Investment Securities (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014 security	Mar. 31, 2013	Dec. 31, 2013 security
Schedule of Investments [Line Items]
Available-for-sale Securities Pledged as Collateral	$ 114,365		$ 114,600
Available-for-sale Securities, Gross Realized Gains	150	0
Available-for-sale Securities, Gross Realized Losses	$ 0	$ 0
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	85		120
Available-for-sale, Securities in Unrealized Loss Positions, Depreciation Percentage	3.22%		4.59%
Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	84		119
Equity securities [Member]
Schedule of Investments [Line Items]
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1		1