Reinsurance (Tables)

6 Months Ended

Jun. 30, 2016

Reinsurance Disclosures [Abstract]

Schedule of List Of Direct, Assumed, And Ceded Reinsurance Amounts

	Quarter ended June 30,					Six Months ended June 30,
($ in thousands)	2016			2015		2016			2015
Premiums written:
Direct	$	665,862		621,408		$	1,312,140		1,220,191
Assumed	7,788			4,960		14,108			11,041
Ceded	(95,510		)	(94,235	)	(182,749		)	(181,011	)
Net	$	578,140		532,133		$	1,143,499		1,050,221
Premiums earned:
Direct	$	612,406		576,107		$	1,219,067		1,138,149
Assumed	7,171			5,093		13,441			11,001
Ceded	(87,645		)	(90,891	)	(178,118		)	(182,718	)
Net	$	531,932		490,309		$	1,054,390		966,432
Loss and loss expense incurred:
Direct	$	362,064		316,648		$	723,703		628,894
Assumed	6,140			4,228		12,495			8,890
Ceded	(69,725		)	(29,315	)	(140,575		)	(61,224	)
Net	$	298,479		291,561		$	595,623		576,560

Schedule of Ceded Premiums and Losses Related to Flood Operations

Ceded premiums and losses related to our participation in the NFIP, under which 100% of our flood premiums, losses, and loss expenses are ceded to the NFIP, are as follows:

Ceded to NFIP	Quarter ended June 30,					Six Months ended June 30,
($ in thousands)	2016			2015		2016			2015
Ceded premiums written	$	(63,906	)	(62,479	)	$	(117,154	)	(116,321	)
Ceded premiums earned	(56,667		)	(58,781	)	(113,481		)	(117,779	)
Ceded loss and loss expense incurred	(24,261		)	(14,684	)	(64,979		)	(20,933	)