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Organization and Basis of Presentation - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Segment
Jun. 30, 2020
USD ($)
Consolidation And Basis Of Presentation [Line Items]        
Number of reportable business segments | Segment     1  
Gain on extinguishment of debt $ 5,516 $ 0 $ 5,516 $ 0
Percentage of employee retention     70.00%  
Maximum qualified wages     $ 10,000  
Maximum tax credit claimed     7,000  
Employee retention credit 2,800   2,800  
General and Administrative Expense [Member]        
Consolidation And Basis Of Presentation [Line Items]        
Employee retention credit 800   800  
Operating Lease Expense [Member]        
Consolidation And Basis Of Presentation [Line Items]        
Employee retention credit $ 2,000   $ 2,000