Statements of Cash Flow (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

($ in thousands)	2014		2013	2012
Cash paid during the period for:
Interest	$	22,221	21,465	18,779
Federal income tax	22,699		20,000	6,421
Non-cash items:
Tax-free exchange of fixed income securities, AFS	$	20,781	37,965	18,942
Tax-free exchange of fixed income securities, HTM	4,289		15,820	25,168
Stock split related to equity securities, AFS	334		—	—
Assets acquired under capital lease arrangements	5,642		2,583	2,091
Non-cash purchase of property and equipment	338		20	—