Number of new stock issued during the period.

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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Stockholder's Equity - Additional Information (Detail) - ATM Facility - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Feb. 28, 2022	Mar. 31, 2019	Mar. 31, 2022
SVB Leerink LLC and Stifel, Nicolaus & Company, Incorporated
Class of Stock [Line Items]
Common stock, shares issued			0
SVB Leerink LLC and Stifel, Nicolaus & Company, Incorporated \| Maximum
Class of Stock [Line Items]
Aggregate offering price		$ 75.0
SVB Securities LLC, Credit Suisse Securities (USA) LLC and Cantor Fitzgerald & Co.
Class of Stock [Line Items]
Common stock, shares issued			0
SVB Securities LLC, Credit Suisse Securities (USA) LLC and Cantor Fitzgerald & Co. \| Maximum
Class of Stock [Line Items]
Aggregate offering price	$ 150.0