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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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