Current Expected Credit Losses Current Expected Credit Losses (Tables)

9 Months Ended

Sep. 30, 2020

Credit Loss [Abstract]

Reinsurance Recoverable, Credit Quality Indicator [Table Text Block]

The following table sets forth the amortized cost of the Company's direct third-party reinsurance recoverables by FSR, net of the allowance for credit losses, at September 30, 2020:

($ millions)	Amortized Cost
Financial strength rating:
A++	$	1.2
A+	15.3
A	18.7
Reinsurance recoverable on losses and loss expenses payable, net of allowance for credit losses	$	35.2

Premium Receivable, Allowance for Credit Loss [Table Text Block]

The following table sets forth the changes in the Company's share of the allowance for uncollectible premiums receivable for the three and nine months ended September 30, 2020:

($ millions)	Allowance for credit losses
Beginning balance at July 1, 2020	$	7.0
Current period provision	1.1
Writeoffs	(1.1)
Ending balance at September 30, 2020	$	7.0
Beginning balance at January 1, 2020	$	4.3
Current period provision	6.7
Writeoffs	(4.0)
Ending balance at September 30, 2020	$	7.0