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

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- Definition

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

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- Definition

Debt Instrument, Covenant, Required Amount Outstanding

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- Definition

Debt Instrument, Exchange Agreement, Conversion, Weighted Average Price Per Share Floor

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- Definition

Debt Instrument, Exchange Agreement, Convertible, Threshold Trading Days

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- Definition

Number Of Business Days

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No definition available.

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Number Of Consecutive Trading Days

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No definition available.

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- Definition

Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

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

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Face amount or stated value per share of common stock.

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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

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

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

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

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

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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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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 cumulative amount of the reporting entity's undistributed earnings or deficit.

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Convertible Notes (Details)					3 Months Ended
Convertible Notes (Details)	Nov. 03, 2021 shares	Oct. 22, 2021 USD ($) $ / shares	Jan. 01, 2021 USD ($)	Nov. 16, 2020 USD ($) day $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Dec. 02, 2021 $ / shares	Nov. 18, 2020 USD ($)
Debt Instrument [Line Items]
Purchase of capped call options associated with convertible notes				$ 46,000,000
Prepayment of forward stock repurchase transaction				$ 55,000,000
Common stock, par value (in dollars per share) \| $ / shares					$ 0.001		$ 0.001
Additional Paid in Capital					$ (969,268,000)		$ (964,401,000)
Accumulated Deficit					$ 1,163,108,000		$ 1,106,377,000
Exercise price (in dollars per share) \| $ / shares					$ 9.00		$ 9.00	$ 9.00
Underlying common stock (in shares) \| shares				1,994,198
Shares delivered to the company (in shares) \| shares					71,174
Cumulative Effect, Period of Adoption, Adjustment
Debt Instrument [Line Items]
Additional Paid in Capital			$ 93,500,000
Accumulated Deficit			1,500,000
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					$ 280,000,000
Debt instrument, stated interest rate				4.00%
Proceeds from debt, net of issuance costs			$ 271,100,000	$ 271,100,000
Debt instrument, convertible, conversion ratio				30.2151
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares				$ 33.096
Debt instrument, redemption price, percentage				100.00%
Debt issuance costs				$ 8,900,000
Debt instrument, term				5 years
Long-term debt				$ 177,600,000	$ 258,700,000
Debt instrument, convertible, carrying amount of equity component				$ 93,500,000
Exchange Agreement, amount of principal amount converted into common stock		$ 15,000,000
Exchange Agreement, weighted average price per share floor (in dollars per share) \| $ / shares		$ 5.62
Exchange Agreement, threshold trading days		5 days
Common stock being exchanged (in shares) \| shares	1,094,848
Principal amount of convertible notes					265,000,000
Unamortized debt discount and issuance costs					6,300,000
Debt interest expense					3,000,000	$ 3,200,000
Debt fair value					$ 137,100,000		$ 140,300,000
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
Average trading-day period \| 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
Average trading-day period \| day				30
Debt instrument, redemption price, percentage				100.00%
Debt instrument, required amount outstanding				$ 125,000,000
Convertible Senior Notes Due 2025 \| Convertible Debt \| Long-term Debt
Debt Instrument [Line Items]
Debt issuance costs				5,800,000
Convertible Senior Notes Due 2025 \| Convertible Debt \| Additional Paid-In Capital
Debt Instrument [Line Items]
Debt issuance costs				$ 3,100,000