Note 7 - Goodwill and Other Acquired Intangible Assets, Net Schedule of Finite Lived Assets Future Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 8,600	$ 12,400	$ 11,800
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	3,880
Finite-Lived Intangible Assets, Amortization Expense, Year Two	3,516
Finite-Lived Intangible Assets, Amortization Expense, Year Three	3,463
Finite-Lived Intangible Assets, Amortization Expense, Year Four	3,428
Finite-Lived Intangible Assets, Amortization Expense, Year Five	3,343
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	755
Finite-Lived Intangible Assets, Net	$ 18,385