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Redeemable Convertible Preferred Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended
	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2023	Mar. 31, 2025	Dec. 31, 2024	Jul. 31, 2024
Series G-3 Redeemable Convertible Preferred Stock [Member]
Temporary Equity [Line Items]
Temporary equity stock issued during the period shares payment of dividend in kind		66,465
Series G-4 Redeemable Convertible Preferred Stock [Member]
Temporary Equity [Line Items]
Temporary equity stock issued during the period shares payment of dividend in kind		10,666
Temporary equity stock issued during the period shares new issues			785,245
Proceeds from redeemable convertible preferred stock			$ 45.0
Temporary equity par or stated value per share			$ 0.0001
Temporary equity special payment as a percentage of original issue price			5.00%
Aggregate trading period for determining special price payable to the holders of temporary equity			10 days
Common stock average price as percentage of issue price maximum			110.00%
Series G-4 Redeemable Convertible Preferred Stock [Member] | Accrued Liabilities [Member]
Temporary Equity [Line Items]
Special price paid in cash						$ 2.3
Series G-5 Redeemable Convertible Preferred Stock [Member]
Temporary Equity [Line Items]
Temporary equity stock issued during the period shares new issues	3,489,981
Proceeds from redeemable convertible preferred stock	$ 200.0
Temporary equity par or stated value per share	$ 0.0001
Common Class A [Member]
Temporary Equity [Line Items]
Common stock shares outstanding				167,989,074	157,076,972
Temporary equity converted into permanent equity shares				71,976,178
Common Class B [Member]
Temporary Equity [Line Items]
Common stock shares outstanding				5,043,789	5,043,789

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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