Quarterly report pursuant to Section 13 or 15(d)

Intangibles - Estimated Future Amortization Expense Related to Intangible Assets (Detail)

v3.21.2
Intangibles - Estimated Future Amortization Expense Related to Intangible Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
2021 $ 56  
2022 223  
2023 223  
Thereafter 1,195  
Intangible assets, Net Carrying Value $ 1,697 $ 1,864