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Other Investments - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity interest, percentage | 93.80% |  |
Aggregate cost of equity method investments | $ 51,700 |  |
Pro-rata share of earnings from equity method investment | $ 600 | $ 1,594 |
Voting interest | 25.00% |  |
Equity Investment | $ 76,808 |  | $ 76,208
Equity Investment |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity Investment | $ 57,700 |  | $ 57,600
Privately-held Company |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Pro-rata share of earnings from equity method investment |  | $ 1,100 |

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