Securities (Held to Maturity Securities Losses) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	$ 0	$ 0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	3,254	3,296
12 months or longer, Unrealized Losses	(80)	(12)
Total, Fair Value	3,254	3,296
Total, Unrealized Losses	(80)	(12)
Mortgage-Backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	3,254	3,296
12 months or longer, Unrealized Losses	(80)	(12)
Total, Fair Value	3,254	3,296
Total, Unrealized Losses	(80)	(12)
Obligations of States and Political Subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	0	0
Total, Unrealized Losses	$ 0	$ 0