Stock-Based Compensation - Additional Information (Detail) - USD ($)			1 Months Ended		3 Months Ended			6 Months Ended			12 Months Ended
		Apr. 03, 2024	Jun. 30, 2025		Jun. 30, 2025		Jun. 30, 2024	Jun. 30, 2025		Jun. 30, 2024	Dec. 31, 2021	Mar. 31, 2025	Dec. 31, 2024
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized compensation expense related to unvested restricted stock			25,235,640	[1]	25,235,640	[1]		25,235,640	[1]				32,029,604
Weighted average contractual years								1 year 1 month 9 days
Share-based payment award, number of shares granted target	[2]							4,608,334
Wighted average exercise price			$ 11.8		$ 11.8			$ 11.8					$ 9.7
Share related expenses					$ 46,471,000		$ 52,159,000	$ 88,458,000		$ 104,797,000
Number of options, exercisable outstanding			1,448,784		1,448,784			1,448,784
Weighted average exercise price, exercisable			$ 9.05		$ 9.05			$ 9.05
Stock Issued under Employee Stock Purchase Plan					$ 1,904,000		$ 1,525,000
Number of options, Granted								9,290,214
December 1, 2024 to May 31, 2025 [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized compensation expense related to unvested restricted stock			232,560		232,560			232,560
Class A Common Stock [Member] | Common Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based payment award, number of shares issued			232,560		232,560			232,560
Stock Options [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based payment award, number of shares issued			11,380,009		11,380,009			11,380,009
Weighted average exercise price, exercisable			$ 7.09		$ 7.09			$ 7.09
Number of options, Granted								9,290,214
Stock Options [Member] | Maximum [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based award expiration period								10 years
Restricted Stock and RSUs [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Percentage of vesting of stocks								25.00%
Share-based compensation arrangement by share-based payment award, award vesting period								4 years
Restricted Stock and RSUs [Member] | Maximum [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period								5 years
Unvested Restricted Stock And Restricted Stock Units [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized compensation expense			$ 255,943,000		$ 255,943,000			$ 255,943,000
Unvested restricted stock and stock units			25,235,640		25,235,640			25,235,640
Performance Shares [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Percentage of vesting of stocks								33.33%
Unrecognized compensation expense related to unvested restricted stock			9,879,788		9,879,788			9,879,788					9,913,174
Share based compensation arrangement by share based payment award, equity instruments, other than options, remaining unissued number								9,879,788
Share-based Payment Award, Number of Shares Authorized			16,075,818		16,075,818			16,075,818
Share-based payment award, number of shares granted target		2,989,850	16,317,251
Share based compensation incremental earned in excess of target percentage								100.00%
Share-based compensation arrangement by share-based payment award, per share weighted average price of shares purchased												$ 10.3
Performance Shares [Member] | 2021 Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Percentage of vesting of stocks								100.00%
Performance Shares [Member] | Class A Common Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Percentage of target PSUs								200.00%
Performance Shares [Member] | Maximum [Member] | Class A Common Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Issuance of shares		5,979,700
Performance Based PSU [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based payment award, number of shares issued			849,183		849,183			849,183
Share-based payment award, number of shares granted target								849,183
Performance Based PSU [Member] | Class A Common Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Issuance of shares								849,183
Employee Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Wighted average exercise price			$ 4.45		$ 4.45			$ 4.45
Stock Issued under Employee Stock Purchase Plan											$ 10,000,000
Employee Stock [Member] | Class A Common Stock [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Maximum Value of Shares Per Employee can purchase under the plan											$ 25,000
Employee Stock [Member] | Class A Common Stock [Member] | Common Stock [Member] | December 1, 2024 to May 31, 2025 [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Issuance of shares								170,483

[1] Includes 12,296,640 unvested shares of Class A restricted stock, 4,684,103 unvested shares of Class B restricted stock and 8,254,897 unvested RSUs, each as of June 30, 2025.

[2] During the six months ended June 30, 2025, the Company granted 219,896 shares of restricted stock and 4,388,438 RSUs to its employees, advisors and non-employee directors.