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Investments (Detail) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Equity Securities without Readily Determinable Fair Value [Line Items] |  |  |
Investments in golf related ventures |  | $ 282 | $ 1,499
Percentage of ownership interest in Topgolf |  | 14.00% |
Investment in Topgolf | $ 70,495 | $ 70,777 |
Topgolf International Inc |  |  |
Equity Securities without Readily Determinable Fair Value [Line Items] |  |  |
Investments in golf related ventures | 20,000 | 282 | $ 1,499
Investment in Topgolf | $ 70,495 | $ 70,777 |

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