Investment Securities (Continuous Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 50,699	$ 30,359
Less Than 12 Months, Unrealized Losses	611	254
12 Months or More, Fair Value	1,280	1,826
12 Months or More, Unrealized Losses	2,158	2,163
Total, Fair Value	51,979	32,185
Total, Unrealized Losses	2,769	2,417
U.S Government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	7,956	5,478
Less Than 12 Months, Unrealized Losses	42	23
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total, Fair Value	7,956	5,478
Total, Unrealized Losses	42	23
Mortgage-backed investments
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	25,397	13,866
Less Than 12 Months, Unrealized Losses	143	77
12 Months or More, Fair Value	0	880
12 Months or More, Unrealized Losses	0	1
Total, Fair Value	25,397	14,746
Total, Unrealized Losses	143	78
Obligations of states and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	16,089	11,015
Less Than 12 Months, Unrealized Losses	410	154
12 Months or More, Fair Value	324	0
12 Months or More, Unrealized Losses	6	0
Total, Fair Value	16,413	11,015
Total, Unrealized Losses	416	154
Collateralized debt obligations
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	0
Less Than 12 Months, Unrealized Losses	0	0
12 Months or More, Fair Value	956	946
12 Months or More, Unrealized Losses	2,152	2,162
Total, Fair Value	956	946
Total, Unrealized Losses	2,152	2,162
Other debt securities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	1,257	0
Less Than 12 Months, Unrealized Losses	16	0
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total, Fair Value	1,257	0
Total, Unrealized Losses	$ 16	$ 0