Employee Benefit Plans (Schedule of the Pre-tax amounts in Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan [Member]
Prior service cost	$ 8	$ 16
Net actuarial loss	11,471	26,385
Total	11,479	26,401
Supplemental Executive Retirement Plan [Member]
Prior service cost
Net actuarial loss	3,075	4,304
Total	$ 3,075	$ 4,304