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Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Detail)
$ in Thousands
Jun. 30, 2021
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
2021 (July 1 through December 31) $ 30
2022 60
2023 60
2024 30
Total amortization expense $ 180