|
Consolidated Balance Sheets [Parenthetical] (USD $)
|
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Securities held-to-maturity, fair value (in dollars) | $ 24,000 | |
| Serial preferred stock, par value (in dollars per share) | $ 1 | $ 1 |
| Serial preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Serial preferred stock, shares issued | 20,000 | 20,000 |
| Serial preferred stock, shares outstanding | 20,000 | 20,000 |
| Serial preferred stock, liquidation preference (in dollars) | $ 22,200,000 | $ 21,400,000 |
| Common stock, par value (in dollars per share) | $ 1 | $ 1 |
| Common stock, shares authorized | 35,000,000 | 35,000,000 |
| Common stock, shares issued | 4,773,100 | 4,749,415 |
| Common stock, shares, outstanding | 4,773,100 | 4,749,415 |