XML 76 R60.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Amortization of Intangible Assets $ 28,861 $ 32,953 $ 23,591
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 20,566    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 18,828    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 18,737    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 16,927    
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 9,671