Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Fair value, Less than 12 Months	$ 17,420
Unrealized Losses, Less than 12 Months	36
Fair Value, More than 12 Months	0
Unrealized Losses, More than 12 Months	0
Total Fair Value	17,420
Total Unrealized Losses	36
US Government Corporations and Agencies Securities [Member]
Fair value, Less than 12 Months	3,999
Unrealized Losses, Less than 12 Months	1
Fair Value, More than 12 Months	0
Unrealized Losses, More than 12 Months	0
Total Fair Value	3,999
Total Unrealized Losses	1
Collateralized Mortgage Backed Securities [Member]
Fair value, Less than 12 Months	13,421
Unrealized Losses, Less than 12 Months	35
Fair Value, More than 12 Months	0
Unrealized Losses, More than 12 Months	0
Total Fair Value	13,421
Total Unrealized Losses	$ 35