Securities (Investments' Gross Unrealized Losses and Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014 security	Dec. 31, 2013
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	$ 70,440	$ 107,091
Less than 12 Months, Unrealized Losses	(1,787)	(3,984)
12 Months or More, Fair Value	22,898	12,638
12 Months or More, Unrealized Losses	(1,233)	(821)
Total, Fair Value	93,338	119,729
Total, Unrealized Losses	(3,020)	(4,805)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year	24
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year	80
Impairment of Investments	0
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	23,010	32,481
Less than 12 Months, Unrealized Losses	(622)	(990)
12 Months or More, Fair Value	947	932
12 Months or More, Unrealized Losses	(53)	(68)
Total, Fair Value	23,957	33,413
Total, Unrealized Losses	(675)	(1,058)
States and political subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	15,113	26,281
Less than 12 Months, Unrealized Losses	(506)	(1,415)
12 Months or More, Fair Value	5,406	4,228
12 Months or More, Unrealized Losses	(327)	(379)
Total, Fair Value	20,519	30,509
Total, Unrealized Losses	(833)	(1,794)
Corporate obligations [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	1,151	1,145
Less than 12 Months, Unrealized Losses	(27)	(40)
Total, Fair Value	1,151	1,145
Total, Unrealized Losses	(27)	(40)
Mortgage-backed securities-government sponsored entities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	31,166	47,014
Less than 12 Months, Unrealized Losses	(632)	(1,524)
12 Months or More, Fair Value	16,545	7,478
12 Months or More, Unrealized Losses	(853)	(374)
Total, Fair Value	47,711	54,492
Total, Unrealized Losses	(1,485)	(1,898)
Equity securities-financial services [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value		170
Less than 12 Months, Unrealized Losses		(15)
Total, Fair Value		170
Total, Unrealized Losses		$ (15)