Note 18 - Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

						Weighted-Average		Aggregate
				Weighted-Average		Remaining Contractual		Intrinsic
	Shares			Exercise Price		Life (in years)		Value (in thousands)
Balance, December 31, 2013		2,812,874			31.81		1.9	$	2,119
Exercised		(5,500	)	$	23.37
Forfeited		(474,470	)		29.28
Balance, December 31, 2014		2,332,904			32.34		1.2	$	1,388
Exercised		(214,580	)	$	23.37
Forfeited		(1,087,154	)		35.13
Balance, December 31, 2015		1,031,170			31.27		0.9	$	3,268
Exercised		(327,830	)	$	23.37
Forfeited		(620,670	)		36.50
Balance, December 31, 2016		82,670			23.37		1.1	$	1,211
Exercisable, December 31, 2016		82,670		$	23.37		1.1	$	1,211

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Units
Balance at December 31, 2013		379,458
Granted		135,699
Vested		(122,832	)
Cancelled or forfeited		(5,860	)
Balance at December 31, 2014		386,465
Granted		191,518
Vested		(26,924	)
Cancelled or forfeited		(8,684	)
Balance at December 31, 2015		542,375
Granted		206,372
Vested		(13,780	)
Cancelled or forfeited		(7,548	)
Balance at December 31, 2016		727,419

Schedule Of Tax Benefit Short Fall From Share Based Payment Arrangements [Table Text Block]

	2016		2015			2014
	(In thousands)
Short-fall of tax deductions in excess of grant-date fair value	$	-	$	(5,348	)	$	(1,285	)
Benefit of tax deductions on grant-date fair value		-		6,485			1,292
Total benefit of tax deductions	$	-	$	1,137		$	7