Stock Based Compensation - Summary of Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares, Grants outstanding at beginning of the period | shares	1,829,632	[1]
Shares, Granted | shares	1,165,925	[2]
Shares, Vested | shares	(644,614)
Shares, Forfeited | shares	(110,439)
Shares, Grants outstanding at end of the period | shares	2,240,504
Weighted Average Grant Date Fair Value per Share, Grants outstanding at beginning of the period | $ / shares	$ 93.59	[1]
Weighted Average Grant Date Fair Value per Share, Granted | $ / shares	151.2	[2]
Weighted Average Grant Date Fair Value per Share, Vested | $ / shares	93.69
Weighted Average Grant Date Fair Value per Share, Forfeited | $ / shares	112.27
Weighted Average Grant Date Fair Value per Share, Grants outstanding at end of the period | $ / shares	$ 120.17

[1] (1) Included in RSUs outstanding at the beginning of the year ended December 31, 2023 are 38,500 shares of PSUs (the “March 2022 PSUs”) with performance conditions related to regulatory approval of the Company’s product candidates.

[2] (2) Included in RSUs granted during the year ended December 31, 2023 are 502,225 shares with performance conditions (the “March 2023 PSUs”), which are related to regulatory approval of certain of the Company's product candidates and achievement of a certain financial performance target.