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Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Equity [Abstract]
Common shares, shares authorized (in shares)	100,000,000		100,000,000
Preferred stock, shares authorized (in shares)	50,000,000		50,000,000
Cash dividends declared per common share (in usd per share)	$ 0	$ 0.05
Dividend declared		$ 2.7
Total authorizations which remain available for use	$ 55.9
Deferred tax (benefit) expense included in OCI		$ 10.8

X

- Definition

The remaining amount authorized by an entity's Board of Directors for stock repurchase or debt repayment.

+ References

No definition available.

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- Definition

Aggregate dividends declared 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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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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- Definition

Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

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-Topic 810
-SubTopic 10
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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
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