Loans Receivable (Details 8) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts
Post-Modification Outstanding Recorded Investment
Commercial Real Estate [Member]
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts	1	3
Pre-Modification Outstanding Recorded Investment	100	7,368
Post-Modification Outstanding Recorded Investment	100	7,528
Consumer [Member]
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment
Residential Construction Loans [Member]
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts	3
Pre-Modification Outstanding Recorded Investment	947
Post-Modification Outstanding Recorded Investment	947
Commercial Real Estate [Member]
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment
Subsequently Defaulted [Member]
Summary of information relating to troubled debt restructuring by class of loans
Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment