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Segment Information (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Reconciliation of operating results by reportable segment

The following table presents the Company's operating results by reportable segment:

			Three Months Ended March 31,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Net premiums earned			$	997.6					$	7.1					$	1,004.7					$	955.4					$	7.2					$	962.6
Less:
Losses and loss adjustment expenses			925.8						3.7						929.5						818.3						3.6						821.9
Underwriting expenses			230.8						3.5						234.3						229.1						3.3						232.4
Underwriting loss			(159.0)						(0.1)						(159.1)						(92.0)						0.3						(91.7)
Investment income															52.0																		35.4
Net realized investment gains (losses)															49.0																		(195.1)
Other income															0.9																		2.6
Interest expense															(4.9)																		(4.3)
Pre-tax loss															$	(62.1)																	$	(253.1)
Net loss															$	(45.3)																	$	(196.9)

Schedule direct premiums attributable to segment

The following table presents the Company’s net premiums earned and direct premiums written by reportable segment and line of insurance business:

			Three Months Ended March 31,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Private passenger automobile			$	660.6					$	—					$	660.6					$	659.3					$	—					$	659.3
Homeowners			222.5						—						222.5						192.0						—						192.0
Commercial automobile			69.1						—						69.1						64.5						—						64.5
Other			45.4						7.1						52.5						39.6						7.2						46.8
Net premiums earned			$	997.6					$	7.1					$	1,004.7					$	955.4					$	7.2					$	962.6
Private passenger automobile			$	634.3					$	—					$	634.3					$	681.3					$	—					$	681.3
Homeowners			241.6						—						241.6						210.2						—						210.2
Commercial automobile			80.0						—						80.0						71.6						—						71.6
Other			56.3						6.4						62.7						48.3						6.8						55.1
Direct premiums written			$	1,012.2					$	6.4					$	1,018.6					$	1,011.4					$	6.8					$	1,018.2

X

- Definition

Disclosure of direct premium written by line of business.

+ References

No definition available.

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- Definition

Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

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