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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Supplier Concentration Risk | Cost of Goods, Total
Related Party Transaction [Line Items]
Percentage of purchases from key suppliers	84.00%	85.00%	84.00%
Moss & Associates LLC | Customary Payments for Remodeling of Corporate Headquarters
Related Party Transaction [Line Items]
Payment for related party transaction	$ 951	$ 291
Amount payable to related party	131
Greenberg Traurig, P.A. | Customary Fees for Legal Services
Related Party Transaction [Line Items]
Payment for related party transaction	475
Amount payable to related party	0
Carrier and Its Affiliates | Supplier Concentration Risk
Related Party Transaction [Line Items]
Amount payable to Carrier and its affiliates, net of receivables	75,000	63,000
Revenues from sales to Carrier and its affiliates	$ 64,000	$ 56,000	$ 62,000
Carrier and Its Affiliates | Supplier Concentration Risk | Cost of Goods, Total
Related Party Transaction [Line Items]
Percentage of purchases from key suppliers	62.00%	62.00%	62.00%

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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