Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
STOCKHOLDERS' EQUITY
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	4,000,000	4,000,000
Preferred stock, shares issued (in shares)	0	7,750
Preferred stock, shares outstanding (in shares)	0	7,750
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	6,000,000	6,000,000
Common stock, shares issued (in shares)	4,918,136	4,789,023
Common stock, shares outstanding (in shares)	4,853,136	4,724,023
Treasury stock (in shares)	65,000	65,000
Accumulated other comprehensive income, tax	$ 1,735,307	$ 548,730