Securities - Securities With Unrealized Losses (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	$ 5,552	$ 7,974
Less than Twelve Months, Unrealized Loss	37	97
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value	5,552	7,974
Total, Unrealized Loss	37	97
Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	1,342	1,673
Less than Twelve Months, Unrealized Loss	4	13
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value	1,342	1,673
Total, Unrealized Loss	4	13
Corporate Debt [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	2,273	4,365
Less than Twelve Months, Unrealized Loss	21	64
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value	2,273	4,365
Total, Unrealized Loss	21	64
State and Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	1,937	1,936
Less than Twelve Months, Unrealized Loss	12	20
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value	1,937	1,936
Total, Unrealized Loss	$ 12	$ 20