.

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- Definition

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

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

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

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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.

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No definition available.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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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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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Convertible Notes (Details)			12 Months Ended
Convertible Notes (Details)	Nov. 18, 2020 USD ($)	Nov. 16, 2020 USD ($) day $ / shares shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of convertible notes			$ 280,000,000	$ 0	$ 0
Purchase of capped call options associated with convertible notes		$ 46,000,000.0	46,004,000	0	0
Prepayment of forward stock repurchase transaction		$ 55,000,000.0	$ 55,000,000	$ 0	$ 0
Common stock, par value (in dollars per share) \| $ / shares			$ 0.001	$ 0.001
Underlying common stock \| shares		1,994,198
Capped Call \| Common stock
Debt Instrument [Line Items]
Exercise price (in dollars per share) \| $ / shares		$ 55.16
Class of warrant or right, premium percentage		100.00%
Convertible Senior Notes Due 2025 \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 280,000,000.0	$ 250,000,000.0
Debt instrument, stated interest rate		4.00%
Proceeds from issuance of convertible notes			$ 280,000,000.0
Debt instrument, additional principal amount		$ 30,000,000.0
Proceeds from debt, net of issuance costs	$ 29,100,000	$ 242,000,000.0	271,100,000
Debt instrument, convertible, conversion ratio		30.2151
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares		$ 33.096
Net carrying amount of the debt component		$ 177,600,000
Debt instrument, convertible, carrying amount of equity component		93,500,000
Debt issuance costs gross		$ 8,900,000
Debt instrument, term		5 years
Debt instrument, effective interest rate		14.55%
Debt instrument, redemption price, percentage		100.00%
Debt interest expense			3,100,000
Debt Instrument, Fair Value Disclosure			$ 283,400,000
Convertible Senior Notes Due 2025 \| Convertible Debt \| Period One
Debt Instrument [Line Items]
Common stock, par value (in dollars per share) \| $ / shares		$ 0.001
Debt instrument, convertible, threshold percentage of stock price trigger		130.00%
Debt instrument, convertible, threshold trading days \| day		20
Debt instrument, convertible, threshold consecutive trading days \| day		30
Number of business days \| day		5
Number of consecutive trading days \| day		5
Debt instrument, convertible, threshold percentage of last reported sale price		98.00%
Convertible Senior Notes Due 2025 \| Convertible Debt \| Period Two
Debt Instrument [Line Items]
Debt instrument, convertible, threshold percentage of stock price trigger		130.00%
Debt instrument, convertible, threshold trading days \| day		20
Debt instrument, convertible, threshold consecutive trading days \| day		30
Debt instrument, redemption price, percentage		100.00%
Debt instrument, required amount outstanding		$ 125,000,000.0
Convertible Senior Notes Due 2025 \| Convertible Debt \| Long-term Debt
Debt Instrument [Line Items]
Debt issuance costs gross		5,800,000
Convertible Senior Notes Due 2025 \| Convertible Debt \| Additional Paid-In Capital
Debt Instrument [Line Items]
Debt issuance costs gross		$ 3,100,000