Quarterly report pursuant to Section 13 or 15(d)

Other Intangible Asset - Estimated Amortization Expense (Details)

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Other Intangible Asset - Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Other Intangible Assets    
Intangibles amortization $ 2,871 $ 2,749
Estimated amortization expense for the next five years    
2018 8,607  
2019 10,954  
2020 10,932  
2021 10,670  
2022 10,520  
2023 $ 10,520