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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 01, 2020
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Summary Of Significant Accounting Policy [Line Items]            
Life insurance proceeds received           $ 1,000
Tax benefit in other comprehensive income (loss)   $ 218   $ 104 $ 321 224
ASU 2018-15 [Member] | Reclassification of Property, Plant and Equipment to Other Assets [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Effect on adoption of ASU $ 5,600          
Adjustments for New Accounting Principle, Early Adoption [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Tax benefit in other comprehensive income (loss)         $ (100)  
Excess, Obsolete Inventory Reserve and Cost of Goods [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Amount of revision       800   $ 200
Errors in Operating Activity [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Amount of revision       $ 1,000    
Overstatement Long-term Investment Balance at Remeasured Cost Basis [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Amount of revision     $ 2,800      
Errors in Net Investment Gain [Member]            
Summary Of Significant Accounting Policy [Line Items]            
Amount of revision     $ 1,500