Employee Benefit Plans (Schedule Of Changes In The Benefit Obligation, The Plan Assets, The Funded Status Of Pension Plans And Components Of Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	$ 42,530	$ 68,390
Service cost	1,281	1,314	3,335
Interest cost	1,544	1,578	3,454
Actuarial (gain) loss	(5,807)	2,005
Plan amendment (see Note 1)	0	(29,494)
Benefit payments	(1,476)	(1,263)
Benefit obligation at end of year	38,072	42,530	68,390
Change in Plan Assets:
Fair value of plan assets at beginning of year	32,161	27,649
Actual return on plan assets	6,842	3,275
Employer contributions	1,800	2,500
Fair value of plan assets at end of year	39,327	32,161	27,649
Funded (unfunded) status at end of year (included in other assets in 2013 and accounts payable and accrued expenses in 2012)	1,255	(10,369)
Accumulated benefit obligation	37,885	42,178
Net loss recognized in accumulated other comprehensive loss	$ 5,775	$ 17,254