v3.21.2
Summary of Significant Accounting Policies (Detail) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Jun. 21, 2020
Feb. 09, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Line Items]            
Unrecognized tax benefits   $ 1,671,000 $ 1,671,000 $ 1,671,000 $ 1,275,000 $ 639,000
CIK_0001819810_Genesis Park Acquisition Corp [Member]            
Accounting Policies [Line Items]            
Cash $ 557,200 1,295,380        
Unrecognized tax benefits 0 0        
Accrued interest and penalties 0 0        
Cash subject to federal depository insurance $ 250,000 $ 250,000