Credit Losses (Tables)

12 Months Ended

Dec. 31, 2021

Credit Loss [Abstract]

Premium Receivable, Allowance for Credit Loss

The table below shows the changes in the allowance for CECL on premiums receivable.

	Years Ended December 31,
	2021		2020
	(in millions)
Beginning balance of the allowance for CECL on premiums receivable	$	10.8	$	4.6
Current period provision for CECL	10.6		13.0
Write-offs charged against the allowance	(2.5)		(6.8)
Recoveries collected	(8.6)		—
Ending balance of the allowance for CECL on premiums receivable	$	10.3	$	10.8

Reinsurance Recoverable, Allowance for Credit Loss

The table below shows the changes in the allowance for CECL on reinsurance recoverables.

	Years Ended December 31,
	2021		2020
	(in millions)
Beginning balance of the allowance for CECL on reinsurance recoverables	$	0.4	$	—
Current period provision for CECL	0.2		0.4
Ending balance of the allowance for CECL on reinsurance recoverables	$	0.6	$	0.4

Debt Securities, Available-for-sale, Allowance for Credit Loss

The table below shows the changes in the allowance for CECL on AFS securities.

	Years Ended December 31,
	2021		2020
	(in millions)
Beginning balance of the allowance for CECL on AFS securities	$	0.7	$	—
Current period provision for CECL	—		3.1
Reductions in allowance from disposals	(0.2)		(2.4)
Recoveries of amounts previously written off	$	(0.3)	—
Ending balance of the allowance for CECL on AFS securities	$	0.2	$	0.7