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Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Supplier Concentration Risk | Cost of Goods, Total      
Related Party Transaction [Line Items]      
Percentage of purchases from key suppliers 85.00% 83.00% 84.00%
Moss & Associates LLC | Customary Payments for Remodeling of Corporate Headquarters      
Related Party Transaction [Line Items]      
Payment for related party transaction     $ 124
Greenberg Traurig, P.A. | Customary Fees for Legal Services      
Related Party Transaction [Line Items]      
Payment for related party transaction $ 156 $ 187 131
Amount payable to related party 8    
Carrier and Its Affiliates | Supplier Concentration Risk      
Related Party Transaction [Line Items]      
Amount payable to Carrier and its affiliates, net of receivables 81,000 86,000  
Revenues from sales to Carrier and its affiliates $ 103,000 $ 91,000 $ 84,000
Carrier and Its Affiliates | Supplier Concentration Risk | Cost of Goods, Total      
Related Party Transaction [Line Items]      
Percentage of purchases from key suppliers 63.00% 62.00% 62.00%