Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended	9 Months Ended
	Sep. 30, 2023	Mar. 31, 2022	Aug. 31, 2019	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Class Of Stock [Line Items]
Common stock, shares authorized	240,000,000				240,000,000		120,000,000
2019 Sales Agreement [Member]
Class Of Stock [Line Items]
Proceeds from common stock offering				$ 38.9
Percentage of gross proceeds from common stock as sales agent cash commission			3.00%
Stock Issued During Period, Shares, New Issues			3,778,889	579,788
Common stock price per share		$ 69.43		$ 69.43
2019 Sales Agreement [Member] | General and Administrative Expenses [Member]
Class Of Stock [Line Items]
Legal accounting and other fees				$ 0.2
2019 Sales Agreement [Member] | Maximum
Class Of Stock [Line Items]
Proceeds from common stock offering			$ 150.0
2022 Sales Agreement [Member]
Class Of Stock [Line Items]
Proceeds from common stock offering					$ 16.2	$ 31.5
Proceeds From Sale of Marketable Securities						$ 8.3
Percentage of gross proceeds from common stock as sales agent cash commission		3.00%
Stock Issued During Period, Shares, New Issues	3,836,020				440,681	553,204
Common stock price per share	$ 38.2				$ 38.2	$ 58.82
Legal accounting and other fees						$ 0.1
Proceeds from common stock offering	$ 188.2				$ 188.2
2022 Sales Agreement [Member] | General and Administrative Expenses [Member]
Class Of Stock [Line Items]
Legal accounting and other fees					$ 0.1
2022 Sales Agreement [Member] | Maximum
Class Of Stock [Line Items]
Proceeds from common stock offering		$ 400.0