Convertible notes eligible for conversion.

No definition available.

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- Definition

Debt instrument, cap call transaction cap price, net cost.

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Debt instrument, cap call transaction cap price, per share.

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- Definition

Debt instrument convertible principal amount used in conversion rate.

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No definition available.

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Debt instrument convertible threshold business day.

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- Definition

Debt instrument indenture date.

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- Definition

Debt issuance costs allocated to equity component.

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No definition available.

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Debt issuance costs allocated to liability components.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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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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

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- Definition

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

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- Definition

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

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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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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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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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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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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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Convertible Notes - Additional Information (Details)	1 Months Ended		3 Months Ended	6 Months Ended
Convertible Notes - Additional Information (Details)	Apr. 30, 2020 USD ($) d $ / shares shares	Aug. 31, 2019 USD ($) d $ / shares shares	Jun. 30, 2020 USD ($) $ / shares	Jun. 30, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of convertible notes, net of issuance costs			$ 988,582,000	$ 988,582,000
Amortization of debt discount and issuance costs			20,412,000	31,975,000
Convertible notes eligible for conversion			0	0
2025 Notes
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 1,000,000,000.0		1,000,000,000	$ 1,000,000,000
Indenture date	Apr. 28, 2020
Proceeds from issuance of convertible notes, net of issuance costs	$ 888,600,000
Interest payment beginning date	Nov. 01, 2020
Debt instrument, interest rate	0.25%
Debt instrument, interest rate terms				Interest is payable in cash semi-annually in arrears beginning on November 1, 2020 at a rate of 0.25% per year.
Debt instrument, maturity date	May 01, 2025
Debt instrument, redemption price percentage	100.00%
Carrying amount of equity component	$ 289,900,000		286,589,000	$ 286,589,000
Effective interest rate	7.39%
Debt issuance costs allocated to equity component	$ 3,300,000
Debt issuance costs allocated to liability component	$ 8,100,000
Debt instrument convertible, amortization period				4 years 9 months 18 days
If-converted value exceeding principal amount				$ 83,400,000
Cap price, net cost			$ 100,000,000.0	$ 100,000,000.0
2025 Notes \| Class A Non-voting Common Stock
Debt Instrument [Line Items]
Shares issued upon conversion of each $1000 principal amount \| shares	46.1233
Debt instrument, convertible principal amount used in conversion rate	$ 1,000
Conversion price per share \| $ / shares	$ 21.68
Debt instrument convertible, percentage of conversion price	130.00%
Debt instrument convertible, number of trading days \| d	20
Debt instrument, redemption price percentage	100.00%
Cap price, per share \| $ / shares			$ 32,120,000	$ 32,120,000
2025 Notes \| Class A Non-voting Common Stock \| Scenario One
Debt Instrument [Line Items]
Debt instrument convertible, percentage of conversion price	130.00%
Debt instrument convertible, number of trading days \| d	20
Debt instrument convertible, number of consecutive trading days \| d	30
2025 Notes \| Class A Non-voting Common Stock \| Scenario Two
Debt Instrument [Line Items]
Debt instrument, convertible principal amount used in conversion rate		$ 1,000
Debt instrument convertible, number of consecutive trading days \| d		10
Debt instrument, convertible, threshold business days		5 days
2025 Notes \| Class A Non-voting Common Stock \| Scenario Two \| Maximum
Debt Instrument [Line Items]
Debt instrument convertible, percentage of conversion price		98.00%
2026 Notes
Debt Instrument [Line Items]
Debt instrument, principal amount		$ 1,265,000,000	$ 1,265,000,000	$ 1,265,000,000	$ 1,265,000,000
Proceeds from issuance of convertible notes, net of issuance costs		$ 1,150,000,000
Interest payment beginning date		Feb. 01, 2020
Debt instrument, interest rate		0.75%
Debt instrument, interest rate terms				Interest is payable in cash semi-annually in arrears beginning on February 1, 2020 at a rate of 0.75% per year.
Debt instrument, maturity date		Aug. 01, 2026
Carrying amount of equity component			377,432,000	$ 377,432,000	$ 377,432,000
Debt instrument convertible, amortization period				6 years 1 month 6 days
Amortization of debt discount and issuance costs			20,400,000	$ 32,000,000.0
Contractual interest expense			2,800,000	5,200,000
If-converted value exceeding principal amount				37,900,000
Cap price, net cost			$ 102,100,000	$ 102,100,000
2026 Notes \| Class A Non-voting Common Stock
Debt Instrument [Line Items]
Shares issued upon conversion of each $1000 principal amount \| shares		43.8481
Debt instrument, convertible principal amount used in conversion rate		$ 1,000
Conversion price per share \| $ / shares		$ 22.81
Cap price, per share \| $ / shares			$ 32,580,000	$ 32,580,000
Initial Placement \| 2025 Notes
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 850,000,000.0
Over-Allotment Option \| 2025 Notes
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 150,000,000.0