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Earnings Per Shares - Schedule of Weighted Average Number of Shares (Parenthetical) (Detail) - shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020
Earnings Per Share [Abstract] |  |
Participating Securities | 15,307 | 14,997
Potentially Dilutive common stock equivalents | 5 | 5

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