Debt Instrument, Convertible, Measurement Period

No definition available.

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- Definition

Debt Instrument, Convertible, Threshold Consecutive Trading Days, Sale Price Per Share

+ References

No definition available.

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- Definition

Debt Instrument, Effective Interest Rate Percentage

+ References

No definition available.

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- Definition

Debt Instrument, Prepayment Premium

+ References

No definition available.

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- Definition

Debt Instrument, Principal Amount Of The Lenders' Commitments, Maximum

+ References

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- Definition

Debt Instrument, Threshold Percentage of Sales Price Per Share

+ References

No definition available.

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- Definition

Amount of deferred government grant obligations due beyond one year or the operating cycle, whichever is longer.

+ References

No definition available.

+ Details

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- Definition

Represents the number of government grants.

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No definition available.

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- Definition

Option Indexed To Issuer's Equity, Cap Price

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No definition available.

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- Definition

The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized.

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No definition available.

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- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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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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- Definition

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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

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

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- Definition

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

+ References

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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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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

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- Definition

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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- Definition

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

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- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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- Definition

Fair value of the amount outstanding under the credit facility.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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No definition available.

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- Definition

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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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt - Additional Information (Details)			3 Months Ended			9 Months Ended
Debt - Additional Information (Details)	Jun. 25, 2020 USD ($)	Apr. 23, 2020 USD ($) day $ / shares	Sep. 30, 2020 USD ($) agreement	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) agreement	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	May 22, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from debt						$ 371,681,000	$ 243,726,000
Purchases of capped calls in connection with convertible senior notes				$ 50,540,000
Loss on debt extinguishment		$ 11,700,000	$ 0		$ 0	11,671,000	$ 0
Deferred financing costs			$ 116,352,000			$ 116,352,000		$ 7,238,000
Number of contracts (in contracts) \| agreement			2			2
Deferred government grant obligations			$ 3,500,000			$ 3,500,000
Prince George's County, Maryland
Debt Instrument [Line Items]
Interest rate			3.00%			3.00%
Deferred government grant obligations
Debt Instrument [Line Items]
Interest payable			$ 400,000			$ 400,000		$ 300,000
Convertible senior notes
Debt Instrument [Line Items]
Fair value			547,200,000			547,200,000
The Notes \| Convertible senior notes
Debt Instrument [Line Items]
Aggregate principal amount		380,000,000
Proceeds from debt		$ 369,600,000
Interest rate		2.25%
Debt issuance costs			$ 7,300,000			$ 12,300,000
Debt instrument, effective interest rate percentage			11.20%			10.80%
Debt instrument, convertible, carrying Amount		$ 117,800,000
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, convertible, threshold consecutive trading days, sale price per share \| day		5
Debt instrument, convertible, measurement period \| day		10
Debt instrument, threshold percentage of sales price per share		98.00%
Debt instrument, convertible, conversion ratio		0.0353773
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares		$ 28.27
Capped call, cap price (in dollars per share) \| $ / shares		$ 44.34
Purchases of capped calls in connection with convertible senior notes		$ 50,500,000
The Notes \| Convertible senior notes \| Measurement Input, Discount Rate
Debt Instrument [Line Items]
Debt instrument, discount rate		0.103
Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Aggregate principal amount									$ 250,000,000
Maximum borrowing capacity	$ 50,000,000		$ 50,000,000.0			$ 50,000,000.0
Debt instrument, principal amount of the lenders' commitments, maximum	$ 100,000,000
Outstanding amount under credit agreement			$ 0			$ 0
Repayments of Debt		$ 250,000,000
Interest payable		1,300,000
Deferred financing costs		9,200,000
Prepayment premium		$ 2,500,000
Credit Agreement \| Letter of Credit \| LIBOR
Debt Instrument [Line Items]
Variable rate, applicable margin	3.75%
Credit Agreement \| Letter of Credit \| LIBOR \| Minimum
Debt Instrument [Line Items]
Variable rate, applicable margin	0.00%
Credit Agreement \| Letter of Credit \| Base rate
Debt Instrument [Line Items]
Variable rate, applicable margin	2.75%