Note 11 - Long-Term Debt (Detail) - Senior and Subordinated Debt (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
5.875% senior notes due in 2016
Total long-term debt	$ 252,153	$ 137,744
5.875 Senior Notes Due 2016 [Member]
5.875% senior notes due in 2016
Principal amount	115,000
Discount	(600)
Total long-term debt	114,400
5.85% Subordinated Notes Due in 2016 [Member]
5.875% senior notes due in 2016
Principal amount	50,500	50,500
Discount	(24)	(29)
Total long-term debt	50,476	50,471
6.95% Junior Subordinated Debentures Due in 2033 [Member] \| 6.95% Junior Subordinated Debentures Due in 2033 [Member]
5.875% senior notes due in 2016
Total long-term debt	87,277	87,273
6.95% Junior Subordinated Debentures Due in 2033 [Member]
5.875% senior notes due in 2016
Principal amount	87,351	87,351
Discount	(74)	(78)
Total long-term debt	$ 252,153	$ 137,744

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References+ Details

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References+ Details

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References+ Details