General form of registration statement for all companies including face-amount certificate companies

Net Loss per Share Attributable to Common Stockholders - Summary of Computation of basic and Diluted net loss per share attributable to common stockholders (Detail)

v3.21.2
Net Loss per Share Attributable to Common Stockholders - Summary of Computation of basic and Diluted net loss per share attributable to common stockholders (Detail) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Earnings Per Share [Abstract]        
Net loss attributable to common stockholders $ (106,511) $ (52,237) $ (114,164) $ (110,349)
Weighted-average shares outstanding 32,239,448 29,040,833 30,066,847 26,839,662
Net loss per share attributable to common stockholders, basic and diluted $ (3.30) $ (1.80) $ (3.80) $ (4.11)