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Reconciliations of Equity - Reconciliations of Total Equity (Parenthetical) (Detail) - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Number of shares of common stock issued under incentive compensation plan | 25,981 | 1,514
Number of common stock shares purchased |  | 98,206
Common stock | $ 0.365 | $ 0.335
Common Stock [Member] |  |
Number of shares of common stock issued under incentive compensation plan | 25,981 | 1,514
Additional Paid-in Capital [Member] |  |
Number of shares of common stock issued under incentive compensation plan | 25,981 | 1,514
Common Treasury Stock [Member] |  |
Number of common stock shares purchased |  | 98,206
Retained Earnings [Member] |  |
Common stock | $ 0.365 | $ 0.335

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