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Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Reconciliation of operating results by reportable segment

The following tables present the Company's operating results by reportable segment:

			Three Months Ended June 30,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Net premiums earned			$	1,027.3					$	7.2					$	1,034.5					$	980.3					$	7.2					$	987.5
Less:
Losses and loss adjustment expenses			893.9						3.9						897.8						823.0						3.8						826.8
Underwriting expenses			237.4						3.8						241.2						224.5						1.4						225.9
Underwriting (loss) gain			(104.0)						(0.5)						(104.5)						(67.2)						2.0						(65.2)
Investment income															58.4																		38.6
Net realized investment losses															(19.8)																		(241.9)
Other income															10.2																		1.5
Interest expense															(5.5)																		(4.3)
Pre-tax loss															$	(61.2)																	$	(271.3)
Net loss															$	(41.5)																	$	(210.7)

			Six Months Ended June 30,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Net premiums earned			$	2,024.8					$	14.4					$	2,039.2					$	1,935.7					$	14.4					$	1,950.1
Less:
Losses and loss adjustment expenses			1,819.7						7.6						1,827.3						1,641.3						7.4						1,648.7
Underwriting expenses			468.0						7.3						475.3						453.7						4.7						458.4
Underwriting (loss) gain			(262.9)						(0.5)						(263.4)						(159.3)						2.3						(157.0)
Investment income															110.3																		73.9
Net realized investment gains (losses)															29.2																		(437.0)
Other income															11.1																		4.1
Interest expense															(10.5)																		(8.5)
Pre-tax loss															$	(123.3)																	$	(524.5)
Net loss															$	(86.8)																	$	(407.6)

Schedule direct premiums attributable to segment

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

			Three Months Ended June 30,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Private passenger automobile			$	674.7					$	—					$	674.7					$	666.0					$	—					$	666.0
Homeowners			233.9						—						233.9						205.9						—						205.9
Commercial automobile			72.1						—						72.1						66.1						—						66.1
Other			46.6						7.2						53.8						42.3						7.2						49.5
Net premiums earned			$	1,027.3					$	7.2					$	1,034.5					$	980.3					$	7.2					$	987.5
Private passenger automobile			$	698.5					$	—					$	698.5					$	653.8					$	—					$	653.8
Homeowners			294.5						—						294.5						251.8						—						251.8
Commercial automobile			82.7						—						82.7						69.8						—						69.8
Other			56.5						7.3						63.8						50.3						8.4						58.7
Direct premiums written			$	1,132.2					$	7.3					$	1,139.5					$	1,025.7					$	8.4					$	1,034.1

			Six Months Ended June 30,
			2023																		2022
			Property & Casualty						Other						Total						Property & Casualty						Other						Total
			(Amounts in millions)
Private passenger automobile			$	1,335.3											$	1,335.3					$	1,325.3					$	—					$	1,325.3
Homeowners			456.4												456.4						397.9						—						397.9
Commercial automobile			141.2												141.2						130.6						—						130.6
Other			91.9						14.4						106.3						81.9						14.4						96.3
Net premiums earned			$	2,024.8					$	14.4					$	2,039.2					$	1,935.7					$	14.4					$	1,950.1
Private passenger automobile			$	1,332.8											$	1,332.8					$	1,335.0					$	—					$	1,335.0
Homeowners			536.1												536.1						462.1						—						462.1
Commercial automobile			162.7												162.7						141.4						—						141.4
Other			112.9						13.5						126.4						98.6						15.2						113.8
Direct premiums written			$	2,144.5					$	13.5					$	2,158.0					$	2,037.1					$	15.2					$	2,052.3

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
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-31

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-30

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