Investment Securities (Continuous Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 16,538	$ 65,944
Less Than 12 Months, Unrealized Losses	156	472
12 Months or More, Fair Value	3,308	819
12 Months or More, Unrealized Losses	2,264	2,318
Total, Fair Value	19,846	66,763
Total, Unrealized Losses	2,420	2,790
U.S Government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	1,499	23,734
Less Than 12 Months, Unrealized Losses	2	96
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total, Fair Value	1,499	23,734
Total, Unrealized Losses	2	96
Mortgage-backed investments
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	11,550	32,280
Less Than 12 Months, Unrealized Losses	124	162
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total, Fair Value	11,550	32,280
Total, Unrealized Losses	124	162
Obligations of states and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	3,489	7,613
Less Than 12 Months, Unrealized Losses	30	80
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total, Fair Value	3,489	7,613
Total, Unrealized Losses	30	80
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	855	819
12 Months or More, Unrealized Losses	2,253	2,318
Total, Fair Value	855	819
Total, Unrealized Losses	2,253	2,318
Other debt securities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	2,317
Less Than 12 Months, Unrealized Losses	0	134
12 Months or More, Fair Value	2,453	0
12 Months or More, Unrealized Losses	11	0
Total, Fair Value	2,453	2,317
Total, Unrealized Losses	$ 11	$ 134