Pension and Other Postretirement Benefit Plans Accumulated Other Comprehensive Income (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax	$ (55,000)	$ (616,000)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Transition Assets (Obligations), before Tax	131,000	195,000
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	(8,702,000)	(7,992,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8,626,000)	(8,413,000)
Defined Benefit Plan, Amortization of Net Transition Asset (Obligation)	100,000
Defined Benefit Plan, Amortization of Net Gains (Losses)	$ 500,000