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Stockholders' Equity - Summary of Common Stock Shares Activity (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Common Stock Outstanding Roll Forward [Roll Forward]        
Beginning balance $ (29,914) $ 38,927 $ 3,233 $ 41,258
Beginning balance (in shares)     32,682,342  
Net income (loss) 122,260 (13,345) $ 88,384 (18,796)
Stock-based compensation expense 728 1,100 1,435 2,022
Common stock issued through employee stock purchase plan     4 10
Common stock issued, net of expenses 4 18,798 4 20,915
Common stock issued for vested restricted stock units 0 0 18 0
Vested Loan Agreement warrants       71
Ending balance $ 93,078 45,480 $ 93,078 45,480
Ending balance (in shares) 37,175,665   37,175,665  
Common Stock        
Common Stock Outstanding Roll Forward [Roll Forward]        
Beginning balance $ 36 $ 32 $ 36 $ 32
Beginning balance (in shares) 33,327,627 29,221,158 32,682,342 28,705,334
Net income (loss) $ 0 $ 0 $ 0 $ 0
Stock-based compensation expense 0 0 0 0
Common stock issued through employee stock purchase plan     $ 0 $ 0
Common stock issued through employee stock purchase (in shares)     2,662 3,120
Common stock issued, net of expenses $ 4 $ 4 $ 4 $ 4
Common stock issued, net of expenses (in shares) 3,787,400 3,358,333 4,150,400 3,845,943
Common stock issued for vested restricted stock units $ 0 $ 0 $ 0 $ 0
Common stock issued for vested restricted stock units (in shares) 60,638 16,912 340,261 42,006
Vested Loan Agreement warrants       $ 0
Ending balance $ 40 $ 36 $ 40 $ 36
Ending balance (in shares) 37,175,665 32,596,403 37,175,665 32,596,403
Additional Paid-in Capital        
Common Stock Outstanding Roll Forward [Roll Forward]        
Beginning balance $ 426,214 $ 403,825 $ 425,485 $ 400,705
Net income (loss) 0 0 0 0
Stock-based compensation expense 728 1,100 1,435 2,022
Common stock issued through employee stock purchase plan     4 10
Common stock issued, net of expenses 0 18,794 0 20,911
Common stock issued for vested restricted stock units 0 0 18 0
Vested Loan Agreement warrants       71
Ending balance 426,942 423,719 426,942 423,719
Accumulated Deficit        
Common Stock Outstanding Roll Forward [Roll Forward]        
Beginning balance (456,164) (364,930) (422,288) (359,479)
Net income (loss) 122,260 (13,345) 88,384 (18,796)
Stock-based compensation expense 0 0 0 0
Common stock issued through employee stock purchase plan     0 0
Common stock issued, net of expenses 0 0 0 0
Common stock issued for vested restricted stock units 0 0 0 0
Vested Loan Agreement warrants       0
Ending balance $ (333,904) $ (378,275) $ (333,904) $ (378,275)