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Long-term Debt - Additional Information (Detail)			1 Months Ended		3 Months Ended	6 Months Ended
Long-term Debt - Additional Information (Detail)	Jun. 15, 2024	Jun. 14, 2021 USD ($)	Feb. 28, 2021 USD ($) d $ / shares	Dec. 31, 2020 USD ($) d $ / shares	Jun. 30, 2021 USD ($) d	Jun. 30, 2021 USD ($) shares
Senior Secured Notes Due Twenty Twenty Eight
Debt Instrument [Line Items]
Aggregate principal amount		$ 500,000,000.0
Interest rate, fixed percentage		6.125%
Periodic payment description						The 2028 Secured Notes bear interest at a fixed rate of 6.125% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on December 15, 2021.
Proceeds from debt		$ 487,200,000
Percentage of equity interest as pledge		65.00%
Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Aggregate principal amount				$ 650,000,000.0
Interest rate, fixed percentage				0.75%
Periodic payment description				The 2025 Convertible Notes are senior unsecured obligations of the Company and bear interest at a fixed rate of 0.750% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on June 15, 2021.
Payment start date				Jun. 15, 2021
Debt instrument, maturity date				Dec. 15, 2025		Nov. 16, 2026
Proceeds from debt				$ 634,700,000
Customary offering expense				$ 15,300,000
Effective interest rate percentage				1.23%
Convertible Senior Notes due 2025 \| Fundamental Change
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed				100.00%
Convertible Senior Notes due 2025 \| Events of Default
Debt Instrument [Line Items]
Percentage of principal accrued and unpaid interest				100.00%
Convertible Senior Notes due 2025 \| Minimum \| Events of Default
Debt Instrument [Line Items]
Minimum percentage principal amount of holders required to declare the principal of, and accrued and unpaid interest, on Notes is due and payable upon an event of default				25.00%
Convertible Senior Notes due 2025 \| Class A
Debt Instrument [Line Items]
Initial conversion rate				2.5126
Price per share \| $ / shares				$ 1,000
Initial conversion price \| $ / shares				$ 397.99
Number of shares convertible from notes \| shares						1,633,190
Convertible Senior Notes due 2025 \| Class A \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Debt instrument, convertible, trading days \| d				5
Debt instrument, convertible, consecutive trading days \| d				5
Trading price per share \| $ / shares				$ 1,000
Convertible Senior Notes due 2025 \| Class A \| Redeemable by Company after December 20, 2023
Debt Instrument [Line Items]
Debt instrument, convertible, earliest date				Dec. 20, 2023
Debt instrument, convertible, trading days \| d				20
Debt instrument, convertible, consecutive trading days \| d				30
Debt instrument, redemption price, percentage of principal amount redeemed				100.00%
Convertible Senior Notes due 2025 \| Class A \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Debt instrument, convertible, earliest date				Apr. 01, 2021
Debt instrument, convertible, trading days \| d				20	20
Debt instrument, convertible, consecutive trading days \| d				30	30
Convertible Senior Notes due 2025 \| Class A \| Minimum
Debt Instrument [Line Items]
Conversion price percentage applicable trading days					130.00%
Convertible Senior Notes due 2025 \| Class A \| Minimum \| Redeemable by Company after December 20, 2023
Debt Instrument [Line Items]
Conversion price percentage applicable trading days				130.00%
Convertible Senior Notes due 2025 \| Class A \| Minimum \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Conversion price percentage applicable trading days				130.00%
Convertible Senior Notes due 2025 \| Class A \| Maximum [Member] \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Conversion price percentage applicable trading days				98.00%
Convertible Senior Notes due 2027
Debt Instrument [Line Items]
Aggregate principal amount			$ 1,050,000,000.000
Interest rate, fixed percentage			0.00%
Periodic payment description			The 2027 Convertible Notes are senior unsecured obligations of the Company and do not bear regular interest. However, holders of the 2027 Convertible Notes may receive special interest under specified circumstances as outlined in the indenture relating to the issuance of the 2027 Convertible Notes (the “2027 Convertible Notes Indenture”). Any special interest is payable semiannually in arrears on February 15 and August 15 of each year, beginning on August 15, 2021
Payment start date			Aug. 15, 2021
Debt instrument, maturity date			Feb. 15, 2027
Proceeds from debt						$ 1,026,000,000.000
Customary offering expense					$ 24,200,000	$ 24,200,000
Effective interest rate percentage					0.39%	0.39%
Convertible Senior Notes due 2027 \| Fundamental Change
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed			100.00%
Convertible Senior Notes due 2027 \| Events of Default
Debt Instrument [Line Items]
Percentage of principal accrued and unpaid interest			100.00%
Convertible Senior Notes due 2027 \| Minimum
Debt Instrument [Line Items]
Conversion price percentage applicable trading days			130.00%
Convertible Senior Notes due 2027 \| Minimum \| Events of Default
Debt Instrument [Line Items]
Minimum percentage principal amount of holders required to declare the principal of, and accrued and unpaid interest, on Notes is due and payable upon an event of default			25.00%
Convertible Senior Notes due 2027 \| Class A
Debt Instrument [Line Items]
Initial conversion rate			0.6981
Price per share \| $ / shares			$ 1,000
Initial conversion price \| $ / shares			$ 1,432.46
Number of shares convertible from notes \| shares						733,005
Convertible Senior Notes due 2027 \| Class A \| Early Conversion by Noteholders before August 15, 2026
Debt Instrument [Line Items]
Debt instrument, convertible, trading days \| d			5
Debt instrument, convertible, consecutive trading days \| d			5
Trading price per share \| $ / shares			$ 1,000
Convertible Senior Notes due 2027 \| Class A \| Redeemable by Company after February 20, 2024
Debt Instrument [Line Items]
Debt instrument, convertible, earliest date			Feb. 20, 2024
Debt instrument, convertible, trading days \| d			20
Debt instrument, convertible, consecutive trading days \| d			30
Debt instrument, redemption price, percentage of principal amount redeemed			100.00%
Convertible Senior Notes due 2027 \| Class A \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Debt instrument, convertible, earliest date			Jul. 01, 2021
Debt instrument, convertible, trading days \| d			20
Debt instrument, convertible, consecutive trading days \| d			30
Convertible Senior Notes due 2027 \| Class A \| Minimum \| Redeemable by Company after February 20, 2024
Debt Instrument [Line Items]
Conversion price percentage applicable trading days			130.00%
Convertible Senior Notes due 2027 \| Class A \| Minimum \| Early Conversion by Noteholders before June 15, 2025
Debt Instrument [Line Items]
Conversion price percentage applicable trading days			130.00%
Convertible Senior Notes due 2027 \| Class A \| Maximum [Member] \| Early Conversion by Noteholders before August 15, 2026
Debt Instrument [Line Items]
Conversion price percentage applicable trading days			98.00%
Convertible Senior Notes2025
Debt Instrument [Line Items]
Total Interest Expense					$ 2,500,000	$ 2,500,000
Secured Debt \| Debt Redemption Terms One \| Senior Secured Notes Due Twenty Twenty Eight \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	100.00%
Secured Debt \| Debt Redemption Terms Two \| Senior Secured Notes Due Twenty Twenty Eight \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed	103.00%
Secured Debt \| Debt Redemption Terms Three \| Senior Secured Notes Due Twenty Twenty Eight \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption, potential redemption of principal amount, percentage	106.125%
Secured Debt \| Maximum [Member] \| Fundamental Change \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption, potential redemption of principal amount, percentage	101.00%
Secured Debt \| Maximum [Member] \| Events of Default \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption, potential redemption of principal amount, percentage	100.00%
Secured Debt \| Maximum [Member] \| Debt Redemption Terms One \| Senior Secured Notes Due Twenty Twenty Eight \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption, potential redemption of principal amount, percentage	10.00%
Secured Debt \| Maximum [Member] \| Debt Redemption Terms Two \| Senior Secured Notes Due Twenty Twenty Eight \| Forecast
Debt Instrument [Line Items]
Debt instrument, redemption, potential redemption of principal amount, percentage	40.00%
Secured Notes Due Twenty Twenty Eight
Debt Instrument [Line Items]
Aggregate principal amount					500,000,000	500,000,000
Customary offering expense					$ 12,800,000	$ 12,800,000
Effective interest rate percentage					6.58%	6.58%
Debt instrument springing maturity date						Sep. 15, 2025
Secured Notes Due Twenty Twenty Eight \| Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount					$ 100,000,000	$ 100,000,000
Springing maturity condition 1					100,000,000	100,000,000
Springing maturity condition 2					$ 100,000,000	$ 100,000,000
Secured Notes Due Twenty Twenty Eight \| Class A \| Minimum
Debt Instrument [Line Items]
Debt instrument liquidity requirement threshold percentage						130.00%