Employee Benefits Plans (Details) - Amount recognized in accumulated other comprehensive income (loss) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Supplemental Employee Retirement Plan, Defined Benefit [Member]
Employee Benefits Plans (Details) - Amount recognized in accumulated other comprehensive income (loss) [Line Items]
Net loss (gain)	$ 565	$ 773
Prior service cost (credit)
Total	565	773
Other Pension Plan, Postretirement or Supplemental Plans, Defined Benefit [Member]
Employee Benefits Plans (Details) - Amount recognized in accumulated other comprehensive income (loss) [Line Items]
Net loss (gain)	(167)	118
Prior service cost (credit)	(246)	(414)
Total	$ (413)	$ (296)