Note 11 - Senior and Subordinated Debt (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Long-term Debt Instruments [Table Text Block]

	December 31,
	2012			2011
5.875% senior notes due in 2016
Principal amount	$	115,000		$	115,000
Discount		(477	)		(600	)
Total senior notes due in 2016		114,523			114,400
5.85% subordinated notes due in 2016
Principal amount		38,500			50,500
Discount		(14	)		(24	)
Total subordinated notes due in 2016		38,486			50,476
6.95% junior subordinated debentures due in 2033
Principal amount		61,820			87,351
Discount		(50	)		(74	)
Total junior subordinated debentures		61,770			87,277
Total senior and subordinated debt	$	214,779		$	252,153