Senior Notes (Tables)

12 Months Ended

Dec. 31, 2013

Senior Notes [Abstract]

Schedule Of Outstanding Senior Notes

					December 31, 2013				December 31, 2012
					Consolidated Balance				Consolidated Balance
(Dollars in thousands)	Date Issued	Date Due	Principal Amounts		Sheet Amount		Market Value		Sheet Amount		Market Value
5.40% Senior notes	10/12/2004	10/15/2014	$	250,000	$	249,958	$	259,130	$	249,907	$	266,390

Schedule Of Interest Expense Incurred In Connection With Senior Notes

	Years Ended December 31,
(Dollars in thousands)	2013		2012		2011
Interest expense incurred	$	13,551	$	13,548	$	13,546