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Amount of cost to be recognized for option under share-based payment arrangement.

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Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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Equity-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Mar. 31, 2026	Mar. 31, 2025	Aug. 20, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	$ 18,837	$ 15,802	$ 53,782	$ 45,451
Equity-based compensation expense	18,837	15,802	53,782	45,451
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Intrinsic value of stock options exercised	$ 33,100	$ 8,600	$ 103,500	$ 16,000
Weighted-average fair value of options granted	$ 78.35	$ 33.67	$ 64.99	$ 22.73
Recognized stock-based compensation expense	$ 13,316	$ 12,545	$ 38,852	$ 36,506
Unrecognized stock-based compensation expense	108,000		$ 108,000
Unrecognized compensation cost, recognition period			3 years 3 months 18 days
Equity-based compensation expense	13,316	12,545	$ 38,852	36,506
Employee Stock Option \| Research and Development Arrangement [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	6,843	5,919	19,072	17,615
Equity-based compensation expense	6,843	5,919	19,072	17,615
Employee Stock Option \| General and Administrative [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	6,473	6,626	19,780	18,891
Equity-based compensation expense	6,473	6,626	19,780	18,891
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	5,300	$ 2,800	14,200	$ 8,000
Unrecognized stock-based compensation expense	$ 72,300		$ 72,300
Unrecognized compensation cost, recognition period			3 years 1 month 6 days
Granted	265,100	243,950	688,067	736,050
Equity-based compensation expense	$ 5,300	$ 2,800	$ 14,200	$ 8,000
Restricted Stock \| Research and Development Arrangement [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	3,900	2,300	10,400	5,800
Equity-based compensation expense	3,900	2,300	10,400	5,800
Restricted Stock \| General and Administrative [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Recognized stock-based compensation expense	1,400	500	3,800	2,200
Equity-based compensation expense	$ 1,400	500	$ 3,800	2,200
2020 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance under plan							4,457,370
Maximum number of shares to be issued, percentage			4.00%
Shares remaining available for future grants	6,342,748		6,342,748
Weighted-average fair value of options granted			$ 97.53
Recognized stock-based compensation expense	$ 200	$ 0	$ 500	$ 0
Performance stock options vesting	60.00%		60.00%			40.00%
Second clinical milestone vesting percentage						40.00%
Third clinical milestone vesting percentage	15.00%		15.00%			20.00%
Granted	0	0	95,000	88,000
Option Indexed to Issuer's Equity, Strike Price			$ 30.17
Performance stock options outstanding	88,000		88,000
Equity-based compensation expense	$ 200	$ 0	$ 500	$ 0
2020 Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted	0	0	73,672	285,723
2020 Plan \| Performance Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average fair value of options granted			$ 126.09
Recognized stock-based compensation expense	$ 100		$ 400
Performance stock options vesting					60.00%	40.00%
Second clinical milestone vesting percentage						40.00%
Third clinical milestone vesting percentage					15.00%	20.00%
Granted	0	0	73,672	0
Option Indexed to Issuer's Equity, Strike Price			$ 30.17
Equity-based compensation expense	$ 100		$ 400
2020 Plan \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance stock options range	0.00%		0.00%			0.00%
2020 Plan \| Minimum [Member] \| Performance Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance stock options range	0.00%		0.00%		0.00%
2020 Plan \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance stock options range	100.00%		100.00%			100.00%
2020 Plan \| Maximum [Member] \| Performance Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance stock options range	100.00%		100.00%		100.00%
2020 Plan \| Executive Officer [Member] \| Performance Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted		0		285,723
2020 ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance under plan							445,653
Shares remaining available for future grants	2,716,358		2,716,358
Share-based compensation, description			The 2020 ESPP provides that the number of shares reserved and available for issuance will automatically increase on January 1, 2021 and each January 1 thereafter through January 1, 2030, by the lesser of (i) 438,898 shares of common stock, (ii) 1% of the Company’s outstanding number of shares of common stock on the immediately preceding December 31 or (iii) such lesser number of shares of common stock as determined by the administrator of the 2020 ESPP.
2020 ESPP \| Lesser of Potential Outcome 1
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum number of shares to be issued, percentage			1.00%
Number of additional shares authorized			438,898
2018 Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted			761,739