Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2018

Schedule IV - Reinsurance [Abstract]

Schedule IV - Reinsurance

SCHEDULE IV — REINSURANCE
Column A	Column B		Column C		Column D		Column E		Column F
			Ceded to		Assumed
	Gross		Other		from Other		Net		Assumed
(Dollars in thousands)	Amount		Companies		Companies		Amount		to Net
December 31, 2018
Total property and liability insurance
premiums earned	$	2,129,320	$	1,004,953	$	5,807,332	$	6,931,699		83.8	%
December 31, 2017
Total property and liability insurance
premiums earned	$	1,825,705	$	833,387	$	4,945,522	$	5,937,840		83.3	%
December 31, 2016
Total property and liability insurance
premiums earned	$	1,694,702	$	736,180	$	4,361,944	$	5,320,466		82.0	%