Employee Benefit Plans Accumulated Other Comprehensive Income Next Fixal Year (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract]
Actuarial loss (gain)	$ 1,015
Pension Plans [Member]
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract]
Actuarial loss (gain)	1,075
Postretirement Benefits [Member]
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract]
Actuarial loss (gain)	$ (60)