AFS Securities (Activity related to sales of AFS securities) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Summary of the activity related to sales of available-for-sale securities      
Proceeds from sales of AFS of securities $ 16,229 $ 40,677 $ 8,877
Gross realized gains (losses) 171 1,119 3
Applicable income tax expense $ 58 $ 380 $ 1