Investment Securities (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Pooled Trust Preferred Securities [Member]	Dec. 31, 2011 Pooled Trust Preferred Securities [Member]
Investment [Line Items]
Fair value of investments reported at less than historical cost	$ 123,000,000		$ 147,800,000
Percentage of Bank portfolio	45.70%		55.90%
Securities pledged as collateral	2,000,000		2,100,000
Proceeds from sales of securities - available for sale	15,508,000	17,429,000
Gross realized gain on sale of securities	315,000	339,000
Gross realized losses on sale of securities	165,000	0
Current par balance				8,200,000
Original Par				$ 8,000,000	$ 10,300,000
Percentage of recovery estimate depository institutions	10.00%
Percentage of recovery estimate insurance companies	15.00%