Stock Incentive Plan Compensation Cost (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 339	$ 227	$ 144
Income Tax Expense (Benefit)	(118)	(79)	(33)
Allocated Share-based Compensation Expense, Net of Tax	221	148	111
Stock Unit Awards and Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	339	210	92
Income Tax Expense (Benefit)	(118)	(73)	(32)
Allocated Share-based Compensation Expense, Net of Tax	221	137	60
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	0	17	52
Income Tax Expense (Benefit)	0	(6)	(1)
Allocated Share-based Compensation Expense, Net of Tax	$ 0	$ 11	$ 51
Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of Awards Issued	50.00%
Stock Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of Awards Issued	50.00%