Senior Notes (Tables)

6 Months Ended

Jun. 30, 2016

Senior Notes [Abstract]

Schedule Of Outstanding Senior Notes

June 30, 2016

December 31, 2015

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Date Due

Principal Amounts

Sheet Amount

Market Value

Sheet Amount

Market Value

4.868% Senior notes

06/05/2014

06/01/2044

400,000

$

396,654

$

404,096

$

396,594

$

381,204

Schedule Of Interest Expense Incurred In Connection With Senior Notes

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars in thousands)	2016		2015		2016		2015
Interest expense incurred	$	4,868	$	4,868	$	9,736	$	9,736