Fair Value Disclosures (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Fair Value Disclosures
Impaired loans	$ 5,193	$ 6,991	$ 19,885
Other real estate owned	9,339	1,231	4,447
Non-recurring basis | Fair Value Measurement Using: Level 2
Fair Value Disclosures
Impaired loans	5,193		19,885
Loans held for sale	2,401
Other real estate owned	9,339		4,447
Total assets	16,933		24,332
Non-recurring basis | Assets at Fair Value
Fair Value Disclosures
Impaired loans	5,193		19,885
Loans held for sale	2,401
Other real estate owned	9,339		4,447
Total assets	$ 16,933		$ 24,332