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Long-Term Debt (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Aggregate stated maturities of long-term debt outstanding    
2017 $ 0  
2018 326  
2019 147  
2020 615  
2021 0  
Thereafter 201,371  
Total $ 202,459 $ 148,217