v3.21.1
Stockholder's Equity - Common Stock, Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Oct. 23, 2020
Oct. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Jul. 22, 2019
Equity [Abstract]          
Common stock authorized (in shares)     500,000,000 500,000,000 500,000,000
Common stock, par value (in USD per share)     $ 0.01 $ 0.01 $ 0.01
Stock issued during period (in shares) 5,750,000 5,750,000      
Share price (in USD per share) $ 32.00 $ 32.00      
Net proceeds of stock issuance $ 174,800   $ 174,510 $ 124,370  
Issuance costs $ 290     $ 6,412