Senior Notes (Tables)

12 Months Ended

Dec. 31, 2014

Senior Notes [Abstract]

Schedule Of Outstanding Senior Notes

					December 31, 2014				December 31, 2013
					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
4.868% Senior notes	06/05/2014	06/01/2044		400,000		400,000		404,892		-		-

Schedule Of Interest Expense Incurred In Connection With Senior Notes

	Years Ended December 31,
(Dollars in thousands)	2014		2013		2012
Interest expense incurred	$	21,818	$	13,551	$	13,548