Postretirement Benefits (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Postretirement Benefits [Abstract]
Employer Contribution To Post Retirement Medical Benefit		$ 1,000
Post Retirement Benefit Contribution For Office Space Current Year	200,000	200,000
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year		7.60%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		4.50%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		3.50%	4.50%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate		4.50%	5.25%	6.10%
Defined Benefit Plan, Increase (Decrease) In Assumed Health Care Cost Trend Rates		1.00%
Defined Benefit Plan Effect Of One Percentage Point Increase Decrease On Service And Interest Cost Components		0
Effect Of One Percentage Point Increase Decrease On Accumulated Postretirement Benefit Obligation		$ 100,000