Stock-Based Compensation (Narrative) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Stock-Based Compensation [Abstract]
Proceeds from Stock Options Exercised		$ 142
Remaining Life, Years	5 years 9 months 18 days		6 years 1 month 6 days
Average Exercise Price	$ 26.64		$ 26.64
Share Price	$ 28.60	$ 27.82	$ 26.90
Share Based Compensation	40	39
Unrecognized Salaries And Employee Benefits Expense	$ 117