Junior Subordinated Debentures (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Junior Subordinated Debentures	Dec. 31, 2011 Junior Subordinated Debentures	Dec. 31, 2010 Junior Subordinated Debentures	Dec. 31, 2005 Junior Subordinated Debentures
Proceeds Notes issued																			$ 7,732
Interest rate on notes payable																			5.82%
Interest rate description																The debentures currently pay a variable rate of interest based on changes in the hree-month LIBOR plus 1.70%, adjusted quarterly.		Entered into a cash flow hedge to fix the payments of interest (excluding the credit spread) on the debentures for a seven-year period ending September 2017 at a rate of 2.72%. Including teh credit spread, teh net interest due on the notes until September 2017 will be equal to a fixed rate of 4.42%
Net interest rate																4.42%
Interest expense	$ 1,643	$ 1,770	$ 1,799	$ 1,879	$ 2,003	$ 2,228	$ 2,247	$ 2,279	$ 2,466	$ 2,593	$ 2,678	$ 2,829	$ 7,091	$ 8,757	$ 10,566	$ 342	$ 341	$ 420