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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Moss & Associates LLC | Customary Payments for Remodeling of Corporate Headquarters
Related Party Transaction [Line Items]
Payment for related party transaction		$ 0		$ 124
Greenberg Traurig, P.A. | Customary Fees for Legal Services
Related Party Transaction [Line Items]
Payment for related party transaction	$ 175	0	$ 175	18
Amount payable to related party	0		0
Carrier and Its Affiliates | Supplier Concentration Risk
Related Party Transaction [Line Items]
Amount payable to Carrier and its affiliates, net of receivables	120,000		120,000		$ 71,000
Revenues from sales to Carrier and its affiliates	$ 24,000	$ 28,000	$ 68,000	$ 65,000
Carrier and Its Affiliates | Supplier Concentration Risk | Cost of Goods, Total
Related Party Transaction [Line Items]
Percentage of purchases from key suppliers	60.00%	64.00%	61.00%	63.00%

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