Common Stock Equivalents Excluded From Diluted Net Loss Per Share (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	7,525	7,446
Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	557	633
PSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	75	180
Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	514	545
Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	275	275
Shares of Common Stock Issuable Upon Conversion of Series B Convertible Preferred Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	6,104	5,813