Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2023

Credit Loss [Abstract]

Premium Receivable, Allowance for Credit Loss

The following table presents the balances of premiums receivable, net of allowance for expected credit losses, at June 30, 2023, December 31, 2022, and December 31, 2021 and the changes in the allowance for expected credit losses for the six months ended June 30, 2023 and the year ended December 31, 2022.

(in millions)	Premiums Receivable, Net of Allowance for Estimated Uncollectible Premiums		Allowance for Estimated Uncollectible Premiums
Balance, December 31, 2021	$	648.6	$	5.7
Current period change for estimated uncollectible premiums			0.2
Write-offs of uncollectible premiums receivable			(1.2)
Balance, December 31, 2022	$	292.0	$	4.7
Current period change for estimated uncollectible premiums			1.4
Write-offs of uncollectible premiums receivable			—
Balance, June 30, 2023	$	311.9	$	6.1

Reinsurance Recoverable, Allowance for Credit Loss

Reinsurance Recoverables

The following table presents the balances of reinsurance recoverables, net of the allowance for estimated uncollectible reinsurance, at June 30, 2023, December 31, 2022, and December 31, 2021 and the changes in the allowance for estimated uncollectible reinsurance for the six months ended June 30, 2023 and the year ended December 31, 2022.

(in millions)	Reinsurance Recoverables, Net of Allowance for Estimated Uncollectible Reinsurance		Allowance for Estimated Uncollectible Reinsurance
Balance, December 31, 2021	$	2,966.4	$	3.8
Current period change for estimated uncollectible premiums			1.7
Write-offs of uncollectible premiums receivable			—
Reclassified to assets held-for-sale			(0.8)
Balance, December 31, 2022	$	3,029.1	$	4.7
Current period change for estimated uncollectible reinsurance			—
Write-offs of uncollectible reinsurance recoverables			—
Balance, June 30, 2023	$	2,908.2	$	4.7