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Goodwill and Intangibles - Estimated Amortization Expense for the Next Five Fiscal Years (Details)
$ in Thousands
Mar. 31, 2018
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Remainder of 2018 $ 1,111
2018 1,481
2019 968
2020 818
2021 $ 818