Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value	$ 4,569
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Aggregate Losses	4
Available-For-Sale Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value	0
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Aggregate Losses	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,569
Available-For-Sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	4
Us Government Corporations and Agencies Securities [Member]
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value	2,998
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Aggregate Losses	2
Available-For-Sale Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value	0
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Aggregate Losses	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,998
Available-For-Sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	2
Collateralized Mortgage Backed Securities [Member]
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value	1,571
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Aggregate Losses	2
Available-For-Sale Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value	0
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Aggregate Losses	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,571
Available-For-Sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ 2