Note 20 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
State and Local Net Operating Loss Carryforwards Limited to Shorter Carryforward Periods [Member]
Deferred Tax Assets, Gross	$ 350,600
Deferred Tax Assets, Valuation Allowance	1,400
Not Limited by Section 382 [Member]
Deferred Tax Assets, Operating Loss Carryforwards	33,600
Subject to Federal and State Net Operating Loss Carryforward Limitations [Member]
Deferred Tax Assets, Operating Loss Carryforwards	139,900
Deferred Tax Assets, Operating Loss Carryforwards, Domestic, Before Tax	$ 106,300
Earliest Tax Year [Member]
Open Tax Year	2011
Latest Tax Year [Member]
Open Tax Year	2015
Income Tax Expense (Benefit)	$ 42,543	$ 16,891
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	115,204	$ 48,496
Gross Annual Deduction Limitation on Net Operating Loss Carryforwards	15,600
Deferred Tax Assets, Other	210,700
Unrecognized Tax Benefits	$ 12,700		$ 10,600