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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)ls) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Common shares, par value (USD per share)	$ 1.00	$ 1.00	$ 1.00	$ 1.00
Cash dividends declared on common stock (in dollars per share)	0.10	0.10	0.30	0.30
Cash dividends declared on Serial Preferred Shares, Series B (in dollars per share)	$ 0	$ 0	$ 0	$ 15.688377
Voting Preference Shares
Preferred stock, shares authorized (shares)	5,000,000	5,000,000	5,000,000	5,000,000
Preferred stock, shares issued (shares)	0	0	0	0
Serial Preferred Stock
Preferred stock, shares authorized (shares)	20,000,000	20,000,000	20,000,000	20,000,000

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- Definition

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

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-Topic 505
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-Section S99
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Face amount or stated value per share of common stock.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

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-Topic 505
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