Securities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014 security	Sep. 30, 2013	Sep. 30, 2014 security security_type	Sep. 30, 2013 security
Investment Securities [Line Items]
Number of securities sold	1		2	21
Proceeds from sale of securities	$ 10,700,000		$ 11,300,000	$ 89,900,000
Net gains on sales/calls of securities	26,000	0	37,000	21,000
Number of securities, type			2
Securities pledged to secure public deposits and other	666,100,000		666,100,000
Held-to-maturity Securities [Member]
Investment Securities [Line Items]
Number of securities sold				5
Mortgage Backed Securities, Other [Member]
Investment Securities [Line Items]
Number of securities, type			11
Collateralized mortgage obligations [Member]
Investment Securities [Line Items]
Number of securities, type			43
Government Agency Debentures [Member]
Investment Securities [Line Items]
Number of securities, type			11
Bonds [Member] | Held-to-maturity Securities [Member]
Investment Securities [Line Items]
Number of securities sold				1
Agency Debentures [Member]
Investment Securities [Line Items]
Number of securities called	0	0	0
Investment securities, value called by issuing agency				$ 50,000,000
Amortizing Securities, Returned At Least 85% of Principal [Member] | Held-to-maturity Securities [Member]
Investment Securities [Line Items]
Number of securities sold				4
Investment securities, return on principal, percentage (at least)			85.00%	85.00%
Municipal Bonds [Member]
Investment Securities [Line Items]
Number of securities, type			9