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Equity - Narrative (Detail) - Private Placement
$ / shares in Units, shares in Thousands, $ in Millions
1 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Subsidiary, Sale of Stock [Line Items]  
Shares sold | shares 2,300
Common stock price per share (in dollars per share) $ 16.50
Proceeds from stock offering | $ $ 75.0
Pre-funded Warrants  
Subsidiary, Sale of Stock [Line Items]  
Number of securities called by warrants | shares 2,300
Warrant price per share (in dollars per share) $ 16.49
Exercise price of warrants (in dollars per share) $ 0.01