Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data	Sep. 30, 2011	Dec. 31, 2010
Equity:
Preferred stock, par value	$ 0.10	$ 0.10
Preferred stock, shares authorized	1,000	1,000
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	83,333	83,333
Common stock, shares issued	20,728	20,630
Common stock, shares outstanding	20,728	20,630