Note 11 - Long-Term Debt (Detail) (USD $)	12 Months Ended
	Dec. 31, 2009	Dec. 31, 2011	Nov. 30, 2011	Dec. 31, 2010	Dec. 31, 2006	Dec. 31, 2003
Debt Instrument, Face Amount			$ 115,000,000		$ 99,900,000
Debt Instrument, Interest Rate, Stated Percentage			5.875%		5.85%
Preferred Stock, Value, Issued				190,882,000		125,000,000
Preferred Stock, Shares Outstanding (in Shares)		0		193,000		3,866
Gains (Losses) on Extinguishment of Debt	15,258,000
Subordinated Debentures [Member]
Debt Conversion, Original Debt, Amount	39,300,000
Discount on Debt Conversion	20.00%
Debt Conversion, Converted Instrument, Shares Issued (in Shares)	3,058,410
Cancelled Debt Percentage	20.00%
Notes [Member]
Debt Conversion, Original Debt, Amount	29,500,000
Discount on Debt Conversion	10.00%
Debt Conversion, Converted Instrument, Shares Issued (in Shares)	2,584,695
Debt Instrument, Decrease, Repayments	20,000,000
Cancelled Debt Percentage	7.00%
Subordinated Debentures for Cash [Member]
Debt Instrument, Decrease, Repayments	$ 1,000,000