Note 6 - Goodwill and Other Intangible Assets, Net Schedule of Future Amortization Expense for Finite Lived Assets (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 2,754
Finite-Lived Intangible Assets, Amortization Expense, Year Two	10,316
Finite-Lived Intangible Assets, Amortization Expense, Year Three	8,790
Finite-Lived Intangible Assets, Amortization Expense, Year Four	7,412
Finite-Lived Intangible Assets, Amortization Expense, Year Five	5,834
Finite-Lived Intangible Assets, Amortization Expense, Year Five	5,081
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	15,858
Finite-Lived Intangible Assets, Net	$ 56,045
Finite-Lived Intangible Assets, Remaining Amortization Period	15 years