Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

Valuation And Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Schedule V – Valuation and Qualifying Accounts

ALLEGHANY CORPORATION AND SUBSIDIARIES

Year	Description	Balance at January 1,		Charged to Costs and Expenses		Charged to Other Accounts		Deductions		Balance at December 31,
		($ in millions)
2020	Allowance for credit losses for reinsurance recoverable	$	—	$	4.6	$	3.3	$	—	$	7.9
	Allowance for credit losses for premiums receivable	$	0.7	$	1.1	$	0.4	$	—	$	2.2
2019	Allowance for uncollectible reinsurance recoverable	$	—	$	—	$	—	$	—	$	—
	Allowance for uncollectible premiums receivable	$	0.4	$	0.9	$	—	$	0.6	$	0.7
2018	Allowance for uncollectible reinsurance recoverable	$	—	$	—	$	—	$	—	$	—
	Allowance for uncollectible premiums receivable	$	0.5	$	0.7	$	—	$	0.8	$	0.4