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Reconciliations of Equity - Reconciliations of Total Equity (Parenthetical) (Detail) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Number of shares of common stock issued under incentive compensation plan	10,730	2,734	43,502	5,381
Number of common stock shares purchased		54,780		222,720
Common stock	$ 0.365	$ 0.335	$ 1.095	$ 1.005
Common Stock [Member]
Number of shares of common stock issued under incentive compensation plan		2,734		5,381
Additional Paid-in Capital [Member]
Number of shares of common stock issued under incentive compensation plan		2,734		5,381
Common Treasury Stock [Member]
Number of common stock shares purchased		54,780		222,720
Retained Earnings [Member]
Common stock		$ 0.335		$ 1.005

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
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-Name Accounting Standards Codification
-Section 50
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-SubTopic 10
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