Note 15 - Employee Benefit Plans (Detail) - Savings and Profit Sharing Plan (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Profit sharing expense	$ 2,897	$ 859	$ 2,454
Company dividends received by the Profit Sharing Plan	72	72	452
Company shares held by the Profit Sharing Plan at year end:
Number of shares (in Shares)	1,806,262	2,752,521	2,916,152
Fair value	$ 18,297	$ 31,709	$ 31,757