Note 13 - Income Taxes (Details) - Income Tax Expense (Benefits) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current provision-
Federal	$ 7,755	$ 8,647	$ 3,081
State	2,008	1,917	3,203
	9,763	10,564	6,284
Deferred provision-
Federal	20,470	25,752	27,495
State	1,611	2,412	1,185
	22,081	28,164	28,680
Provision (benefit) for income taxes	$ 31,844	$ 38,728	$ 34,964

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.