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Noncontrolling Interest - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Feb. 27, 2024	Dec. 31, 2023
Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest, equity, fair value		$ 5,300
Redeemable noncontrolling interest	$ 0		$ 6,131
Class A Common Stock
Noncontrolling Interest [Line Items]
Number of days used to determine exchange value based on weighted average price of Class A common stock	20 days
Class A Common Stock | Exchange of Redeemable Non controlling Interest To Class A Common Stock
Noncontrolling Interest [Line Items]
Stock conversion ratio	1
vTv Therapeutics LLC
Noncontrolling Interest [Line Items]
Noncontrolling interest ownership percentage	18.10%

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Percentage of non voting economic interest.

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Redeemable non controlling interest exchange agreement stock conversion ratio.

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