Equity - Narrative (Detail) $ / shares in Units, $ in Millions	1 Months Ended
	Sep. 30, 2021 USD ($) $ / shares shares	Dec. 31, 2021 vote shares	Dec. 31, 2020 shares
Subsidiary, Sale of Stock [Line Items]
Common stock, shares authorized (in shares)		125,000,000	125,000,000
Common stock, number of votes (in votes per share) | vote		1
Common stock, shares issued (in shares)		71,115,000	66,432,000
Common stock, shares outstanding (in shares)		71,115,000	66,432,000
Preferred stock, shares authorized (in shares)		5,000,000	5,000,000
Preferred Stock, shares issued (in shares)		0	0
Preferred stock, shares outstanding (in shares)		0	0
Private Placement
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares)	2,300,000
Common stock price per share (in dollars per share) | $ / shares	$ 16.50
Proceeds from stock offering | $	$ 75.0
Private Placement | Pre-funded warrants
Subsidiary, Sale of Stock [Line Items]
Number of securities called by warrants	2,300,000
Warrant price per share (in dollars per share) | $ / shares	$ 16.49
Exercise price of warrants (in dollars per share) | $ / shares	$ 0.01