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Subsequent Events - Additional Information (Detail) - Mr. Blome [Member] - Scenario Forecast [Member]
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Subsequent Event [Line Items]  
Additional non-cash charge from acceleration of expense on bonus paid $ 0.1
Cash severance payments period 24 months
Expected benefit to earnings from recapture of non-cash stock compensation expense $ 2.5
Separation-related [Member]  
Subsequent Event [Line Items]  
Cash expense for separation-related payments $ 2.3