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Derivative Instruments and Hedging Activities - Information on Location and Amounts of Derivative Fair Values in Consolidated Balance Sheets (Detail) - Interest Rate Swap Contracts [Member] - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Derivatives, Fair Value [Line Items]    
Derivative Fair Value Liability $ 35 $ 43
Other Current Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Fair Value Liability $ 35 $ 43