Securities (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($) security	Sep. 30, 2015 USD ($) security	Sep. 30, 2014 USD ($) security
Investment Securities [Line Items]
Net gains on sales/call of securities | $	$ 12,000	$ 26,000	$ 428,000	$ 37,000
Number of securities called		0		0
Number of securities, type			2
Securities pledged to secure public deposits and other | $	649,500,000		$ 649,500,000
Mortgage Backed Securities, Other [Member]
Investment Securities [Line Items]
Number of securities, type			4
Collateralized mortgage obligations [Member]
Investment Securities [Line Items]
Number of securities, type			18
Government Agency Debentures [Member]
Investment Securities [Line Items]
Number of securities, type			9
Amortizing Securities, Returned At Least 85% of Principal [Member]
Investment Securities [Line Items]
Held-to-maturity securities, sold security, at carrying value | $	1,300,000	$ 603,000	$ 1,300,000	$ 603,000
Municipal Bonds [Member]
Investment Securities [Line Items]
Number of securities, type			6
Available-for-sale Securities [Member]
Investment Securities [Line Items]
Net gains on sales/call of securities | $		$ 26,000	$ 278,000	$ 26,000
Number of securities sold		1	9	1
Proceeds from sale of securities | $		$ 10,700,000	$ 71,700,000	$ 10,700,000
Held-to-maturity Securities [Member]
Investment Securities [Line Items]
Net gains on sales/call of securities | $			$ 138,000	$ 11,000
Held-to-maturity Securities [Member] | Amortizing Securities, Returned At Least 85% of Principal [Member]
Investment Securities [Line Items]
Number of securities sold			1	1
Investment securities, return on principal, percentage (at least)			85.00%	85.00%
Held-to-maturity Securities [Member] | Government Agency Debentures [Member]
Investment Securities [Line Items]
Investment securities, value called by issuing agency | $	10,000,000		$ 10,000,000
Net gains on sales/call of securities | $	$ 12,000		$ 12,000