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Intangible Assets - Estimated Future Amortization Expense for Intangible Assets (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]  
Total $ 7,138
Gilman  
Business Acquisition [Line Items]  
2016 543
2017 721
2018 721
2019 721
2020 721
Thereafter 2,057
Total $ 5,484