Employee Benefit Plans (Schedule of Changes in Benefit Obligation and Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Executive Retirement Plan [Member]
Benefit obligations:
Beginning of year	$ 10,346	$ 8,868
Service cost	326	269	232
Interest cost	377	408	431
Actuarial loss	(579)	1,334
Benefits paid	(543)	(533)
End of year	9,927	10,346	8,868
Fair value of plan assets:
Beginning of year
Employer contributions	543	533
Benefits paid	(543)	(533)
End of year
Funded status at end of year, included in other liabilities	9,927	10,346
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	1,539	2,061
Prior service cost	29	41
Total	1,568	2,102
Other Postretirement Benefit Plan [Member]
Benefit obligations:
Beginning of year	3,536	3,187
Service cost	42	70	65
Interest cost	173	148	150
Actuarial loss	(538)	275
Benefits paid	(119)	(144)
End of year	3,094	3,536	3,187
Fair value of plan assets:
Beginning of year
Employer contributions	119	144
Benefits paid	(119)	(144)
End of year
Funded status at end of year, included in other liabilities	3,094	3,536
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	458	639
Prior service cost	(185)
Total	$ 273	$ 639