Share-Based Compensation Plan Schedule of options outstanding and exercisable (Details) (USD $)					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 39.40 [Member]	Dec. 31, 2013 14.00 [Member]	Dec. 31, 2013 14.00 [Member]	Dec. 31, 2013 $14.00-$39.40 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices (in dollars per share)	$ 15.30	$ 17.32	$ 20.40	$ 20.18	$ 39.40	$ 14.00	$ 14.00
Range of Exercise Prices, Lower range limit (in dollars per share)								$ 14.00
Range of Exercise Prices, Upper range limit (in dollars per share)								$ 39.40
Options Outstanding (in shares)	58,513	82,171	160,171	165,915	3,000	50,513	5,000	58,513.000
Remaining Contractual Life					0 years 0 months 18 days	5 years 2 months 12 days	5 years 10 months 2 days	4 years 11 months 26 days
Options Exercisable (in shares)	58,513	82,171	130,086		3,000	50,513	5,000	58,513.000