Investment Securities (Held-to-maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 48,883	$ 49,222
Gross Unrealized Gains	452	128
Gross Unrealized Losses	(1,101)	(3,256)
Fair Value	48,234	46,094
States and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,843	3,850
Gross Unrealized Gains	414	91
Gross Unrealized Losses	(6)	(12)
Fair Value	4,251	3,929
Residential mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	37,316	37,536
Gross Unrealized Gains	36	35
Gross Unrealized Losses	(770)	(3,041)
Fair Value	36,582	34,530
Commercial mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	7,724	7,836
Gross Unrealized Gains	2	2
Gross Unrealized Losses	(325)	(203)
Fair Value	$ 7,401	$ 7,635