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v3.19.3.a.u2

Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - $ / shares | Feb. 26, 2020 | Feb. 05, 2020
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Revolving Credit Facility [Member] |  |
Subsequent Event [Line Items] |  |
Maturity date extended, period | 2 years |
Senior Notes maturity date | Feb. 26, 2023 |
Class A Common Stock [Member] |  |
Subsequent Event [Line Items] |  |
Dividend declared per share |  | $ 0.14
Dividend payable declared date |  | Feb. 05, 2020
Dividend payable, date to be paid |  | Mar. 11, 2020
Dividend payable record date |  | Feb. 26, 2020
Class B Common Stock [Member] |  |
Subsequent Event [Line Items] |  |
Dividend declared per share |  | $ 0.14
Dividend payable declared date |  | Feb. 05, 2020
Dividend payable, date to be paid |  | Mar. 11, 2020
Dividend payable record date |  | Feb. 26, 2020

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