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Note 6 - Goodwill and Other Intangible Assets (Details) - Amortization Expense
$ in Thousands
Dec. 31, 2015
USD ($)
Amortization Expense [Abstract]  
2016 $ 5,815
2017 5,815
2018 5,711
2019 5,401
2020 5,389
Thereafter 25,106
Total $ 53,237