Note 14 - Stock-Based Compensation (Detail) - Stock Option Activity (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Outstanding at beginning of year	274	1,564	5,776
Outstanding at beginning of year (in Dollars per share)	$ 17.25	$ 19.82	$ 18.04
Exercised	0	0	(213)
Exercised (in Dollars per share)	$ 0	$ 0	$ 6.57
Forfeited	(43)	(1,290)	(3,999)
Forfeited (in Dollars per share)	$ 20.67	$ 20.36	$ 17.96
Outstanding at end of year	231	274	1,564
Outstanding at end of year (in Dollars per share)	$ 16.62	$ 17.25	$ 19.82
Exercisable at end of year	231	274	1,543
Exercisable at end of year (in Dollars per share)	$ 16.62	$ 17.25	$ 20.01